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garydgregory pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/commons-xml.git

commit 4881e0270a8ea1a88a391982e453862f6d171c95
Author: Gary Gregory <[email protected]>
AuthorDate: Sun Aug 30 11:40:52 2026 -0400

    Use imports instead of FQCNs in tests.
---
 .../commons/xml/AssociatedStylesheetTest.java      |  4 +-
 .../commons/xml/EntityResolverFloorTest.java       |  4 +-
 .../org/apache/commons/xml/ExternalDtdTest.java    |  5 +-
 .../commons/xml/ExternalGeneralEntityTest.java     |  5 +-
 .../commons/xml/ExternalParameterEntityTest.java   |  5 +-
 .../xml/FallbackIgnoreEntityResolver2Test.java     |  8 ++--
 .../xml/FallbackIgnoreLSResourceResolverTest.java  | 12 +++--
 .../commons/xml/FallbackIgnoreURIResolverTest.java | 12 +++--
 .../commons/xml/FallbackIgnoreXMLResolverTest.java |  7 ++-
 .../org/apache/commons/xml/SaxonProviderTest.java  | 46 +++++++++++--------
 .../commons/xml/SaxonXPathExternalCallsTest.java   |  4 +-
 .../commons/xml/SchemaFactoryLanguageTest.java     |  4 +-
 .../commons/xml/SecureSAXParserFactoryTest.java    |  4 +-
 .../apache/commons/xml/SecureSAXParserTest.java    | 53 +++++++++++++---------
 .../commons/xml/SecureSchemaFactoryTest.java       | 28 ++++++++----
 .../apache/commons/xml/SecureTemplatesTest.java    |  9 ++--
 .../commons/xml/SecureTransformerFactoryTest.java  | 27 +++++++----
 .../commons/xml/SecureTransformerHandlerTest.java  |  4 +-
 .../apache/commons/xml/SecureTransformerTest.java  | 11 +++--
 .../commons/xml/SecureValidatorHandlerTest.java    |  4 +-
 .../apache/commons/xml/SecureValidatorTest.java    | 36 +++++++++------
 .../apache/commons/xml/SecureXMLFilterTest.java    | 34 ++++++++------
 .../apache/commons/xml/SecureXMLReaderTest.java    | 12 +++--
 .../commons/xml/SecureXPathExpressionTest.java     |  7 ++-
 .../apache/commons/xml/SecureXPathFactoryTest.java | 28 +++++++-----
 .../org/apache/commons/xml/SecureXPathTest.java    | 33 +++++++++-----
 .../apache/commons/xml/XPathInputSourceTest.java   |  4 +-
 27 files changed, 264 insertions(+), 146 deletions(-)

diff --git a/src/test/java/org/apache/commons/xml/AssociatedStylesheetTest.java 
b/src/test/java/org/apache/commons/xml/AssociatedStylesheetTest.java
index 3936db1..8467611 100644
--- a/src/test/java/org/apache/commons/xml/AssociatedStylesheetTest.java
+++ b/src/test/java/org/apache/commons/xml/AssociatedStylesheetTest.java
@@ -29,11 +29,13 @@
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.transform.sax.SAXSource;
+
 /**
  * Checks that {@code getAssociatedStylesheet} scans for {@code 
xml-stylesheet} PIs without fetching an external DTD declared in the document 
prolog.
  *
  * <p>The PI scan parses the prolog, where a {@code DOCTYPE} with an external 
subset is processed before the root element. On Apache Xalan the scan runs on a
- * reader the engine provisions itself, ignoring a secure reader passed in a 
{@link javax.xml.transform.sax.SAXSource} (XALANJ-2849); the wrapper works 
around
+ * reader the engine provisions itself, ignoring a secure reader passed in a 
{@link SAXSource} (XALANJ-2849); the wrapper works around
  * that by handing Xalan a {@code DOMSource} it pre-parsed through a secure 
{@code DocumentBuilder}. The JDK's XSLTC honors the secure reader directly. 
Either
  * way the external DTD resolves to empty instead of being fetched. Tagged 
{@code trax}, so it runs on the stock JDK, Apache Xalan, Saxon, and the Android
  * runtime.</p>
diff --git a/src/test/java/org/apache/commons/xml/EntityResolverFloorTest.java 
b/src/test/java/org/apache/commons/xml/EntityResolverFloorTest.java
index 44b5bfb..6005d9a 100644
--- a/src/test/java/org/apache/commons/xml/EntityResolverFloorTest.java
+++ b/src/test/java/org/apache/commons/xml/EntityResolverFloorTest.java
@@ -53,6 +53,8 @@
 import org.xml.sax.SAXException;
 import org.xml.sax.XMLReader;
 
+import java.io.IOException;
+
 /**
  * Checks that a caller-supplied resolver cannot remove the secure ignore-all 
floor on any factory.
  *
@@ -96,7 +98,7 @@ class EntityResolverFloorTest {
         }
         try {
             return new URL(systemID).openStream();
-        } catch (final java.io.IOException e) {
+        } catch (final IOException e) {
             throw new XMLStreamException(e);
         }
     };
diff --git a/src/test/java/org/apache/commons/xml/ExternalDtdTest.java 
b/src/test/java/org/apache/commons/xml/ExternalDtdTest.java
index ce3acbe..f500087 100644
--- a/src/test/java/org/apache/commons/xml/ExternalDtdTest.java
+++ b/src/test/java/org/apache/commons/xml/ExternalDtdTest.java
@@ -21,6 +21,9 @@
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.transform.Source;
+import javax.xml.validation.Validator;
+
 /**
  * Checks whether parsers can pull in an external DTD declared via {@code 
<!DOCTYPE root SYSTEM "...">}.
  *
@@ -36,7 +39,7 @@
  * <ul>
  *   <li>DOM, SAX and StAX direct XML parsing.</li>
  *   <li>{@code SchemaFactory.newSchema(Source)} compilation of an XSD whose 
source has the DOCTYPE.</li>
- *   <li>{@link 
javax.xml.validation.Validator#validate(javax.xml.transform.Source)} of an 
instance whose source has the DOCTYPE.</li>
+ *   <li>{@link Validator#validate(Source)} of an instance whose source has 
the DOCTYPE.</li>
  *   <li>Identity {@code Transformer} reading the input XML.</li>
  *   <li>{@code TransformerFactory.newTransformer(Source)} compilation of a 
stylesheet whose source has the DOCTYPE.</li>
  * </ul>
diff --git 
a/src/test/java/org/apache/commons/xml/ExternalGeneralEntityTest.java 
b/src/test/java/org/apache/commons/xml/ExternalGeneralEntityTest.java
index 3fec8dc..f5f74c9 100644
--- a/src/test/java/org/apache/commons/xml/ExternalGeneralEntityTest.java
+++ b/src/test/java/org/apache/commons/xml/ExternalGeneralEntityTest.java
@@ -21,6 +21,9 @@
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.transform.Source;
+import javax.xml.validation.Validator;
+
 /**
  * Checks whether parsers can pull in an external general entity declared 
inline in the internal subset.
  *
@@ -35,7 +38,7 @@
  * <ul>
  *   <li>DOM, SAX and StAX direct XML parsing.</li>
  *   <li>{@code SchemaFactory.newSchema(Source)} compilation of an XSD whose 
source has the entity-bearing DOCTYPE.</li>
- *   <li>{@link 
javax.xml.validation.Validator#validate(javax.xml.transform.Source)} of an 
instance whose source has the entity-bearing DOCTYPE.</li>
+ *   <li>{@link Validator#validate(Source)} of an instance whose source has 
the entity-bearing DOCTYPE.</li>
  *   <li>Identity {@code Transformer} reading the input XML.</li>
  *   <li>{@code TransformerFactory.newTransformer(Source)} compilation of a 
stylesheet whose source has the entity-bearing DOCTYPE.</li>
  * </ul>
diff --git 
a/src/test/java/org/apache/commons/xml/ExternalParameterEntityTest.java 
b/src/test/java/org/apache/commons/xml/ExternalParameterEntityTest.java
index 846c1f6..5cc684b 100644
--- a/src/test/java/org/apache/commons/xml/ExternalParameterEntityTest.java
+++ b/src/test/java/org/apache/commons/xml/ExternalParameterEntityTest.java
@@ -31,6 +31,9 @@
 import org.xml.sax.XMLReader;
 import org.xml.sax.helpers.DefaultHandler;
 
+import javax.xml.transform.Source;
+import javax.xml.validation.Validator;
+
 /**
  * Checks whether parsers can pull in an external DTD via a parameter-entity 
reference inside the internal subset.
  *
@@ -48,7 +51,7 @@
  * <ul>
  *   <li>DOM, SAX and StAX direct XML parsing.</li>
  *   <li>{@code SchemaFactory.newSchema(Source)} compilation of an XSD whose 
source has the parameter-entity DOCTYPE.</li>
- *   <li>{@link 
javax.xml.validation.Validator#validate(javax.xml.transform.Source)} of an 
instance whose source has the parameter-entity DOCTYPE.</li>
+ *   <li>{@link Validator#validate(Source)} of an instance whose source has 
the parameter-entity DOCTYPE.</li>
  *   <li>Identity {@code Transformer} reading the input XML.</li>
  *   <li>{@code TransformerFactory.newTransformer(Source)} compilation of a 
stylesheet whose source has the parameter-entity DOCTYPE.</li>
  * </ul>
diff --git 
a/src/test/java/org/apache/commons/xml/FallbackIgnoreEntityResolver2Test.java 
b/src/test/java/org/apache/commons/xml/FallbackIgnoreEntityResolver2Test.java
index a86d03d..5f0e80f 100644
--- 
a/src/test/java/org/apache/commons/xml/FallbackIgnoreEntityResolver2Test.java
+++ 
b/src/test/java/org/apache/commons/xml/FallbackIgnoreEntityResolver2Test.java
@@ -28,6 +28,8 @@
 import org.xml.sax.ext.DefaultHandler2;
 import org.xml.sax.ext.EntityResolver2;
 
+import org.xml.sax.SAXException;
+
 class FallbackIgnoreEntityResolver2Test {
 
     @Test
@@ -36,14 +38,14 @@ void resolvesDelegatesAndAllFallbackPaths() throws 
Exception {
         assertEquals("https://example.test/base/entity.dtd";, 
floor.resolveEntity("name", "public", "https://example.test/base/";, 
"entity.dtd").getSystemId());
         assertEquals("entity.dtd", floor.resolveEntity("name", "public", "not 
a URI", "entity.dtd").getSystemId());
         assertNotNull(floor.resolveEntity("public", null));
-        final InputSource expected = new org.xml.sax.InputSource();
+        final InputSource expected = new InputSource();
         final EntityResolver plain = (publicId, systemId) -> expected;
         floor.setDelegate(plain);
         assertSame(expected, floor.resolveEntity("name", "public", 
"https://example.test/base/";, "entity.dtd"));
         final EntityResolver2 extended = new DefaultHandler2() {
 
             @Override
-            public org.xml.sax.InputSource resolveEntity(final String name, 
final String publicId, final String base, final String system) {
+            public InputSource resolveEntity(final String name, final String 
publicId, final String base, final String system) {
                 return expected;
             }
         };
@@ -52,7 +54,7 @@ public org.xml.sax.InputSource resolveEntity(final String 
name, final String pub
         floor.setDelegate(null);
         System.setProperty(SecureException.THROW_ON_UNRESOLVED, "true");
         try {
-            assertThrows(org.xml.sax.SAXException.class, () -> 
floor.resolveEntity("p", "s"));
+            assertThrows(SAXException.class, () -> floor.resolveEntity("p", 
"s"));
         } finally {
             System.clearProperty(SecureException.THROW_ON_UNRESOLVED);
         }
diff --git 
a/src/test/java/org/apache/commons/xml/FallbackIgnoreLSResourceResolverTest.java
 
b/src/test/java/org/apache/commons/xml/FallbackIgnoreLSResourceResolverTest.java
index 9c76314..2df0487 100644
--- 
a/src/test/java/org/apache/commons/xml/FallbackIgnoreLSResourceResolverTest.java
+++ 
b/src/test/java/org/apache/commons/xml/FallbackIgnoreLSResourceResolverTest.java
@@ -22,24 +22,28 @@
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import org.junit.jupiter.api.Test;
 
+import org.w3c.dom.ls.LSException;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSResourceResolver;
+
 class FallbackIgnoreLSResourceResolverTest {
 
     @Test
     void coversDelegateFallbackAndDenyBranches() {
         final FallbackIgnoreLSResourceResolver resolver = new 
FallbackIgnoreLSResourceResolver(null);
-        final org.w3c.dom.ls.LSInput fallback = resolver.resolveResource("t", 
"n", "p", "s", "b");
+        final LSInput fallback = resolver.resolveResource("t", "n", "p", "s", 
"b");
         assertEquals("p", fallback.getPublicId());
         assertEquals("s", fallback.getSystemId());
         assertEquals("b", fallback.getBaseURI());
-        final org.w3c.dom.ls.LSInput expected = fallback;
-        final org.w3c.dom.ls.LSResourceResolver delegate = (type, namespace, 
publicId, systemId, base) -> expected;
+        final LSInput expected = fallback;
+        final LSResourceResolver delegate = (type, namespace, publicId, 
systemId, base) -> expected;
         resolver.setDelegate(delegate);
         assertSame(delegate, resolver.getDelegate());
         assertSame(expected, resolver.resolveResource("t", "n", "p", "s", 
"b"));
         resolver.setDelegate(null);
         System.setProperty(SecureException.THROW_ON_UNRESOLVED, "true");
         try {
-            assertThrows(org.w3c.dom.ls.LSException.class, () -> 
resolver.resolveResource("t", "n", "p", "s", "b"));
+            assertThrows(LSException.class, () -> 
resolver.resolveResource("t", "n", "p", "s", "b"));
         } finally {
             System.clearProperty(SecureException.THROW_ON_UNRESOLVED);
         }
diff --git 
a/src/test/java/org/apache/commons/xml/FallbackIgnoreURIResolverTest.java 
b/src/test/java/org/apache/commons/xml/FallbackIgnoreURIResolverTest.java
index 2d156d8..d150f60 100644
--- a/src/test/java/org/apache/commons/xml/FallbackIgnoreURIResolverTest.java
+++ b/src/test/java/org/apache/commons/xml/FallbackIgnoreURIResolverTest.java
@@ -21,22 +21,26 @@
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.URIResolver;
+import javax.xml.transform.dom.DOMSource;
+
 class FallbackIgnoreURIResolverTest {
 
     @Test
     void resolvesDelegatedAndFallbackSources() throws Exception {
-        final javax.xml.transform.dom.DOMSource empty = new 
javax.xml.transform.dom.DOMSource();
+        final DOMSource empty = new DOMSource();
         final FallbackIgnoreURIResolver resolver = new 
FallbackIgnoreURIResolver(null, () -> empty, () -> false);
         assertSame(empty, resolver.resolve("href", "base"));
-        final javax.xml.transform.dom.DOMSource delegated = new 
javax.xml.transform.dom.DOMSource();
-        final javax.xml.transform.URIResolver delegate = (href, base) -> 
delegated;
+        final DOMSource delegated = new DOMSource();
+        final URIResolver delegate = (href, base) -> delegated;
         resolver.setDelegate(delegate);
         assertSame(delegate, resolver.getDelegate());
         assertSame(delegated, resolver.resolve("href", "base"));
         resolver.setDelegate(null);
         System.setProperty(SecureException.THROW_ON_UNRESOLVED, "true");
         try {
-            assertThrows(javax.xml.transform.TransformerException.class, () -> 
resolver.resolve("href", "base"));
+            assertThrows(TransformerException.class, () -> 
resolver.resolve("href", "base"));
         } finally {
             System.clearProperty(SecureException.THROW_ON_UNRESOLVED);
         }
diff --git 
a/src/test/java/org/apache/commons/xml/FallbackIgnoreXMLResolverTest.java 
b/src/test/java/org/apache/commons/xml/FallbackIgnoreXMLResolverTest.java
index 4c0504d..ee67a54 100644
--- a/src/test/java/org/apache/commons/xml/FallbackIgnoreXMLResolverTest.java
+++ b/src/test/java/org/apache/commons/xml/FallbackIgnoreXMLResolverTest.java
@@ -22,6 +22,9 @@
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.stream.XMLResolver;
+import javax.xml.stream.XMLStreamException;
+
 class FallbackIgnoreXMLResolverTest {
 
     @Test
@@ -29,14 +32,14 @@ void coversDelegateFallbackAndDenyBranches() throws 
Exception {
         final FallbackIgnoreXMLResolver resolver = new 
FallbackIgnoreXMLResolver(null);
         assertNotNull(resolver.resolveEntity("p", "s", "b", "n"));
         final Object expected = new Object();
-        final javax.xml.stream.XMLResolver delegate = (publicId, systemId, 
base, namespace) -> expected;
+        final XMLResolver delegate = (publicId, systemId, base, namespace) -> 
expected;
         resolver.setDelegate(delegate);
         assertSame(delegate, resolver.getDelegate());
         assertSame(expected, resolver.resolveEntity("p", "s", "b", "n"));
         resolver.setDelegate(null);
         System.setProperty(SecureException.THROW_ON_UNRESOLVED, "true");
         try {
-            assertThrows(javax.xml.stream.XMLStreamException.class, () -> 
resolver.resolveEntity("p", "s", "b", "n"));
+            assertThrows(XMLStreamException.class, () -> 
resolver.resolveEntity("p", "s", "b", "n"));
         } finally {
             System.clearProperty(SecureException.THROW_ON_UNRESOLVED);
         }
diff --git a/src/test/java/org/apache/commons/xml/SaxonProviderTest.java 
b/src/test/java/org/apache/commons/xml/SaxonProviderTest.java
index 7c1abf8..15973ea 100644
--- a/src/test/java/org/apache/commons/xml/SaxonProviderTest.java
+++ b/src/test/java/org/apache/commons/xml/SaxonProviderTest.java
@@ -26,14 +26,22 @@
 import javax.xml.xpath.XPathFactory;
 import org.junit.jupiter.api.Test;
 
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import javax.xml.transform.TransformerFactoryConfigurationError;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Tag;
+import org.xml.sax.SAXNotSupportedException;
+import org.xml.sax.helpers.XMLFilterImpl;
+
 class SaxonProviderTest {
 
     /** Reader used to force SecureConfiguration.makeParser through its 
SecureException translation path. */
-    public static final class FailingXMLReader extends 
org.xml.sax.helpers.XMLFilterImpl {
+    public static final class FailingXMLReader extends XMLFilterImpl {
 
         @Override
-        public void setFeature(final String name, final boolean value) throws 
org.xml.sax.SAXNotSupportedException {
-            throw new org.xml.sax.SAXNotSupportedException(name);
+        public void setFeature(final String name, final boolean value) throws 
SAXNotSupportedException {
+            throw new SAXNotSupportedException(name);
         }
     }
 
@@ -50,7 +58,7 @@ private static Object newSaxon(final String className) throws 
ReflectiveOperatio
     }
 
     @Test
-    @org.junit.jupiter.api.Tag("xpath3")
+    @Tag("xpath3")
     void configuresSaxonFactoriesAndSuppliesAnEmptySource() throws 
ReflectiveOperationException {
         final TransformerFactory transformerFactory = 
TransformerFactory.class.cast(newSaxon("net.sf.saxon.TransformerFactoryImpl"));
         final XPathFactory xpathFactory = 
XPathFactory.class.cast(newSaxon("net.sf.saxon.xpath.XPathFactoryImpl"));
@@ -65,35 +73,35 @@ void recognizesNonSaxonClass() {
     }
 
     @Test
-    @org.junit.jupiter.api.Tag("xpath3")
+    @Tag("xpath3")
     void recognizesOpenSourceAndCommercialSaxonClasses() {
         
assertTrue(SaxonProvider.isSaxon(loadSaxon("net.sf.saxon.TransformerFactoryImpl")));
         assertTrue(SaxonProvider.isSaxon(com.saxonica.ProviderMarker.class));
     }
 
     @Test
-    @org.junit.jupiter.api.Tag("xpath3")
+    @Tag("xpath3")
     void rejectsFactoriesThatDoNotImplementSaxonApis() {
-        org.junit.jupiter.api.Assertions.assertThrows(SecureException.class,
+        Assertions.assertThrows(SecureException.class,
                 () -> 
SaxonProvider.configure(TransformerFactory.newInstance("com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl",
 null)));
-        org.junit.jupiter.api.Assertions.assertThrows(SecureException.class, 
() -> SaxonProvider
+        Assertions.assertThrows(SecureException.class, () -> SaxonProvider
                 
.configure(XPathFactory.newInstance(XPathFactory.DEFAULT_OBJECT_MODEL_URI, 
"com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl", null)));
     }
 
     @Test
-    @org.junit.jupiter.api.Tag("xpath3")
+    @Tag("xpath3")
     void rejectsSaxonCollectionResolutionWhenConfiguredToThrow() throws 
Exception {
         final XPathFactory factory = 
XPathFactory.class.cast(newSaxon("net.sf.saxon.xpath.XPathFactoryImpl"));
         SaxonProvider.configure(factory);
         final Object configuration = 
factory.getClass().getMethod("getConfiguration").invoke(factory);
         final Object finder = 
configuration.getClass().getMethod("getCollectionFinder").invoke(configuration);
-        final java.lang.reflect.Method findCollection = 
finder.getClass().getMethod("findCollection", 
loadSaxon("net.sf.saxon.expr.XPathContext"),
+        final Method findCollection = 
finder.getClass().getMethod("findCollection", 
loadSaxon("net.sf.saxon.expr.XPathContext"),
                 String.class);
         final String previous = 
System.getProperty(SecureException.THROW_ON_UNRESOLVED);
         try {
             System.setProperty(SecureException.THROW_ON_UNRESOLVED, "true");
-            final java.lang.reflect.InvocationTargetException exception = 
org.junit.jupiter.api.Assertions
-                    
.assertThrows(java.lang.reflect.InvocationTargetException.class, () -> 
findCollection.invoke(finder, null, "urn:collection"));
+            final InvocationTargetException exception = Assertions
+                    .assertThrows(InvocationTargetException.class, () -> 
findCollection.invoke(finder, null, "urn:collection"));
             assertEquals("net.sf.saxon.trans.XPathException", 
exception.getCause().getClass().getName());
         } finally {
             if (previous == null) {
@@ -105,16 +113,16 @@ void 
rejectsSaxonCollectionResolutionWhenConfiguredToThrow() throws Exception {
     }
 
     @Test
-    @org.junit.jupiter.api.Tag("xpath3")
+    @Tag("xpath3")
     void translatesSecureParserFailuresToSaxonConfigurationErrors() throws 
Exception {
         final TransformerFactory factory = 
TransformerFactory.class.cast(newSaxon("net.sf.saxon.TransformerFactoryImpl"));
         SaxonProvider.configure(factory);
         final Object configuration = 
factory.getClass().getMethod("getConfiguration").invoke(factory);
-        final java.lang.reflect.Method makeParser = 
configuration.getClass().getMethod("makeParser", String.class);
-        final java.lang.reflect.InvocationTargetException exception = 
org.junit.jupiter.api.Assertions
-                
.assertThrows(java.lang.reflect.InvocationTargetException.class, () -> 
makeParser.invoke(configuration, FailingXMLReader.class.getName()));
-        final javax.xml.transform.TransformerFactoryConfigurationError error = 
org.junit.jupiter.api.Assertions
-                
.assertInstanceOf(javax.xml.transform.TransformerFactoryConfigurationError.class,
 exception.getCause());
-        
org.junit.jupiter.api.Assertions.assertInstanceOf(SecureException.class, 
error.getException());
+        final Method makeParser = 
configuration.getClass().getMethod("makeParser", String.class);
+        final InvocationTargetException exception = Assertions
+                .assertThrows(InvocationTargetException.class, () -> 
makeParser.invoke(configuration, FailingXMLReader.class.getName()));
+        final TransformerFactoryConfigurationError error = Assertions
+                .assertInstanceOf(TransformerFactoryConfigurationError.class, 
exception.getCause());
+        Assertions.assertInstanceOf(SecureException.class, 
error.getException());
     }
 }
diff --git 
a/src/test/java/org/apache/commons/xml/SaxonXPathExternalCallsTest.java 
b/src/test/java/org/apache/commons/xml/SaxonXPathExternalCallsTest.java
index 01e4283..26463f0 100644
--- a/src/test/java/org/apache/commons/xml/SaxonXPathExternalCallsTest.java
+++ b/src/test/java/org/apache/commons/xml/SaxonXPathExternalCallsTest.java
@@ -29,6 +29,8 @@
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.xpath.XPath;
+
 /**
  * Checks whether Saxon's XPath 3.1 URI-fetching functions can pull external 
resources into the result.
  *
@@ -97,7 +99,7 @@ private static String jsonDocExpression() {
      * Instantiates Saxon's {@code XPathFactoryImpl} reflectively.
      *
      * <p>Saxon 12.9 ships no {@code META-INF/services} entry for
-     * {@link javax.xml.xpath.XPathFactory}, so {@link 
XPathFactory#newInstance(String)} cannot find it; direct instantiation bypasses 
that lookup.</p>
+     * {@link XPathFactory}, so {@link XPathFactory#newInstance(String)} 
cannot find it; direct instantiation bypasses that lookup.</p>
      */
     private static XPathFactory saxonXPathFactory() {
         try {
diff --git 
a/src/test/java/org/apache/commons/xml/SchemaFactoryLanguageTest.java 
b/src/test/java/org/apache/commons/xml/SchemaFactoryLanguageTest.java
index 513eaff..cbcc7d8 100644
--- a/src/test/java/org/apache/commons/xml/SchemaFactoryLanguageTest.java
+++ b/src/test/java/org/apache/commons/xml/SchemaFactoryLanguageTest.java
@@ -22,8 +22,10 @@
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.validation.Schema;
+
 /**
- * Checks that {@link SecureSchemaFactory#newInstance(String)} passes the 
schema language through to {@link 
javax.xml.validation.SchemaFactory#newInstance}.
+ * Checks that {@link SecureSchemaFactory#newInstance(String)} passes the 
schema language through to {@link SchemaFactory#newInstance}.
  *
  * <p>The working W3C XML Schema path is exercised by the whole schema suite; 
this test covers only the language-selection contract.</p>
  */
diff --git 
a/src/test/java/org/apache/commons/xml/SecureSAXParserFactoryTest.java 
b/src/test/java/org/apache/commons/xml/SecureSAXParserFactoryTest.java
index 7080e6e..71eb6ed 100644
--- a/src/test/java/org/apache/commons/xml/SecureSAXParserFactoryTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureSAXParserFactoryTest.java
@@ -37,6 +37,8 @@
 import org.xml.sax.InputSource;
 import org.xml.sax.XMLReader;
 
+import javax.xml.parsers.SAXParser;
+
 class SecureSAXParserFactoryTest {
 
     @Test
@@ -65,7 +67,7 @@ void 
forwardsFactoryConfigurationAndCreatesNamespaceAwareParsers() throws Except
 
     @Test
     void respectsDefaultParserSelectionAndLeavesReadersSecureOnlyOnce() throws 
Exception {
-        final String factoryId = "javax.xml.parsers.SAXParserFactory";
+        final String factoryId = "SAXParserFactory";
         final String previous = System.getProperty(factoryId);
         try {
             System.setProperty(factoryId, 
SAXParserFactory.newInstance().getClass().getName());
diff --git a/src/test/java/org/apache/commons/xml/SecureSAXParserTest.java 
b/src/test/java/org/apache/commons/xml/SecureSAXParserTest.java
index 22926a8..7da57f1 100644
--- a/src/test/java/org/apache/commons/xml/SecureSAXParserTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureSAXParserTest.java
@@ -17,52 +17,63 @@
 
 package org.apache.commons.xml;
 
+import java.util.Locale;
+
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import javax.xml.parsers.SAXParserFactory;
 import org.junit.jupiter.api.Test;
 
+import javax.xml.parsers.SAXParser;
+import javax.xml.validation.Schema;
+import org.junit.jupiter.api.Assertions;
+import org.xml.sax.DocumentHandler;
+import org.xml.sax.Parser;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
+import org.xml.sax.XMLReader;
+
 class SecureSAXParserTest {
 
-    private static final class ParserSecureReader extends SecureXMLReader 
implements org.xml.sax.Parser {
+    private static final class ParserSecureReader extends SecureXMLReader 
implements Parser {
 
-        ParserSecureReader(final org.xml.sax.XMLReader reader) {
+        ParserSecureReader(final XMLReader reader) {
             super(reader);
         }
 
         @Override
-        public void setDocumentHandler(final org.xml.sax.DocumentHandler 
handler) {
+        public void setDocumentHandler(final DocumentHandler handler) {
         }
 
         @Override
-        public void setLocale(final java.util.Locale locale) {
+        public void setLocale(final Locale locale) {
         }
     }
 
-    private static final class ReaderSAXParser extends 
javax.xml.parsers.SAXParser {
+    private static final class ReaderSAXParser extends SAXParser {
 
-        private final org.xml.sax.XMLReader reader;
+        private final XMLReader reader;
 
-        ReaderSAXParser(final org.xml.sax.XMLReader reader) {
+        ReaderSAXParser(final XMLReader reader) {
             this.reader = reader;
         }
 
         @Override
-        public org.xml.sax.Parser getParser() {
-            return (org.xml.sax.Parser) reader;
+        public Parser getParser() {
+            return (Parser) reader;
         }
 
         @Override
-        public Object getProperty(final String name) throws 
org.xml.sax.SAXNotRecognizedException, org.xml.sax.SAXNotSupportedException {
+        public Object getProperty(final String name) throws 
SAXNotRecognizedException, SAXNotSupportedException {
             return reader.getProperty(name);
         }
 
         @Override
-        public javax.xml.validation.Schema getSchema() {
+        public Schema getSchema() {
             return null;
         }
 
         @Override
-        public org.xml.sax.XMLReader getXMLReader() {
+        public XMLReader getXMLReader() {
             return reader;
         }
 
@@ -86,7 +97,7 @@ public void reset() {
         }
 
         @Override
-        public void setProperty(final String name, final Object value) throws 
org.xml.sax.SAXNotRecognizedException, org.xml.sax.SAXNotSupportedException {
+        public void setProperty(final String name, final Object value) throws 
SAXNotRecognizedException, SAXNotSupportedException {
             reader.setProperty(name, value);
         }
     }
@@ -94,15 +105,15 @@ public void setProperty(final String name, final Object 
value) throws org.xml.sa
     @Test
     void cachesSecureViewsThenRecreatesThemAfterReset() throws Exception {
         final SecureSAXParser parser = new 
SecureSAXParser(SAXParserFactory.newInstance().newSAXParser());
-        final org.xml.sax.XMLReader firstReader = parser.getXMLReader();
-        final org.xml.sax.Parser firstParser = parser.getParser();
-        org.junit.jupiter.api.Assertions.assertSame(firstReader, 
parser.getXMLReader());
-        org.junit.jupiter.api.Assertions.assertSame(firstParser, 
parser.getParser());
+        final XMLReader firstReader = parser.getXMLReader();
+        final Parser firstParser = parser.getParser();
+        Assertions.assertSame(firstReader, parser.getXMLReader());
+        Assertions.assertSame(firstParser, parser.getParser());
         parser.setProperty("http://xml.org/sax/properties/lexical-handler";, 
null);
-        
org.junit.jupiter.api.Assertions.assertNull(parser.getProperty("http://xml.org/sax/properties/lexical-handler";));
+        
Assertions.assertNull(parser.getProperty("http://xml.org/sax/properties/lexical-handler";));
         parser.reset();
-        org.junit.jupiter.api.Assertions.assertNotSame(firstReader, 
parser.getXMLReader());
-        org.junit.jupiter.api.Assertions.assertNotSame(firstParser, 
parser.getParser());
+        Assertions.assertNotSame(firstReader, parser.getXMLReader());
+        Assertions.assertNotSame(firstParser, parser.getParser());
     }
 
     @Test
@@ -121,6 +132,6 @@ void exposesSecureParserViewsAndState() throws Exception {
     void reusesAReaderThatAlreadyImplementsSax1Parser() throws Exception {
         final ParserSecureReader reader = new 
ParserSecureReader(SAXParserFactory.newInstance().newSAXParser().getXMLReader());
         final SecureSAXParser parser = new SecureSAXParser(new 
ReaderSAXParser(reader));
-        org.junit.jupiter.api.Assertions.assertSame(reader, 
parser.getParser());
+        Assertions.assertSame(reader, parser.getParser());
     }
 }
diff --git a/src/test/java/org/apache/commons/xml/SecureSchemaFactoryTest.java 
b/src/test/java/org/apache/commons/xml/SecureSchemaFactoryTest.java
index 63cc9c8..087683d 100644
--- a/src/test/java/org/apache/commons/xml/SecureSchemaFactoryTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureSchemaFactoryTest.java
@@ -27,6 +27,14 @@
 import org.junit.jupiter.api.Test;
 import org.xml.sax.helpers.DefaultHandler;
 
+import javax.xml.transform.Source;
+import javax.xml.validation.Schema;
+import org.w3c.dom.ls.LSResourceResolver;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
+
 class SecureSchemaFactoryTest {
 
     private static final class PropertySchemaFactory extends SchemaFactory {
@@ -34,12 +42,12 @@ private static final class PropertySchemaFactory extends 
SchemaFactory {
         private final SchemaFactory delegate = 
SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
 
         @Override
-        public org.xml.sax.ErrorHandler getErrorHandler() {
+        public ErrorHandler getErrorHandler() {
             return delegate.getErrorHandler();
         }
 
         @Override
-        public boolean getFeature(final String name) throws 
org.xml.sax.SAXNotRecognizedException, org.xml.sax.SAXNotSupportedException {
+        public boolean getFeature(final String name) throws 
SAXNotRecognizedException, SAXNotSupportedException {
             return delegate.getFeature(name);
         }
 
@@ -49,7 +57,7 @@ public Object getProperty(final String name) {
         }
 
         @Override
-        public org.w3c.dom.ls.LSResourceResolver getResourceResolver() {
+        public LSResourceResolver getResourceResolver() {
             return delegate.getResourceResolver();
         }
 
@@ -59,22 +67,22 @@ public boolean isSchemaLanguageSupported(final String 
language) {
         }
 
         @Override
-        public javax.xml.validation.Schema newSchema() throws 
org.xml.sax.SAXException {
+        public Schema newSchema() throws SAXException {
             return delegate.newSchema();
         }
 
         @Override
-        public javax.xml.validation.Schema newSchema(final 
javax.xml.transform.Source[] sources) throws org.xml.sax.SAXException {
+        public Schema newSchema(final Source[] sources) throws SAXException {
             return delegate.newSchema(sources);
         }
 
         @Override
-        public void setErrorHandler(final org.xml.sax.ErrorHandler handler) {
+        public void setErrorHandler(final ErrorHandler handler) {
             delegate.setErrorHandler(handler);
         }
 
         @Override
-        public void setFeature(final String name, final boolean value) throws 
org.xml.sax.SAXNotRecognizedException, org.xml.sax.SAXNotSupportedException {
+        public void setFeature(final String name, final boolean value) throws 
SAXNotRecognizedException, SAXNotSupportedException {
             delegate.setFeature(name, value);
         }
 
@@ -83,7 +91,7 @@ public void setProperty(final String name, final Object 
value) {
         }
 
         @Override
-        public void setResourceResolver(final 
org.w3c.dom.ls.LSResourceResolver resolver) {
+        public void setResourceResolver(final LSResourceResolver resolver) {
             delegate.setResourceResolver(resolver);
         }
     }
@@ -98,7 +106,7 @@ void createsSecureSchemas() throws Exception {
     void forwardsSchemaFactoryConfigurationAndAccessors() throws Exception {
         final SchemaFactory factory = 
SecureSchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
         final DefaultHandler errorHandler = new DefaultHandler();
-        final org.w3c.dom.ls.LSResourceResolver resolver = (type, namespace, 
publicId, systemId, base) -> null;
+        final LSResourceResolver resolver = (type, namespace, publicId, 
systemId, base) -> null;
         factory.setErrorHandler(errorHandler);
         factory.setResourceResolver(resolver);
         factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
@@ -107,7 +115,7 @@ void forwardsSchemaFactoryConfigurationAndAccessors() 
throws Exception {
         assertSame(resolver, factory.getResourceResolver());
         
assertTrue(factory.isSchemaLanguageSupported(XMLConstants.W3C_XML_SCHEMA_NS_URI));
         assertTrue(factory.getFeature(XMLConstants.FEATURE_SECURE_PROCESSING));
-        assertThrows(org.xml.sax.SAXNotRecognizedException.class, () -> 
factory.getProperty("foo"));
+        assertThrows(SAXNotRecognizedException.class, () -> 
factory.getProperty("foo"));
     }
 
     @Test
diff --git a/src/test/java/org/apache/commons/xml/SecureTemplatesTest.java 
b/src/test/java/org/apache/commons/xml/SecureTemplatesTest.java
index 8c94ffb..79fae25 100644
--- a/src/test/java/org/apache/commons/xml/SecureTemplatesTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureTemplatesTest.java
@@ -22,6 +22,9 @@
 import static org.junit.jupiter.api.Assertions.assertNull;
 
 import java.io.StringReader;
+import java.util.Properties;
+
+import javax.xml.transform.Transformer;
 
 import javax.xml.transform.Templates;
 import javax.xml.transform.TransformerFactory;
@@ -46,12 +49,12 @@ void preservesANullTransformerFromTheDelegate() throws 
Exception {
         final Templates delegate = new Templates() {
 
             @Override
-            public java.util.Properties getOutputProperties() {
-                return new java.util.Properties();
+            public Properties getOutputProperties() {
+                return new Properties();
             }
 
             @Override
-            public javax.xml.transform.Transformer newTransformer() {
+            public Transformer newTransformer() {
                 return null;
             }
         };
diff --git 
a/src/test/java/org/apache/commons/xml/SecureTransformerFactoryTest.java 
b/src/test/java/org/apache/commons/xml/SecureTransformerFactoryTest.java
index 9663061..186c847 100644
--- a/src/test/java/org/apache/commons/xml/SecureTransformerFactoryTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureTransformerFactoryTest.java
@@ -22,6 +22,8 @@
 import static org.junit.jupiter.api.Assertions.assertSame;
 
 import java.io.StringReader;
+import java.util.HashMap;
+import java.util.Map;
 
 import javax.xml.transform.ErrorListener;
 import javax.xml.transform.Source;
@@ -39,13 +41,20 @@
 import org.junit.jupiter.api.Test;
 import org.xml.sax.XMLFilter;
 
+import javax.xml.XMLConstants;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.sax.SAXSource;
+import org.junit.jupiter.api.Assertions;
+import org.xml.sax.InputSource;
+
 class SecureTransformerFactoryTest {
 
     private static class NullProductsFactory extends SAXTransformerFactory {
 
         private final SAXTransformerFactory delegate = (SAXTransformerFactory) 
TransformerFactory.newInstance();
 
-        private final java.util.Map<String, Object> attributes = new 
java.util.HashMap<>();
+        private final Map<String, Object> attributes = new HashMap<>();
 
         @Override
         public Source getAssociatedStylesheet(final Source source, final 
String media, final String title, final String charset)
@@ -173,13 +182,13 @@ void preservesNullResultsFromEveryWrappableProduct() 
throws Exception {
         assertNull(factory.newTransformerHandler(templates));
         assertNull(factory.newXMLFilter(stylesheet()));
         factory.setAttribute("test", "value");
-        org.junit.jupiter.api.Assertions.assertEquals("value", 
factory.getAttribute("test"));
-        factory.setFeature(javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, 
true);
+        Assertions.assertEquals("value", factory.getAttribute("test"));
+        factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
     }
 
     @Test
     void rejectsDelegatesThatCannotEnableSecureProcessing() {
-        org.junit.jupiter.api.Assertions.assertThrows(SecureException.class, 
() -> SecureTransformerFactory.secure(new RejectingFeatureFactory()));
+        Assertions.assertThrows(SecureException.class, () -> 
SecureTransformerFactory.secure(new RejectingFeatureFactory()));
     }
 
     @Test
@@ -188,12 +197,12 @@ void 
securesAssociatedStylesheetSourcesOfEverySupportedShape() throws Exception
         final SAXTransformerFactory factory = (SAXTransformerFactory) 
SecureTransformerFactory.newInstance();
         associatedStylesheet(factory, new StreamSource(new 
StringReader("<root/>")));
         associatedStylesheet(factory, new StreamSource(new 
StringReader("<root>")));
-        associatedStylesheet(factory, new 
javax.xml.transform.sax.SAXSource(new org.xml.sax.InputSource(new 
StringReader("<root/>"))));
-        associatedStylesheet(factory, new javax.xml.transform.sax.SAXSource());
+        associatedStylesheet(factory, new SAXSource(new InputSource(new 
StringReader("<root/>"))));
+        associatedStylesheet(factory, new SAXSource());
         associatedStylesheet(factory,
-                new 
javax.xml.transform.sax.SAXSource(SecureSAXParserFactory.newXMLReader(false), 
new org.xml.sax.InputSource(new StringReader("<root/>"))));
+                new SAXSource(SecureSAXParserFactory.newXMLReader(false), new 
InputSource(new StringReader("<root/>"))));
         associatedStylesheet(factory,
-                new 
javax.xml.transform.dom.DOMSource(javax.xml.parsers.DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()));
+                new 
DOMSource(DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()));
     }
 
     @Test
@@ -204,7 +213,7 @@ void wrapsEveryStandardAndSaxFactoryProduct() throws 
Exception {
         assertSame(resolver, factory.getURIResolver());
         factory.setErrorListener(factory.getErrorListener());
         factory.setAttribute("indent-number", 2);
-        
org.junit.jupiter.api.Assertions.assertThrows(IllegalArgumentException.class, 
() -> factory.getAttribute("indent-number"));
+        Assertions.assertThrows(IllegalArgumentException.class, () -> 
factory.getAttribute("indent-number"));
         final Templates templates = factory.newTemplates(stylesheet());
         assertInstanceOf(SecureTemplates.class, templates);
         assertInstanceOf(SecureTransformer.class, factory.newTransformer());
diff --git 
a/src/test/java/org/apache/commons/xml/SecureTransformerHandlerTest.java 
b/src/test/java/org/apache/commons/xml/SecureTransformerHandlerTest.java
index 217de4f..78d1015 100644
--- a/src/test/java/org/apache/commons/xml/SecureTransformerHandlerTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureTransformerHandlerTest.java
@@ -29,6 +29,8 @@
 import org.junit.jupiter.api.Test;
 import org.xml.sax.helpers.AttributesImpl;
 
+import org.xml.sax.helpers.LocatorImpl;
+
 class SecureTransformerHandlerTest {
 
     @Test
@@ -37,7 +39,7 @@ void forwardsEveryTransformerHandlerMethod() throws Exception 
{
         final SecureTransformerHandler handler = new 
SecureTransformerHandler(factory.newTransformerHandler(), null, null, false);
         final char[] chars = { 'x' };
         handler.setResult(new StreamResult(new StringWriter()));
-        handler.setDocumentLocator(new org.xml.sax.helpers.LocatorImpl());
+        handler.setDocumentLocator(new LocatorImpl());
         handler.setSystemId("system");
         handler.startDocument();
         handler.startDTD("root", null, null);
diff --git a/src/test/java/org/apache/commons/xml/SecureTransformerTest.java 
b/src/test/java/org/apache/commons/xml/SecureTransformerTest.java
index 9f635fd..ba3f6c0 100644
--- a/src/test/java/org/apache/commons/xml/SecureTransformerTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureTransformerTest.java
@@ -32,6 +32,9 @@
 
 import org.junit.jupiter.api.Test;
 
+import javax.xml.transform.ErrorListener;
+import javax.xml.transform.TransformerException;
+
 class SecureTransformerTest {
 
     @Test
@@ -48,18 +51,18 @@ void forwardsEveryTransformerMethod() throws Exception {
         assertNotNull(transformer.getOutputProperty(OutputKeys.METHOD));
         transformer.setOutputProperties(new Properties());
         assertNotNull(transformer.getOutputProperties());
-        transformer.setErrorListener(new javax.xml.transform.ErrorListener() {
+        transformer.setErrorListener(new ErrorListener() {
 
             @Override
-            public void error(final javax.xml.transform.TransformerException 
e) {
+            public void error(final TransformerException e) {
             }
 
             @Override
-            public void fatalError(final 
javax.xml.transform.TransformerException e) {
+            public void fatalError(final TransformerException e) {
             }
 
             @Override
-            public void warning(final javax.xml.transform.TransformerException 
e) {
+            public void warning(final TransformerException e) {
             }
         });
         assertNotNull(transformer.getErrorListener());
diff --git 
a/src/test/java/org/apache/commons/xml/SecureValidatorHandlerTest.java 
b/src/test/java/org/apache/commons/xml/SecureValidatorHandlerTest.java
index f0c8817..6bc46ff 100644
--- a/src/test/java/org/apache/commons/xml/SecureValidatorHandlerTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureValidatorHandlerTest.java
@@ -332,7 +332,7 @@ void delegatesProperty() throws Exception {
         final SecureValidatorHandler handler = new 
SecureValidatorHandler(delegate);
         // Verify delegation of getProperty; setProperty may be unsupported on 
this implementation
         // Spelled out because Android's XMLConstants predates JAXP 1.5 and 
lacks ACCESS_EXTERNAL_DTD; this file also compiles in android-tests.
-        final String property = 
"http://javax.xml.XMLConstants/property/accessExternalDTD";;
+        final String property = 
"http://XMLConstants/property/accessExternalDTD";;
         final Object delegateValue;
         try {
             delegateValue = delegate.getProperty(property);
@@ -356,7 +356,7 @@ void delegatesSetContentHandler() throws Exception {
     void delegatesSetDocumentLocator() throws Exception {
         final ValidatorHandler delegate = newValidatorHandler();
         final SecureValidatorHandler handler = new 
SecureValidatorHandler(delegate);
-        final Locator locator = new org.xml.sax.Locator() {
+        final Locator locator = new Locator() {
 
             @Override
             public int getColumnNumber() {
diff --git a/src/test/java/org/apache/commons/xml/SecureValidatorTest.java 
b/src/test/java/org/apache/commons/xml/SecureValidatorTest.java
index a143686..651bab1 100644
--- a/src/test/java/org/apache/commons/xml/SecureValidatorTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureValidatorTest.java
@@ -29,23 +29,33 @@
 import org.junit.jupiter.api.Test;
 import org.xml.sax.helpers.DefaultHandler;
 
+import java.io.IOException;
+import javax.xml.transform.Result;
+import javax.xml.transform.Source;
+import javax.xml.validation.Validator;
+import org.w3c.dom.ls.LSResourceResolver;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
+
 class SecureValidatorTest {
 
-    private static final class PropertyValidator extends 
javax.xml.validation.Validator {
+    private static final class PropertyValidator extends Validator {
 
-        private final javax.xml.validation.Validator delegate;
+        private final Validator delegate;
 
-        PropertyValidator() throws org.xml.sax.SAXException {
+        PropertyValidator() throws SAXException {
             delegate = 
SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema().newValidator();
         }
 
         @Override
-        public org.xml.sax.ErrorHandler getErrorHandler() {
+        public ErrorHandler getErrorHandler() {
             return delegate.getErrorHandler();
         }
 
         @Override
-        public boolean getFeature(final String name) throws 
org.xml.sax.SAXNotRecognizedException, org.xml.sax.SAXNotSupportedException {
+        public boolean getFeature(final String name) throws 
SAXNotRecognizedException, SAXNotSupportedException {
             return delegate.getFeature(name);
         }
 
@@ -55,7 +65,7 @@ public Object getProperty(final String name) {
         }
 
         @Override
-        public org.w3c.dom.ls.LSResourceResolver getResourceResolver() {
+        public LSResourceResolver getResourceResolver() {
             return delegate.getResourceResolver();
         }
 
@@ -65,12 +75,12 @@ public void reset() {
         }
 
         @Override
-        public void setErrorHandler(final org.xml.sax.ErrorHandler 
errorHandler) {
+        public void setErrorHandler(final ErrorHandler errorHandler) {
             delegate.setErrorHandler(errorHandler);
         }
 
         @Override
-        public void setFeature(final String name, final boolean value) throws 
org.xml.sax.SAXNotRecognizedException, org.xml.sax.SAXNotSupportedException {
+        public void setFeature(final String name, final boolean value) throws 
SAXNotRecognizedException, SAXNotSupportedException {
             delegate.setFeature(name, value);
         }
 
@@ -80,13 +90,13 @@ public void setProperty(final String name, final Object 
object) {
         }
 
         @Override
-        public void setResourceResolver(final 
org.w3c.dom.ls.LSResourceResolver resourceResolver) {
+        public void setResourceResolver(final LSResourceResolver 
resourceResolver) {
             delegate.setResourceResolver(resourceResolver);
         }
 
         @Override
-        public void validate(final javax.xml.transform.Source source, final 
javax.xml.transform.Result result)
-                throws org.xml.sax.SAXException, java.io.IOException {
+        public void validate(final Source source, final Result result)
+                throws SAXException, IOException {
             delegate.validate(source, result);
         }
     }
@@ -100,7 +110,7 @@ void getsPropertiesFromTheDelegate() throws Exception {
     void preservesNonRemovableResolverFloorAndForwardsConfiguration() throws 
Exception {
         final SecureValidator validator = new 
SecureValidator(SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI).newSchema().newValidator(),
 false);
         final DefaultHandler errorHandler = new DefaultHandler();
-        final org.w3c.dom.ls.LSResourceResolver resolver = (type, namespace, 
publicId, systemId, base) -> null;
+        final LSResourceResolver resolver = (type, namespace, publicId, 
systemId, base) -> null;
         validator.setErrorHandler(errorHandler);
         assertSame(errorHandler, validator.getErrorHandler());
         assertNull(validator.getResourceResolver());
@@ -109,7 +119,7 @@ void 
preservesNonRemovableResolverFloorAndForwardsConfiguration() throws Excepti
         validator.setProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
         assertSame(resolver, validator.getResourceResolver());
         
assertTrue(validator.getFeature(XMLConstants.FEATURE_SECURE_PROCESSING));
-        assertThrows(org.xml.sax.SAXNotRecognizedException.class, () -> 
validator.getProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA));
+        assertThrows(SAXNotRecognizedException.class, () -> 
validator.getProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA));
         validator.reset();
         assertNull(validator.getResourceResolver());
     }
diff --git a/src/test/java/org/apache/commons/xml/SecureXMLFilterTest.java 
b/src/test/java/org/apache/commons/xml/SecureXMLFilterTest.java
index 15ed8fe..c4530e4 100644
--- a/src/test/java/org/apache/commons/xml/SecureXMLFilterTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureXMLFilterTest.java
@@ -22,6 +22,7 @@
 
 import java.io.IOException;
 import java.io.StringReader;
+import java.util.Properties;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import javax.xml.transform.Result;
@@ -38,6 +39,13 @@
 import org.xml.sax.SAXParseException;
 import org.xml.sax.helpers.DefaultHandler;
 
+import javax.xml.transform.ErrorListener;
+import javax.xml.transform.Source;
+import org.junit.jupiter.api.Assertions;
+import org.xml.sax.Attributes;
+import org.xml.sax.ext.DefaultHandler2;
+import org.xml.sax.helpers.XMLFilterImpl;
+
 class SecureXMLFilterTest {
 
     private static SecureXMLFilter filter() throws Exception {
@@ -52,13 +60,13 @@ void propagatesSaxFailuresFromTheTransformationHandler() 
throws Exception {
         filter.setContentHandler(new DefaultHandler() {
 
             @Override
-            public void startElement(final String uri, final String localName, 
final String qName, final org.xml.sax.Attributes attributes)
+            public void startElement(final String uri, final String localName, 
final String qName, final Attributes attributes)
                     throws SAXException {
                 throw new SAXException("handler");
             }
         });
         final SAXException exception = assertThrows(SAXException.class, () -> 
filter.parse(new InputSource(new StringReader("<root/>"))));
-        org.junit.jupiter.api.Assertions.assertEquals("handler", 
exception.getMessage());
+        Assertions.assertEquals("handler", exception.getMessage());
     }
 
     @Test
@@ -86,7 +94,7 @@ public void warning(final SAXParseException e) {
         filter.error(new TransformerException("error", new 
SAXParseException("cause", null)));
         final TransformerException fatal = new TransformerException("fatal");
         assertSame(fatal, assertThrows(TransformerException.class, () -> 
filter.fatalError(fatal)));
-        org.junit.jupiter.api.Assertions.assertEquals(3, reports.get());
+        Assertions.assertEquals(3, reports.get());
     }
 
     @Test
@@ -103,7 +111,7 @@ void rethrowsAnIoExceptionFromTheTransformer() throws 
Exception {
         final Templates templates = new Templates() {
 
             @Override
-            public java.util.Properties getOutputProperties() {
+            public Properties getOutputProperties() {
                 return delegate.getOutputProperties();
             }
 
@@ -117,12 +125,12 @@ public void clearParameters() {
                     }
 
                     @Override
-                    public javax.xml.transform.ErrorListener 
getErrorListener() {
+                    public ErrorListener getErrorListener() {
                         return delegate.getErrorListener();
                     }
 
                     @Override
-                    public java.util.Properties getOutputProperties() {
+                    public Properties getOutputProperties() {
                         return delegate.getOutputProperties();
                     }
 
@@ -147,12 +155,12 @@ public void reset() {
                     }
 
                     @Override
-                    public void setErrorListener(final 
javax.xml.transform.ErrorListener listener) {
+                    public void setErrorListener(final ErrorListener listener) 
{
                         delegate.setErrorListener(listener);
                     }
 
                     @Override
-                    public void setOutputProperties(final java.util.Properties 
properties) {
+                    public void setOutputProperties(final Properties 
properties) {
                         delegate.setOutputProperties(properties);
                     }
 
@@ -172,7 +180,7 @@ public void setURIResolver(final URIResolver resolver) {
                     }
 
                     @Override
-                    public void transform(final javax.xml.transform.Source 
source, final Result result) throws TransformerException {
+                    public void transform(final Source source, final Result 
result) throws TransformerException {
                         throw new TransformerException(new 
IOException("transform"));
                     }
                 };
@@ -181,13 +189,13 @@ public void transform(final javax.xml.transform.Source 
source, final Result resu
         final SecureXMLFilter filter = new SecureXMLFilter(new 
SecureTemplates(templates, null, null, false));
         filter.setContentHandler(new DefaultHandler());
         final IOException exception = assertThrows(IOException.class, () -> 
filter.parse(new InputSource(new StringReader("<root/>"))));
-        org.junit.jupiter.api.Assertions.assertEquals("transform", 
exception.getMessage());
+        Assertions.assertEquals("transform", exception.getMessage());
     }
 
     @Test
     void sendsLexicalEventsToALexicalContentHandler() throws Exception {
         final SecureXMLFilter filter = filter();
-        filter.setContentHandler(new org.xml.sax.ext.DefaultHandler2());
+        filter.setContentHandler(new DefaultHandler2());
         filter.parse(new InputSource(new 
StringReader("<root><!--comment--><![CDATA[text]]></root>")));
     }
 
@@ -213,7 +221,7 @@ public void warning(final SAXParseException e) throws 
SAXException {
     void wrapsIoFailuresFromTheParentReader() throws Exception {
         final SecureXMLFilter filter = filter();
         filter.setContentHandler(new DefaultHandler());
-        filter.setParent(new org.xml.sax.helpers.XMLFilterImpl() {
+        filter.setParent(new XMLFilterImpl() {
 
             @Override
             public void parse(final InputSource input) throws IOException {
@@ -221,6 +229,6 @@ public void parse(final InputSource input) throws 
IOException {
             }
         });
         final SAXException exception = assertThrows(SAXException.class, () -> 
filter.parse(new InputSource(new StringReader("<root/>"))));
-        org.junit.jupiter.api.Assertions.assertNotNull(exception.getCause());
+        Assertions.assertNotNull(exception.getCause());
     }
 }
diff --git a/src/test/java/org/apache/commons/xml/SecureXMLReaderTest.java 
b/src/test/java/org/apache/commons/xml/SecureXMLReaderTest.java
index 6c5554c..0016602 100644
--- a/src/test/java/org/apache/commons/xml/SecureXMLReaderTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureXMLReaderTest.java
@@ -23,9 +23,13 @@
 import org.xml.sax.InputSource;
 import org.xml.sax.helpers.DefaultHandler;
 
+import java.io.IOException;
+import org.junit.jupiter.api.Assertions;
+import org.xml.sax.helpers.XMLFilterImpl;
+
 class SecureXMLReaderTest {
 
-    private static final class RecordingReader extends 
org.xml.sax.helpers.XMLFilterImpl {
+    private static final class RecordingReader extends XMLFilterImpl {
 
         boolean inputSourceParsed;
 
@@ -48,8 +52,8 @@ void forwardsBothParseOverloads() throws Exception {
         final SecureXMLReader reader = new SecureXMLReader(delegate);
         reader.parse(new InputSource());
         reader.parse("system");
-        
org.junit.jupiter.api.Assertions.assertTrue(delegate.inputSourceParsed);
-        org.junit.jupiter.api.Assertions.assertTrue(delegate.systemIdParsed);
+        Assertions.assertTrue(delegate.inputSourceParsed);
+        Assertions.assertTrue(delegate.systemIdParsed);
     }
 
     @Test
@@ -65,6 +69,6 @@ void forwardsReaderConfigurationAndParse() throws Exception {
         reader.getErrorHandler();
         reader.getEntityResolver();
         reader.parse(new InputSource(new StringReader("<root/>")));
-        
org.junit.jupiter.api.Assertions.assertThrows(java.io.IOException.class, () -> 
reader.parse("file:/definitely-not-present-commons-xml-test.xml"));
+        Assertions.assertThrows(IOException.class, () -> 
reader.parse("file:/definitely-not-present-commons-xml-test.xml"));
     }
 }
diff --git 
a/src/test/java/org/apache/commons/xml/SecureXPathExpressionTest.java 
b/src/test/java/org/apache/commons/xml/SecureXPathExpressionTest.java
index 390dae4..d0f29b0 100644
--- a/src/test/java/org/apache/commons/xml/SecureXPathExpressionTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureXPathExpressionTest.java
@@ -26,6 +26,9 @@
 import org.junit.jupiter.api.Test;
 import org.xml.sax.InputSource;
 
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+
 class SecureXPathExpressionTest {
 
     @Test
@@ -33,9 +36,9 @@ void evaluatesEveryXPathExpressionOverload() throws Exception 
{
         final SecureXPathExpression expression = new 
SecureXPathExpression(XPathFactory.newInstance().newXPath().compile("/root/text()"),
 false);
         final InputSource source = new InputSource(new 
StringReader("<root>value</root>"));
         assertEquals("value", expression.evaluate(source));
-        assertEquals("value", expression.evaluate(new InputSource(new 
StringReader("<root>value</root>")), javax.xml.xpath.XPathConstants.STRING));
+        assertEquals("value", expression.evaluate(new InputSource(new 
StringReader("<root>value</root>")), XPathConstants.STRING));
         assertEquals("value", 
expression.evaluate(org.apache.commons.xml.SecureXPath.parse(new 
InputSource(new StringReader("<root>value</root>")), false)));
         assertEquals("value",
-                expression.evaluate(SecureXPath.parse(new InputSource(new 
StringReader("<root>value</root>")), false), 
javax.xml.xpath.XPathConstants.STRING));
+                expression.evaluate(SecureXPath.parse(new InputSource(new 
StringReader("<root>value</root>")), false), XPathConstants.STRING));
     }
 }
diff --git a/src/test/java/org/apache/commons/xml/SecureXPathFactoryTest.java 
b/src/test/java/org/apache/commons/xml/SecureXPathFactoryTest.java
index d474c2e..1fe8bea 100644
--- a/src/test/java/org/apache/commons/xml/SecureXPathFactoryTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureXPathFactoryTest.java
@@ -25,14 +25,20 @@
 
 import org.junit.jupiter.api.Test;
 
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathFactoryConfigurationException;
+import javax.xml.xpath.XPathFunctionResolver;
+import javax.xml.xpath.XPathVariableResolver;
+import org.junit.jupiter.api.Assertions;
+
 class SecureXPathFactoryTest {
 
     @Test
     void createsAndConfiguresAFactoryForTheDefaultObjectModel() throws 
Exception {
         final XPathFactory factory = 
SecureXPathFactory.newInstance(XPathFactory.DEFAULT_OBJECT_MODEL_URI);
-        final javax.xml.xpath.XPathFunctionResolver resolver = (name, arity) 
-> null;
+        final XPathFunctionResolver resolver = (name, arity) -> null;
         factory.setXPathFunctionResolver(resolver);
-        final javax.xml.xpath.XPathVariableResolver variableResolver = name -> 
null;
+        final XPathVariableResolver variableResolver = name -> null;
         factory.setXPathVariableResolver(variableResolver);
         
assertTrue(factory.isObjectModelSupported(XPathFactory.DEFAULT_OBJECT_MODEL_URI));
         final SecureXPath xpath = (SecureXPath) factory.newXPath();
@@ -61,7 +67,7 @@ public boolean isObjectModelSupported(final String 
objectModel) {
             }
 
             @Override
-            public javax.xml.xpath.XPath newXPath() {
+            public XPath newXPath() {
                 return null;
             }
 
@@ -70,11 +76,11 @@ public void setFeature(final String name, final boolean 
value) {
             }
 
             @Override
-            public void setXPathFunctionResolver(final 
javax.xml.xpath.XPathFunctionResolver resolver) {
+            public void setXPathFunctionResolver(final XPathFunctionResolver 
resolver) {
             }
 
             @Override
-            public void setXPathVariableResolver(final 
javax.xml.xpath.XPathVariableResolver resolver) {
+            public void setXPathVariableResolver(final XPathVariableResolver 
resolver) {
             }
         };
         assertNull(SecureXPathFactory.secure(delegate).newXPath());
@@ -95,23 +101,23 @@ public boolean isObjectModelSupported(final String 
objectModel) {
             }
 
             @Override
-            public javax.xml.xpath.XPath newXPath() {
+            public XPath newXPath() {
                 return null;
             }
 
             @Override
-            public void setFeature(final String name, final boolean value) 
throws javax.xml.xpath.XPathFactoryConfigurationException {
-                throw new 
javax.xml.xpath.XPathFactoryConfigurationException(name);
+            public void setFeature(final String name, final boolean value) 
throws XPathFactoryConfigurationException {
+                throw new XPathFactoryConfigurationException(name);
             }
 
             @Override
-            public void setXPathFunctionResolver(final 
javax.xml.xpath.XPathFunctionResolver resolver) {
+            public void setXPathFunctionResolver(final XPathFunctionResolver 
resolver) {
             }
 
             @Override
-            public void setXPathVariableResolver(final 
javax.xml.xpath.XPathVariableResolver resolver) {
+            public void setXPathVariableResolver(final XPathVariableResolver 
resolver) {
             }
         };
-        org.junit.jupiter.api.Assertions.assertThrows(SecureException.class, 
() -> SecureXPathFactory.secure(rejectingFactory));
+        Assertions.assertThrows(SecureException.class, () -> 
SecureXPathFactory.secure(rejectingFactory));
     }
 }
diff --git a/src/test/java/org/apache/commons/xml/SecureXPathTest.java 
b/src/test/java/org/apache/commons/xml/SecureXPathTest.java
index b64dae0..0c05576 100644
--- a/src/test/java/org/apache/commons/xml/SecureXPathTest.java
+++ b/src/test/java/org/apache/commons/xml/SecureXPathTest.java
@@ -24,6 +24,7 @@
 
 import java.io.StringReader;
 import java.util.Collections;
+import java.util.Iterator;
 
 import javax.xml.XMLConstants;
 import javax.xml.namespace.NamespaceContext;
@@ -32,6 +33,14 @@
 import org.junit.jupiter.api.Test;
 import org.xml.sax.InputSource;
 
+import javax.xml.namespace.QName;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFunctionResolver;
+import javax.xml.xpath.XPathVariableResolver;
+
 class SecureXPathTest {
 
     @Test
@@ -50,7 +59,7 @@ public String getPrefix(final String namespaceUri) {
             }
 
             @Override
-            public java.util.Iterator<String> getPrefixes(final String 
namespaceUri) {
+            public Iterator<String> getPrefixes(final String namespaceUri) {
                 return Collections.<String>emptyList().iterator();
             }
         };
@@ -62,19 +71,19 @@ public java.util.Iterator<String> getPrefixes(final String 
namespaceUri) {
         assertNotNull(xpath.getXPathVariableResolver());
         assertNotNull(xpath.compile("/root"));
         assertEquals("value", xpath.evaluate("/root/text()", new 
InputSource(new StringReader("<root>value</root>"))));
-        assertEquals("value", xpath.evaluate("/root/text()", new 
InputSource(new StringReader("<root>value</root>")), 
javax.xml.xpath.XPathConstants.STRING));
+        assertEquals("value", xpath.evaluate("/root/text()", new 
InputSource(new StringReader("<root>value</root>")), XPathConstants.STRING));
         assertEquals("value", xpath.evaluate("/root/text()", 
SecureXPath.parse(new InputSource(new StringReader("<root>value</root>")), 
false)));
         assertEquals("value", xpath.evaluate("/root/text()", 
SecureXPath.parse(new InputSource(new StringReader("<root>value</root>")), 
false),
-                javax.xml.xpath.XPathConstants.STRING));
+                XPathConstants.STRING));
         xpath.reset();
     }
 
     @Test
     void preservesANullCompiledExpressionFromTheDelegate() throws Exception {
-        final javax.xml.xpath.XPath delegate = new javax.xml.xpath.XPath() {
+        final XPath delegate = new XPath() {
 
             @Override
-            public javax.xml.xpath.XPathExpression compile(final String 
expression) {
+            public XPathExpression compile(final String expression) {
                 return null;
             }
 
@@ -84,7 +93,7 @@ public String evaluate(final String expression, final 
InputSource source) {
             }
 
             @Override
-            public Object evaluate(final String expression, final InputSource 
source, final javax.xml.namespace.QName returnType) {
+            public Object evaluate(final String expression, final InputSource 
source, final QName returnType) {
                 return null;
             }
 
@@ -94,7 +103,7 @@ public String evaluate(final String expression, final Object 
item) {
             }
 
             @Override
-            public Object evaluate(final String expression, final Object item, 
final javax.xml.namespace.QName returnType) {
+            public Object evaluate(final String expression, final Object item, 
final QName returnType) {
                 return null;
             }
 
@@ -104,12 +113,12 @@ public NamespaceContext getNamespaceContext() {
             }
 
             @Override
-            public javax.xml.xpath.XPathFunctionResolver 
getXPathFunctionResolver() {
+            public XPathFunctionResolver getXPathFunctionResolver() {
                 return null;
             }
 
             @Override
-            public javax.xml.xpath.XPathVariableResolver 
getXPathVariableResolver() {
+            public XPathVariableResolver getXPathVariableResolver() {
                 return null;
             }
 
@@ -122,11 +131,11 @@ public void setNamespaceContext(final NamespaceContext 
context) {
             }
 
             @Override
-            public void setXPathFunctionResolver(final 
javax.xml.xpath.XPathFunctionResolver resolver) {
+            public void setXPathFunctionResolver(final XPathFunctionResolver 
resolver) {
             }
 
             @Override
-            public void setXPathVariableResolver(final 
javax.xml.xpath.XPathVariableResolver resolver) {
+            public void setXPathVariableResolver(final XPathVariableResolver 
resolver) {
             }
         };
         assertNull(new SecureXPath(delegate, false).compile("/root"));
@@ -134,7 +143,7 @@ public void setXPathVariableResolver(final 
javax.xml.xpath.XPathVariableResolver
 
     @Test
     void wrapsParseFailuresAsXPathExpressionExceptions() {
-        final javax.xml.xpath.XPathExpressionException exception = 
assertThrows(javax.xml.xpath.XPathExpressionException.class,
+        final XPathExpressionException exception = 
assertThrows(XPathExpressionException.class,
                 () -> SecureXPath.parse(new InputSource(new 
StringReader("<root>")), false));
         assertNotNull(exception.getCause());
     }
diff --git a/src/test/java/org/apache/commons/xml/XPathInputSourceTest.java 
b/src/test/java/org/apache/commons/xml/XPathInputSourceTest.java
index 423aeac..34bb534 100644
--- a/src/test/java/org/apache/commons/xml/XPathInputSourceTest.java
+++ b/src/test/java/org/apache/commons/xml/XPathInputSourceTest.java
@@ -26,11 +26,13 @@
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
 
+import org.xml.sax.InputSource;
+
 /**
  * Checks that the document parse behind {@code XPath.evaluate(String, 
InputSource)} (and its compiled {@code XPathExpression} counterpart) cannot 
pull in an
  * external general entity.
  *
- * <p>The stock JDK and Apache Xalan implement the {@link 
org.xml.sax.InputSource}-taking {@code evaluate} entry points by provisioning 
an internal document
+ * <p>The stock JDK and Apache Xalan implement the {@link InputSource}-taking 
{@code evaluate} entry points by provisioning an internal document
  * parser that {@code FEATURE_SECURE_PROCESSING} on the {@link XPathFactory} 
does not reach. The {@link SecureXPathFactory} wrapper parses the input
  * through a secure {@code DocumentBuilder} instead, so the external reference 
resolves to empty on the floor, while the
  * evaluation itself still works. Tagged {@code xpath}, so it runs under 
test-stockjdk, test-jdk-xerces, test-xalan and test-xalan-xerces; the Saxon 
engine takes the separate

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