This is an automated email from the ASF dual-hosted git repository.
rmannibucau pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/openjpa.git
The following commit(s) were added to refs/heads/master by this push:
new beb1255 extracting directory enhancement logic in a runnable for
junit5 module to be able to reuse it easily
beb1255 is described below
commit beb125500f10b77cca8d40b88d23252af78fae21
Author: Romain Manni-Bucau <rmannibu...@gmail.com>
AuthorDate: Tue Mar 31 09:28:32 2020 +0200
extracting directory enhancement logic in a runnable for junit5 module to
be able to reuse it easily
---
...ension.java => OpenJPADirectoriesEnhancer.java} | 98 ++++---
.../openjpa/junit5/internal/OpenJPAExtension.java | 318 +--------------------
2 files changed, 56 insertions(+), 360 deletions(-)
diff --git
a/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
b/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPADirectoriesEnhancer.java
similarity index 84%
copy from
openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
copy to
openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPADirectoriesEnhancer.java
index 2478cad..7c62942 100644
---
a/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
+++
b/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPADirectoriesEnhancer.java
@@ -22,7 +22,6 @@ import org.apache.openjpa.conf.OpenJPAConfigurationImpl;
import org.apache.openjpa.enhance.AsmAdaptor;
import org.apache.openjpa.enhance.PCEnhancer;
import org.apache.openjpa.enhance.PersistenceCapable;
-import org.apache.openjpa.junit5.OpenJPASupport;
import org.apache.openjpa.lib.log.LogFactory;
import org.apache.openjpa.lib.log.LogFactoryImpl;
import org.apache.openjpa.lib.log.SLF4JLogFactory;
@@ -33,9 +32,6 @@ import org.apache.xbean.asm7.ClassReader;
import org.apache.xbean.asm7.Type;
import org.apache.xbean.asm7.shade.commons.EmptyVisitor;
import org.apache.xbean.finder.ClassLoaders;
-import org.junit.jupiter.api.extension.BeforeAllCallback;
-import org.junit.jupiter.api.extension.ExtensionContext;
-import org.junit.platform.commons.util.AnnotationUtils;
import serp.bytecode.BCClass;
import serp.bytecode.Project;
@@ -47,7 +43,6 @@ import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
-import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
@@ -66,53 +61,62 @@ import static org.apache.xbean.asm7.ClassReader.SKIP_CODE;
import static org.apache.xbean.asm7.ClassReader.SKIP_DEBUG;
import static org.apache.xbean.asm7.ClassReader.SKIP_FRAMES;
-public class OpenJPAExtension implements BeforeAllCallback {
- private static final Logger LOGGER =
Logger.getLogger(OpenJPAExtension.class.getName());
+public class OpenJPADirectoriesEnhancer implements Runnable {
+ private static final Logger LOGGER =
Logger.getLogger(OpenJPADirectoriesEnhancer.class.getName());
+ public static final StackTraceElement[] NO_STACK_TRACE = new
StackTraceElement[0];
+
+ private final boolean auto;
+ private final String[] entities;
+ private final Class<?> logFactory;
+
+ public OpenJPADirectoriesEnhancer(final boolean auto, final String[]
entities, final Class<?> logFactory) {
+ this.auto = auto;
+ this.entities = entities;
+ this.logFactory = logFactory;
+ }
@Override
- public void beforeAll(final ExtensionContext context) {
- AnnotationUtils.findAnnotation(context.getElement(),
OpenJPASupport.class).ifPresent(s -> {
- final ClassLoader classLoader =
Thread.currentThread().getContextClassLoader();
- final OpenJpaClassLoader enhancementClassLoader = new
OpenJpaClassLoader(
- classLoader, createLogFactory(classLoader,
s.logFactory()));
- final Thread thread = Thread.currentThread();
- thread.setContextClassLoader(enhancementClassLoader);
- try {
- if (s.auto()) {
+ public void run() {
+ final ClassLoader classLoader =
Thread.currentThread().getContextClassLoader();
+ final OpenJpaClassLoader enhancementClassLoader = new
OpenJpaClassLoader(
+ classLoader, createLogFactory(classLoader));
+ final Thread thread = Thread.currentThread();
+ thread.setContextClassLoader(enhancementClassLoader);
+ try {
+ if (auto) {
+ try {
+
ClassLoaders.findUrls(enhancementClassLoader.getParent()).stream()
+ .map(org.apache.xbean.finder.util.Files::toFile)
+ .filter(File::isDirectory)
+ .map(File::toPath)
+ .forEach(dir -> {
+ LOGGER.fine(() -> "Enhancing folder '" + dir +
"'");
+ try {
+ enhanceDirectory(enhancementClassLoader,
dir);
+ } catch (final IOException e) {
+ throw new IllegalStateException(e);
+ }
+ });
+ } catch (final IOException e) {
+ throw new IllegalStateException(e);
+ }
+ } else {
+ Stream.of(entities).forEach(e -> {
try {
-
ClassLoaders.findUrls(enhancementClassLoader.getParent()).stream()
-
.map(org.apache.xbean.finder.util.Files::toFile)
- .filter(File::isDirectory)
- .map(File::toPath)
- .forEach(dir -> {
- LOGGER.fine(() -> "Enhancing folder '" +
dir + "'");
- try {
-
enhanceDirectory(enhancementClassLoader, dir);
- } catch (final IOException e) {
- throw new IllegalStateException(e);
- }
- });
- } catch (final IOException e) {
- throw new IllegalStateException(e);
+ enhancementClassLoader.loadClass(e);
+ } catch (final ClassNotFoundException e1) {
+ throw new IllegalArgumentException(e1);
}
- } else {
- Stream.of(s.entities()).forEach(e -> {
- try {
- enhancementClassLoader.loadClass(e);
- } catch (final ClassNotFoundException e1) {
- throw new IllegalArgumentException(e1);
- }
- });
- }
- } finally {
-
thread.setContextClassLoader(enhancementClassLoader.getParent());
+ });
}
- });
+ } finally {
+ thread.setContextClassLoader(enhancementClassLoader.getParent());
+ }
}
- private LogFactory createLogFactory(final ClassLoader classLoader, final
Class<?> logFactory) {
+ private LogFactory createLogFactory(final ClassLoader classLoader) {
try {
- if (logFactory == LogFactory.class) {
+ if (logFactory == null || logFactory == LogFactory.class) {
try {
return new SLF4JLogFactory();
} catch (final Error | Exception e) {
@@ -343,8 +347,14 @@ public class OpenJPAExtension implements BeforeAllCallback
{
}
private static class MissingEnhancement extends RuntimeException {
+ private MissingEnhancement() {
+ setStackTrace(NO_STACK_TRACE);
+ }
}
private static class AlreadyEnhanced extends RuntimeException {
+ private AlreadyEnhanced() {
+ setStackTrace(NO_STACK_TRACE);
+ }
}
}
diff --git
a/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
b/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
index 2478cad..2cacd5e 100644
---
a/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
+++
b/openjpa-junit5/src/main/java/org/apache/openjpa/junit5/internal/OpenJPAExtension.java
@@ -18,333 +18,19 @@
*/
package org.apache.openjpa.junit5.internal;
-import org.apache.openjpa.conf.OpenJPAConfigurationImpl;
-import org.apache.openjpa.enhance.AsmAdaptor;
-import org.apache.openjpa.enhance.PCEnhancer;
-import org.apache.openjpa.enhance.PersistenceCapable;
import org.apache.openjpa.junit5.OpenJPASupport;
-import org.apache.openjpa.lib.log.LogFactory;
-import org.apache.openjpa.lib.log.LogFactoryImpl;
-import org.apache.openjpa.lib.log.SLF4JLogFactory;
-import org.apache.openjpa.meta.MetaDataRepository;
-import org.apache.openjpa.persistence.PersistenceMetaDataFactory;
-import org.apache.xbean.asm7.AnnotationVisitor;
-import org.apache.xbean.asm7.ClassReader;
-import org.apache.xbean.asm7.Type;
-import org.apache.xbean.asm7.shade.commons.EmptyVisitor;
-import org.apache.xbean.finder.ClassLoaders;
import org.junit.jupiter.api.extension.BeforeAllCallback;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.platform.commons.util.AnnotationUtils;
-import serp.bytecode.BCClass;
-import serp.bytecode.Project;
-import javax.persistence.Embeddable;
-import javax.persistence.Entity;
-import javax.persistence.MappedSuperclass;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.reflect.InvocationTargetException;
-import java.net.URL;
-import java.nio.file.FileVisitResult;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.SimpleFileVisitor;
-import java.nio.file.StandardOpenOption;
-import java.nio.file.attribute.BasicFileAttributes;
-import java.util.ArrayList;
-import java.util.Collection;
import java.util.logging.Logger;
-import java.util.stream.Stream;
-
-import static java.util.Arrays.asList;
-import static org.apache.xbean.asm7.ClassReader.SKIP_CODE;
-import static org.apache.xbean.asm7.ClassReader.SKIP_DEBUG;
-import static org.apache.xbean.asm7.ClassReader.SKIP_FRAMES;
public class OpenJPAExtension implements BeforeAllCallback {
private static final Logger LOGGER =
Logger.getLogger(OpenJPAExtension.class.getName());
@Override
public void beforeAll(final ExtensionContext context) {
- AnnotationUtils.findAnnotation(context.getElement(),
OpenJPASupport.class).ifPresent(s -> {
- final ClassLoader classLoader =
Thread.currentThread().getContextClassLoader();
- final OpenJpaClassLoader enhancementClassLoader = new
OpenJpaClassLoader(
- classLoader, createLogFactory(classLoader,
s.logFactory()));
- final Thread thread = Thread.currentThread();
- thread.setContextClassLoader(enhancementClassLoader);
- try {
- if (s.auto()) {
- try {
-
ClassLoaders.findUrls(enhancementClassLoader.getParent()).stream()
-
.map(org.apache.xbean.finder.util.Files::toFile)
- .filter(File::isDirectory)
- .map(File::toPath)
- .forEach(dir -> {
- LOGGER.fine(() -> "Enhancing folder '" +
dir + "'");
- try {
-
enhanceDirectory(enhancementClassLoader, dir);
- } catch (final IOException e) {
- throw new IllegalStateException(e);
- }
- });
- } catch (final IOException e) {
- throw new IllegalStateException(e);
- }
- } else {
- Stream.of(s.entities()).forEach(e -> {
- try {
- enhancementClassLoader.loadClass(e);
- } catch (final ClassNotFoundException e1) {
- throw new IllegalArgumentException(e1);
- }
- });
- }
- } finally {
-
thread.setContextClassLoader(enhancementClassLoader.getParent());
- }
- });
- }
-
- private LogFactory createLogFactory(final ClassLoader classLoader, final
Class<?> logFactory) {
- try {
- if (logFactory == LogFactory.class) {
- try {
- return new SLF4JLogFactory();
- } catch (final Error | Exception e) {
- return new LogFactoryImpl();
- }
- }
- return
logFactory.asSubclass(LogFactory.class).getConstructor().newInstance();
- } catch (final RuntimeException e) {
- throw e;
- } catch (final Exception e) {
- throw new IllegalStateException(e);
- }
- }
-
- private void enhanceDirectory(final OpenJpaClassLoader
enhancementClassLoader, final Path dir) throws IOException {
- Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
- @Override
- public FileVisitResult visitFile(final Path file, final
BasicFileAttributes attrs) throws IOException {
- if (file.getFileName().toString().endsWith(".class")) {
- final String relativeName =
dir.relativize(file).toString();
- try {
- enhancementClassLoader.handleEnhancement(
- relativeName.substring(0,
relativeName.length() - ".class".length()));
- } catch (final ClassNotFoundException e) {
- throw new IllegalStateException(e);
- }
- }
- return super.visitFile(file, attrs);
- }
- });
- }
-
- private static abstract class BaseClassLoader extends ClassLoader {
- private BaseClassLoader(final ClassLoader parent) {
- super(parent);
- }
-
- protected abstract Class<?> doLoadClass(String name, boolean resolve)
throws ClassNotFoundException;
-
- @Override
- protected Class<?> loadClass(final String name, final boolean resolve)
throws ClassNotFoundException {
- if (name != null && !name.startsWith("java") &&
!name.startsWith("sun") && !name.startsWith("jdk")) {
- return doLoadClass(name, resolve);
- }
- return defaultLoadClass(name, resolve);
- }
-
- protected Class<?> defaultLoadClass(final String name, final boolean
resolve) throws ClassNotFoundException {
- return super.loadClass(name, resolve);
- }
-
- protected byte[] loadBytes(final String name) {
- final URL url = findUrl(name);
- if (url == null || "jar".equals(url.getProtocol()) /*assume done
in build*/) {
- return null;
- }
- byte[] buffer = new byte[4096];
- final ByteArrayOutputStream inMem = new
ByteArrayOutputStream(buffer.length);
- try (final InputStream is = url.openStream()) {
- int read;
- while ((read = is.read(buffer)) >= 0) {
- if (read > 0) {
- inMem.write(buffer, 0, read);
- }
- }
- } catch (final IOException e) {
- throw new IllegalStateException(e);
- }
- return inMem.toByteArray();
- }
-
- protected URL findUrl(final String name) {
- return getResource(name.replace('.', '/') + ".class");
- }
- }
-
- private static class OpenJpaClassLoader extends BaseClassLoader {
- private static final String PERSITENCE_CAPABLE =
Type.getDescriptor(PersistenceCapable.class);
- private static final String ENTITY = Type.getDescriptor(Entity.class);
- private static final String EMBEDDABLE =
Type.getDescriptor(Embeddable.class);
- private static final String MAPPED_SUPERCLASS =
Type.getDescriptor(MappedSuperclass.class);
-
- private final MetaDataRepository repos;
- private final ClassLoader tmpLoader;
- private final Collection<String> alreadyEnhanced = new ArrayList<>();
-
- private OpenJpaClassLoader(final ClassLoader parent, final LogFactory
logFactory) {
- super(parent);
-
- final OpenJPAConfigurationImpl conf = new
OpenJPAConfigurationImpl();
- conf.setLogFactory(logFactory);
-
- tmpLoader = new CompanionLoader(parent);
- repos = new MetaDataRepository();
- repos.setConfiguration(conf);
- repos.setMetaDataFactory(new PersistenceMetaDataFactory());
- }
-
- @Override
- protected synchronized Class<?> doLoadClass(final String name, final
boolean resolve) throws ClassNotFoundException {
- final Class<?> clazz = findLoadedClass(name);
- if (clazz != null) {
- if (resolve) {
- resolveClass(clazz);
- }
- return clazz;
- }
- handleEnhancement(name);
- return defaultLoadClass(name, resolve);
- }
-
- private void handleEnhancement(final String name) throws
ClassNotFoundException {
- final byte[] enhanced = ensureEnhancedIfNeeded(name);
- if (enhanced != null && alreadyEnhanced.add(name)) {
- // we could do that but test classes will be loaded with
parent loader
- // so just rewrite the class on the fly assuming it was not
yet read
- try {
- Files.write(findTarget(name), enhanced,
StandardOpenOption.TRUNCATE_EXISTING);
- LOGGER.info(() -> "Enhanced '" + name + "'");
- } catch (final IOException e) {
- throw new ClassNotFoundException(e.getMessage(), e);
- }
- }
- }
-
- private Path findTarget(final String name) {
- final URL url = findUrl(name);
- if (!"file".equals(url.getProtocol())) {
- throw new IllegalStateException("Only file urls are supported
today: " + url);
- }
- return Paths.get(url.getPath());
- }
-
- private byte[] enhance(final byte[] classBytes) {
- final Thread thread = Thread.currentThread();
- final ClassLoader old = thread.getContextClassLoader();
- thread.setContextClassLoader(tmpLoader);
- try (final InputStream stream = new
ByteArrayInputStream(classBytes)) {
- final PCEnhancer enhancer = new PCEnhancer(
- repos.getConfiguration(),
- new Project().loadClass(stream, tmpLoader),
- repos, tmpLoader);
- if (enhancer.run() == PCEnhancer.ENHANCE_NONE) {
- return null;
- }
- final BCClass pcb = enhancer.getPCBytecode();
- return AsmAdaptor.toByteArray(pcb, pcb.toByteArray());
- } catch (final IOException e) {
- throw new IllegalStateException(e);
- } finally {
- thread.setContextClassLoader(old);
- }
- }
-
- private boolean isJpaButNotEnhanced(final byte[] classBytes) {
- try (final InputStream stream = new
ByteArrayInputStream(classBytes)) {
- final ClassReader reader = new ClassReader(stream);
- reader.accept(new EmptyVisitor() {
- @Override
- public void visit(final int version, final int access,
final String name,
- final String signature, final String
superName, final String[] interfaces) {
- if (interfaces != null &&
asList(interfaces).contains(PERSITENCE_CAPABLE)) {
- throw new AlreadyEnhanced(); // exit
- }
- super.visit(version, access, name, signature,
superName, interfaces);
- }
-
- @Override
- public AnnotationVisitor visitAnnotation(final String
descriptor, final boolean visible) {
- if (ENTITY.equals(descriptor) ||
- EMBEDDABLE.equals(descriptor) ||
- MAPPED_SUPERCLASS.equals(descriptor)) {
- throw new MissingEnhancement(); // we already went
into visit() so we miss the enhancement
- }
- return new EmptyVisitor().visitAnnotation(descriptor,
visible);
- }
- }, SKIP_DEBUG + SKIP_CODE + SKIP_FRAMES);
- return false;
- } catch (final IOException e) {
- throw new IllegalStateException(e);
- } catch (final AlreadyEnhanced alreadyEnhanced) {
- return false;
- } catch (final MissingEnhancement alreadyEnhanced) {
- return true;
- }
- }
-
- private byte[] ensureEnhancedIfNeeded(final String name) {
- final byte[] classBytes = loadBytes(name);
- if (classBytes == null) {
- return null;
- }
- if (isJpaButNotEnhanced(classBytes)) {
- final byte[] enhanced = enhance(classBytes);
- if (enhanced != null) {
- return enhanced;
- }
- LOGGER.info("'" + name + "' already enhanced");
- }
- return null;
- }
- }
-
- private static class CompanionLoader extends BaseClassLoader {
- private CompanionLoader(final ClassLoader parent) {
- super(parent);
- }
-
- @Override
- protected Class<?> doLoadClass(final String name, final boolean
resolve) throws ClassNotFoundException {
- final Class<?> clazz = findLoadedClass(name);
- if (clazz != null) {
- if (resolve) {
- resolveClass(clazz);
- }
- return clazz;
- }
- final byte[] content = loadBytes(name);
- if (content != null) {
- final Class<?> value = super.defineClass(name, content, 0,
content.length);
- if (resolve) {
- resolveClass(value);
- }
- return value;
- }
- return defaultLoadClass(name, resolve);
- }
- }
-
- private static class MissingEnhancement extends RuntimeException {
- }
-
- private static class AlreadyEnhanced extends RuntimeException {
+ AnnotationUtils.findAnnotation(context.getElement(),
OpenJPASupport.class)
+ .ifPresent(s -> new OpenJPADirectoriesEnhancer(s.auto(),
s.entities(), s.logFactory()).run());
}
}
