dmitri 2004/06/29 14:15:46
Modified: jxpath/src/java/org/apache/commons/jxpath JXPathContext.java
Log:
Added selectNodes and selectSingleNode methods
Revision Changes Path
1.25 +37 -1
jakarta-commons/jxpath/src/java/org/apache/commons/jxpath/JXPathContext.java
Index: JXPathContext.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/jxpath/src/java/org/apache/commons/jxpath/JXPathContext.java,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -r1.24 -r1.25
--- JXPathContext.java 4 Apr 2004 23:16:23 -0000 1.24
+++ JXPathContext.java 29 Jun 2004 21:15:46 -0000 1.25
@@ -16,8 +16,10 @@
package org.apache.commons.jxpath;
import java.text.DecimalFormatSymbols;
+import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
+import java.util.List;
import java.util.Locale;
/**
@@ -623,6 +625,40 @@
*/
protected abstract CompiledExpression compilePath(String xpath);
+ /**
+ * Finds the first object that matches the specified XPath. It is equivalent
+ * to <code>getPointer(xpath).getNode()</code>. Note, that this method
+ * produces the same result as <code>getValue()</code> on object models
+ * like JavaBeans, but a different result for DOM/JDOM etc., because it
+ * returns the Node itself, rather than its textual contents.
+ *
+ * @param xpath the xpath to be evaluated
+ * @return the found object
+ */
+ public Object selectSingleNode(String xpath) {
+ Pointer pointer = getPointer(xpath);
+ if (pointer == null) {
+ return null;
+ }
+ return pointer.getNode();
+ }
+
+ /**
+ * Finds all nodes that match the specified XPath.
+ *
+ * @param xpath the xpath to be evaluated
+ * @return a list of found objects
+ */
+ public List selectNodes(String xpath) {
+ ArrayList list = new ArrayList();
+ Iterator iterator = iteratePointers(xpath);
+ while (iterator.hasNext()) {
+ Pointer pointer = (Pointer) iterator.next();
+ list.add(pointer.getNode());
+ }
+ return list;
+ }
+
/**
* Evaluates the xpath and returns the resulting object. Primitive
* types are wrapped into objects.
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