Move to Xerces parser - needs some context loader setup

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272877 13f79535-47bb-0310-9956-ffa450edef68

proposal/mutant/src/java/antcore/org/apache/ant/antcore/xml/ElementHandler.java

@@ -341,10 +341,15 @@ public abstract class ElementHandler extends DefaultHandler {
             }
             String localName = attributes.getLocalName(i);
             String qName = attributes.getQName(i);
-            if (uri == null && qName.indexOf(":") != -1) {
-                // try to resolve through known namespaces
-                uri = context.resolveNamespace(qName);
-                localName = qName.substring(qName.indexOf(":") + 1);
+            
+            if (uri == null) {
+                if (qName.indexOf(":") != -1) {
+                    // try to resolve through known namespaces
+                    uri = context.resolveNamespace(qName);
+                    localName = qName.substring(qName.indexOf(":") + 1);
+                } else {
+                    localName = qName;
+                }
             }
 
             String attributeValue = attributes.getValue(i);

proposal/mutant/src/java/antcore/org/apache/ant/antcore/xml/ParseContext.java

@@ -86,8 +86,19 @@ public class ParseContext {
          = new CircularDependencyChecker("parsing XML");
 
     /** The factory used to create SAX parsers. */
-    private SAXParserFactory parserFactory = SAXParserFactory.newInstance();
+    private SAXParserFactory parserFactory;
 
+    public ParseContext() {
+        Thread thread = Thread.currentThread();
+        ClassLoader currentContextLoader = thread.getContextClassLoader();
+        try {
+            ClassLoader thisLoader = this.getClass().getClassLoader();
+            thread.setContextClassLoader(thisLoader);
+            parserFactory = SAXParserFactory.newInstance();
+        } finally {
+            thread.setContextClassLoader(currentContextLoader);
+        }
+    }
 
     /**
      * Parse a URL using the given root handler
@@ -119,7 +130,18 @@ public class ParseContext {
             checker.visitNode(source);
 
             // create a parser for this source
-            SAXParser saxParser = parserFactory.newSAXParser();
+            SAXParser saxParser = null;
+            
+            Thread thread = Thread.currentThread();
+            ClassLoader currentContextLoader = thread.getContextClassLoader();
+            try {
+                ClassLoader thisLoader = this.getClass().getClassLoader();
+                thread.setContextClassLoader(thisLoader);
+                saxParser = parserFactory.newSAXParser();
+            } finally {
+                thread.setContextClassLoader(currentContextLoader);
+            }
+            
             XMLReader xmlReader = saxParser.getXMLReader();
 
             // create a root handler for this