jaxp/src/com/sun/org/apache/xalan/internal/xsltc/trax/TrAXFilter.java
changeset 12457 c348e06f0e82
parent 6 7f561c08de6b
child 12458 d601e4bba306
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/com/sun/org/apache/xalan/internal/xsltc/trax/TrAXFilter.java	Thu Apr 12 08:38:26 2012 -0700
@@ -0,0 +1,146 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 2001-2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * $Id: TrAXFilter.java,v 1.2.4.1 2005/09/06 12:23:19 pvedula Exp $
+ */
+
+
+package com.sun.org.apache.xalan.internal.xsltc.trax;
+
+import java.io.IOException;
+
+import javax.xml.XMLConstants;
+import javax.xml.parsers.FactoryConfigurationError;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.transform.ErrorListener;
+import javax.xml.transform.Templates;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.sax.SAXResult;
+
+import com.sun.org.apache.xml.internal.utils.XMLReaderManager;
+
+import org.xml.sax.ContentHandler;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.XMLReader;
+import org.xml.sax.helpers.XMLFilterImpl;
+import org.xml.sax.helpers.XMLReaderFactory;
+
+/**
+ * skeleton extension of XMLFilterImpl for now.
+ * @author Santiago Pericas-Geertsen
+ * @author G. Todd Miller
+ */
+public class TrAXFilter extends XMLFilterImpl {
+    private Templates              _templates;
+    private TransformerImpl        _transformer;
+    private TransformerHandlerImpl _transformerHandler;
+
+    public TrAXFilter(Templates templates)  throws
+        TransformerConfigurationException
+    {
+        _templates = templates;
+        _transformer = (TransformerImpl) templates.newTransformer();
+        _transformerHandler = new TransformerHandlerImpl(_transformer);
+    }
+
+    public Transformer getTransformer() {
+        return _transformer;
+    }
+
+    private void createParent() throws SAXException {
+        XMLReader parent = null;
+        try {
+            SAXParserFactory pfactory = SAXParserFactory.newInstance();
+            pfactory.setNamespaceAware(true);
+
+            if (_transformer.isSecureProcessing()) {
+                try {
+                    pfactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
+                }
+                catch (SAXException e) {}
+            }
+
+            SAXParser saxparser = pfactory.newSAXParser();
+            parent = saxparser.getXMLReader();
+        }
+        catch (ParserConfigurationException e) {
+            throw new SAXException(e);
+        }
+        catch (FactoryConfigurationError e) {
+            throw new SAXException(e.toString());
+        }
+
+        if (parent == null) {
+            parent = XMLReaderFactory.createXMLReader();
+        }
+
+        // make this XMLReader the parent of this filter
+        setParent(parent);
+    }
+
+    public void parse (InputSource input) throws SAXException, IOException
+    {
+        XMLReader managedReader = null;
+
+        try {
+            if (getParent() == null) {
+                try {
+                    managedReader = XMLReaderManager.getInstance()
+                                                    .getXMLReader();
+                    setParent(managedReader);
+                } catch (SAXException  e) {
+                    throw new SAXException(e.toString());
+                }
+            }
+
+            // call parse on the parent
+            getParent().parse(input);
+        } finally {
+            if (managedReader != null) {
+                XMLReaderManager.getInstance().releaseXMLReader(managedReader);
+            }
+        }
+    }
+
+    public void parse (String systemId) throws SAXException, IOException
+    {
+        parse(new InputSource(systemId));
+    }
+
+    public void setContentHandler (ContentHandler handler)
+    {
+        _transformerHandler.setResult(new SAXResult(handler));
+        if (getParent() == null) {
+                try {
+                    createParent();
+                }
+                catch (SAXException  e) {
+                   return;
+                }
+        }
+        getParent().setContentHandler(_transformerHandler);
+    }
+
+    public void setErrorListener (ErrorListener handler) { }
+}