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diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java
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+++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.    
+ */
+
+package org.apache.tuscany.sca.contribution.processor;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.net.URL;
+import java.net.URLConnection;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.xml.XMLConstants;
+import javax.xml.stream.EventFilter;
+import javax.xml.stream.StreamFilter;
+import javax.xml.stream.XMLEventReader;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLReporter;
+import javax.xml.stream.XMLResolver;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.util.XMLEventAllocator;
+import javax.xml.transform.Source;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+import org.apache.tuscany.sca.monitor.impl.ProblemImpl;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+/**
+ * Default implementation of an XMLInputFactory that creates validating
+ * XMLStreamReaders.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultValidatingXMLInputFactory extends ValidatingXMLInputFactory {
+    private static final Logger logger = Logger.getLogger(DefaultValidatingXMLInputFactory.class.getName());
+    private XMLInputFactory inputFactory;
+    private ValidationSchemaExtensionPoint schemas;
+    private Monitor monitor;
+    private boolean initialized;
+    private boolean hasSchemas;
+    private Schema aggregatedSchema;
+
+    /**
+     * Constructs a new XMLInputFactory.
+     * 
+     * @param inputFactory
+     * @param schemas
+     */
+    public DefaultValidatingXMLInputFactory(XMLInputFactory inputFactory, ValidationSchemaExtensionPoint schemas, Monitor monitor) {
+        this.inputFactory = inputFactory;
+        this.schemas = schemas;
+        this.monitor = monitor;
+    }
+    
+    /**
+     * Report a exception.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+     private void error(String message, Object model, Exception ex) {
+    	 if (monitor != null) {
+            Problem problem =
+                new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model,
+                                message, ex);
+            monitor.problem(problem);
+        }        
+     }
+    
+    /**
+     * Initialize the registered schemas and create an aggregated schema for
+     * validation.
+     */
+    private void initializeSchemas() {
+        if (initialized) {
+            return;
+        }
+        initialized = true;
+        
+        // Load the XSDs registered in the validation schema extension point
+        try {
+            List<String> uris = schemas.getSchemas();
+            int n = uris.size();
+            if (n ==0) {
+                return;
+            } else {
+                hasSchemas = true;
+            }
+            final Source[] sources = new Source[n];
+            for (int i =0; i < n; i++) {
+                final String uri = uris.get(i);
+                // Allow privileged access to open URL stream. Requires FilePermission in security policy.
+                final URL url = new URL( uri );
+                InputStream urlStream;
+                try {
+                    urlStream = AccessController.doPrivileged(new PrivilegedExceptionAction<InputStream>() {
+                        public InputStream run() throws IOException {
+                            URLConnection connection = url.openConnection();
+                            connection.setUseCaches(false);
+                            return connection.getInputStream();
+                        }
+                    });
+                } catch (PrivilegedActionException e) {
+                    error("PrivilegedActionException", url, (IOException)e.getException());
+                    throw (IOException)e.getException();
+                }
+                sources[i] = new StreamSource(urlStream, uri);
+            }
+            
+            // Create an aggregated validation schemas from all the XSDs
+            final SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+            // Allow privileged access to check files. Requires FilePermission
+            // in security policy.
+            try {
+                aggregatedSchema = AccessController.doPrivileged(new PrivilegedExceptionAction<Schema>() {
+                    public Schema run() throws SAXException {
+                        return schemaFactory.newSchema(sources);
+                    }
+                });
+            } catch (PrivilegedActionException e) {
+            	error("PrivilegedActionException", schemaFactory, (SAXException)e.getException());
+                throw (SAXException)e.getException();
+            }
+
+        } catch (Error e) {
+            // FIXME Log this, some old JDKs don't support XMLSchema validation
+            logger.log(Level.WARNING, "XML Schema validation is not supported: " + e.getMessage());
+        } catch (SAXParseException e) {
+            IllegalStateException ie = new IllegalStateException(e);
+            error("IllegalStateException", schemas, ie);
+            throw ie;
+        } catch (Exception e) {
+            //FIXME Log this, some old JDKs don't support XMLSchema validation
+            logger.log(Level.WARNING, "XML Schema validation is not supported: " + e.getMessage());
+        }
+    }
+
+    @Override
+    public XMLEventReader createFilteredReader(XMLEventReader arg0, EventFilter arg1) throws XMLStreamException {
+        return inputFactory.createFilteredReader(arg0, arg1);
+    }
+
+    @Override
+    public XMLStreamReader createFilteredReader(XMLStreamReader arg0, StreamFilter arg1) throws XMLStreamException {
+        return inputFactory.createFilteredReader(arg0, arg1);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(InputStream arg0, String arg1) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0, arg1);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(InputStream arg0) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(Reader arg0) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(Source arg0) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(String arg0, InputStream arg1) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0, arg1);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(String arg0, Reader arg1) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0, arg1);
+    }
+
+    @Override
+    public XMLEventReader createXMLEventReader(XMLStreamReader arg0) throws XMLStreamException {
+        return inputFactory.createXMLEventReader(arg0);
+    }
+
+    @Override
+    public XMLStreamReader createXMLStreamReader(InputStream arg0, String arg1) throws XMLStreamException {
+        initializeSchemas();
+        if (hasSchemas) {
+            return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor);
+        }else {
+            return inputFactory.createXMLStreamReader(arg0, arg1);
+        }
+    }
+
+    @Override
+    public XMLStreamReader createXMLStreamReader(InputStream arg0) throws XMLStreamException {
+        initializeSchemas();
+        if (hasSchemas) {
+            return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor);
+        } else {
+            return inputFactory.createXMLStreamReader(arg0);
+        }
+    }
+
+    @Override
+    public XMLStreamReader createXMLStreamReader(Reader arg0) throws XMLStreamException {
+        initializeSchemas();
+        if (hasSchemas) {
+            return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor);
+        } else {
+            return inputFactory.createXMLStreamReader(arg0);
+        }
+    }
+
+    @Override
+    public XMLStreamReader createXMLStreamReader(Source arg0) throws XMLStreamException {
+        initializeSchemas();
+        if (hasSchemas) {
+            return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor);
+        } else {
+            return inputFactory.createXMLStreamReader(arg0);
+        }
+    }
+
+    @Override
+    public XMLStreamReader createXMLStreamReader(String arg0, InputStream arg1) throws XMLStreamException {
+        initializeSchemas();
+        if (hasSchemas) {
+            return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor);
+        } else {
+            return inputFactory.createXMLStreamReader(arg0, arg1);
+        }
+    }
+
+    @Override
+    public XMLStreamReader createXMLStreamReader(String arg0, Reader arg1) throws XMLStreamException {
+        initializeSchemas();
+        if (hasSchemas) {
+            return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor);
+        } else {
+            return inputFactory.createXMLStreamReader(arg0, arg1);
+        }
+    }
+
+    @Override
+    public XMLEventAllocator getEventAllocator() {
+        return inputFactory.getEventAllocator();
+    }
+
+    @Override
+    public Object getProperty(String arg0) throws IllegalArgumentException {
+        return inputFactory.getProperty(arg0);
+    }
+
+    @Override
+    public XMLReporter getXMLReporter() {
+        return inputFactory.getXMLReporter();
+    }
+
+    @Override
+    public XMLResolver getXMLResolver() {
+        return inputFactory.getXMLResolver();
+    }
+
+    @Override
+    public boolean isPropertySupported(String arg0) {
+        return inputFactory.isPropertySupported(arg0);
+    }
+
+    @Override
+    public void setEventAllocator(XMLEventAllocator arg0) {
+        inputFactory.setEventAllocator(arg0);
+    }
+
+    @Override
+    public void setProperty(String arg0, Object arg1) throws IllegalArgumentException {
+        inputFactory.setProperty(arg0, arg1);
+    }
+
+    @Override
+    public void setXMLReporter(XMLReporter arg0) {
+        inputFactory.setXMLReporter(arg0);
+    }
+
+    @Override
+    public void setXMLResolver(XMLResolver arg0) {
+        inputFactory.setXMLResolver(arg0);
+    }
+
+}