1 files changed, 127 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M3-RC3a/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java b/tags/java/sca/2.0-M3-RC3a/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java
new file mode 100644
index 0000000000..401fa7123e
--- /dev/null
+++ b/tags/java/sca/2.0-M3-RC3a/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java
@@ -0,0 +1,127 @@
+/*
+ * 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.assembly.xml;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLConnection;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * A contrainingType content handler.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ConstrainingTypeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<ConstrainingType> {
+    private XMLInputFactory inputFactory;
+
+    /**
+     * Constructs a new constrainingType processor.
+     * @param modelFactories
+     * @param staxProcessor
+     */
+    public ConstrainingTypeDocumentProcessor(FactoryExtensionPoint modelFactories,
+                                             StAXArtifactProcessor staxProcessor,
+                                             Monitor monitor) {
+        super(modelFactories, staxProcessor, monitor);
+        this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class);
+    }
+    
+    public ConstrainingType read(URL contributionURL, URI uri, URL url) throws ContributionReadException {
+        InputStream urlStream = null;
+        try {
+            
+            // Create a stream reader
+            URLConnection connection = url.openConnection();
+            connection.setUseCaches(false);
+            urlStream = connection.getInputStream();
+            XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream);
+            reader.nextTag();
+            
+            // Read the constrainingType model 
+            ConstrainingType constrainingType = (ConstrainingType)extensionProcessor.read(reader);
+
+            // For debugging purposes, write it back to XML
+//            if (constrainingType != null) {
+//                try {
+//                    ByteArrayOutputStream bos = new ByteArrayOutputStream();
+//                    XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();
+//                    outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE);
+//                    extensionProcessor.write(constrainingType, outputFactory.createXMLStreamWriter(bos));
+//                    Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray()));
+//                    OutputFormat format = new OutputFormat();
+//                    format.setIndenting(true);
+//                    format.setIndent(2);
+//                    XMLSerializer serializer = new XMLSerializer(System.out, format);
+//                    serializer.serialize(document);
+//                } catch (Exception e) {
+//                    e.printStackTrace();
+//                }
+//            }
+            
+            return constrainingType;
+            
+        } catch (XMLStreamException e) {
+        	ContributionReadException ce = new ContributionReadException(e);
+        	error("ContributionReadException", inputFactory, ce);
+            throw ce;
+        } catch (IOException e) {
+        	ContributionReadException ce = new ContributionReadException(e);
+        	error("ContributionReadException", inputFactory, ce);
+            throw ce;
+        } finally {
+            try {
+                if (urlStream != null) {
+                    urlStream.close();
+                    urlStream = null;
+                }
+            } catch (IOException ioe) {
+                //ignore
+            }
+        }
+    }
+    
+    public void resolve(ConstrainingType constrainingType, ModelResolver resolver) throws ContributionResolveException {
+        extensionProcessor.resolve(constrainingType, resolver);
+    }
+    
+    public String getArtifactType() {
+        return ".constrainingType";
+    }
+    
+    public Class<ConstrainingType> getModelType() {
+        return ConstrainingType.class;
+    }
+}