1 files changed, 119 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/modules/implementation-node/src/main/java/org/apache/tuscany/sca/implementation/node/xml/NodeImplementationProcessor.java b/tags/java/sca/1.5.1/modules/implementation-node/src/main/java/org/apache/tuscany/sca/implementation/node/xml/NodeImplementationProcessor.java
new file mode 100644
index 0000000000..201354f89c
--- /dev/null
+++ b/tags/java/sca/1.5.1/modules/implementation-node/src/main/java/org/apache/tuscany/sca/implementation/node/xml/NodeImplementationProcessor.java
@@ -0,0 +1,119 @@
+/*
+ * 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.implementation.node.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
+import org.apache.tuscany.sca.implementation.node.NodeImplementation;
+import org.apache.tuscany.sca.implementation.node.NodeImplementationFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+
+/**
+ * Implements a StAX artifact processor for node implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+public class NodeImplementationProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<NodeImplementation> {
+    private static final QName IMPLEMENTATION_NODE = new QName(Constants.SCA10_TUSCANY_NS, "implementation.node");
+    
+    private AssemblyFactory assemblyFactory;
+    private NodeImplementationFactory implementationFactory;
+    
+    public NodeImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        this.assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        this.implementationFactory = modelFactories.getFactory(NodeImplementationFactory.class);
+    }
+
+    public QName getArtifactType() {
+        // Returns the QName of the XML element processed by this processor
+        return IMPLEMENTATION_NODE;
+    }
+
+    public Class<NodeImplementation> getModelType() {
+        // Returns the type of model processed by this processor
+        return NodeImplementation.class;
+    }
+
+    public NodeImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        
+        // Read an <implementation.node> element
+        NodeImplementation implementation = implementationFactory.createNodeImplementation();
+        implementation.setUnresolved(false);
+
+        // Read the composite attribute
+        QName qname = getQName(reader, "composite");
+        if (qname != null) {
+            Composite composite = assemblyFactory.createComposite();
+            composite.setName(qname);
+            String uri = getString(reader, "uri");
+            composite.setURI(uri);
+            composite.setUnresolved(true);
+            implementation.setComposite(composite);
+        }
+
+        // Skip to end element
+        while (reader.hasNext()) {
+            if (reader.next() == END_ELEMENT && IMPLEMENTATION_NODE.equals(reader.getName())) {
+                break;
+            }
+        }
+        
+        return implementation;
+    }
+
+    public void resolve(NodeImplementation implementation, ModelResolver resolver) throws ContributionResolveException {
+        // We do not need to resolve the referenced composites here
+        // Nodes and application composites are not in the same composition tree
+    }
+
+    public void write(NodeImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+        
+        // Write <implementation.node>
+        Composite composite = implementation.getComposite();
+        QName qname;
+        String uri;
+        if (composite != null) {
+            qname = composite.getName();
+            uri = composite.getURI();
+        } else {
+            qname = null;
+            uri = null;
+        }
+        writeStart(writer, IMPLEMENTATION_NODE.getNamespaceURI(), IMPLEMENTATION_NODE.getLocalPart(),
+                                 new XAttr("composite", qname), new XAttr("uri", uri));
+        
+        writeEnd(writer);
+    }
+}