1 files changed, 176 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionMetadataProcessor.java b/sca-java-1.x/branches/sca-java-1.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionMetadataProcessor.java
new file mode 100644
index 0000000000..5a7ab9d226
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionMetadataProcessor.java
@@ -0,0 +1,176 @@
+/*
+ * 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.xml;
+
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import java.util.List;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamConstants;
+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.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.Export;
+import org.apache.tuscany.sca.contribution.Import;
+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;
+
+/**
+ * Processor for contribution metadata
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ContributionMetadataProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<Contribution> {
+    
+    private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0";
+    
+    private static final QName CONTRIBUTION_QNAME = new QName(SCA10_NS, "contribution");
+    private static final QName DEPLOYABLE_QNAME = new QName(SCA10_NS, "deployable");
+    
+    private final AssemblyFactory assemblyFactory;
+    private final ContributionFactory contributionFactory;
+    
+    private final StAXArtifactProcessor<Object> extensionProcessor;
+
+    public ContributionMetadataProcessor(AssemblyFactory assemblyFactory, ContributionFactory contributionFactory, StAXArtifactProcessor<Object> extensionProcessor) {
+        this.assemblyFactory = assemblyFactory;
+        this.contributionFactory = contributionFactory;
+        this.extensionProcessor = extensionProcessor;
+    }
+    
+    
+    public QName getArtifactType() {
+        return CONTRIBUTION_QNAME;
+    }
+
+    public Class<Contribution> getModelType() {
+        return Contribution.class;
+    }
+
+    public Contribution read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        Contribution contribution = null;
+        QName name = null;
+        
+        while (reader.hasNext()) {
+            int event = reader.getEventType();
+            switch (event) {
+                case START_ELEMENT:
+                    name = reader.getName();
+                    
+                    if (CONTRIBUTION_QNAME.equals(name)) {
+
+                        // Read <contribution>
+                        contribution = this.contributionFactory.createContribution();
+                        contribution.setUnresolved(true);
+                        
+                    } else if (DEPLOYABLE_QNAME.equals(name)) {
+                        
+                        
+                        // Read <deployable>
+                        QName compositeName = getQName(reader, "composite");
+                        if (compositeName == null) {
+                            throw new ContributionReadException("Attribute 'composite' is missing");
+                        }
+
+                        if (contribution != null) {
+                            Composite composite = assemblyFactory.createComposite();
+                            composite.setName(compositeName);
+                            composite.setUnresolved(true);
+                            contribution.getDeployables().add(composite);
+                            
+                        }
+                    } else{
+
+                        // Read an extension element
+                        Object extension = extensionProcessor.read(reader);
+                        if (extension != null && contribution != null) {
+                            if (extension instanceof Import) {
+                                contribution.getImports().add((Import)extension);
+                            } else if (extension instanceof Export) {
+                                contribution.getExports().add((Export)extension);
+                            }
+                        }
+                    }
+                    break;
+                    
+                case XMLStreamConstants.END_ELEMENT:
+                    if (CONTRIBUTION_QNAME.equals(reader.getName())) {
+                        return contribution;
+                    }
+                    break;        
+            }
+            
+            //Read the next element
+            if (reader.hasNext()) {
+                reader.next();
+            }
+        }
+        
+        return contribution;
+    }
+
+    public void write(Contribution contribution, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+        
+        // Write <contribution>
+        writeStartDocument(writer, CONTRIBUTION_QNAME.getNamespaceURI(), CONTRIBUTION_QNAME.getLocalPart());
+
+        // Write <import>
+        for (Import imp: contribution.getImports()) {
+            extensionProcessor.write(imp, writer);
+        }
+        
+        // Write <export>
+        for (Export export: contribution.getExports()) {
+            extensionProcessor.write(export, writer);
+        }
+    
+        // Write <deployable>
+        for (Composite deployable: contribution.getDeployables()) {
+            writeStart(writer, DEPLOYABLE_QNAME.getNamespaceURI(), DEPLOYABLE_QNAME.getLocalPart(),
+                       new XAttr("composite", deployable.getName()));
+            writeEnd(writer);
+        }
+        
+        writeEndDocument(writer);
+    }
+
+    public void resolve(Contribution model, ModelResolver resolver) throws ContributionResolveException {
+        model.setUnresolved(false);
+        
+        // Resolve deployable composites
+        List<Composite> deployables = model.getDeployables();
+        for (int i = 0, n = deployables.size(); i < n; i++) {
+            Composite deployable = deployables.get(i);
+            Composite resolved = (Composite)resolver.resolveModel(Composite.class, deployable);
+            if (resolved != deployable) {
+                deployables.set(i, resolved);
+            }
+        }
+    }
+}