1 files changed, 152 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/contribution-impl/src/main/java/org/apache/tuscany/sca/contribution/service/impl/ContributionMetadataProcessor.java b/sca-java-1.x/tags/0.99-incubating/modules/contribution-impl/src/main/java/org/apache/tuscany/sca/contribution/service/impl/ContributionMetadataProcessor.java
new file mode 100644
index 0000000000..e4cc2c552f
--- /dev/null
+++ b/sca-java-1.x/tags/0.99-incubating/modules/contribution-impl/src/main/java/org/apache/tuscany/sca/contribution/service/impl/ContributionMetadataProcessor.java
@@ -0,0 +1,152 @@
+/*
+ * 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.service.impl;
+
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+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.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;
+
+/**
+ * Loader that handles contribution metadata files
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ContributionMetadataProcessor implements StAXArtifactProcessor<Contribution> {
+    private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0";
+    private static final String TARGET_NAMESPACE = "targetNamespace";
+    
+    private static final QName CONTRIBUTION = new QName(SCA10_NS, "contribution");
+    private static final QName DEPLOYABLE = new QName(SCA10_NS, "deployable");
+    
+    private final AssemblyFactory assemblyFactory;
+    private final ContributionFactory contributionFactory;
+    
+    private final StAXArtifactProcessor extensionProcessor;
+
+    public ContributionMetadataProcessor(AssemblyFactory assemblyFactory, ContributionFactory contributionFactory, StAXArtifactProcessor extensionProcessor) {
+        super();
+        this.assemblyFactory = assemblyFactory;
+        this.contributionFactory = contributionFactory;
+        this.extensionProcessor = extensionProcessor;
+    }
+    
+    
+    public QName getArtifactType() {
+        return CONTRIBUTION;
+    }
+
+    public Class<Contribution> getModelType() {
+        return Contribution.class;
+    }
+
+    public Contribution read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        Contribution contribution = this.contributionFactory.createContribution();
+        String targetNameSpaceURI = null;
+        QName element = null;
+
+        
+        while (reader.hasNext()) {
+            int event = reader.getEventType();
+            switch (event) {
+                case START_ELEMENT:
+                    element = reader.getName();
+                    
+                    if (CONTRIBUTION.equals(element)) {
+                        targetNameSpaceURI = reader.getAttributeValue(null, TARGET_NAMESPACE);    
+                    } else if (DEPLOYABLE.equals(element)) {
+                        String name = reader.getAttributeValue(null, "composite");
+                        if (name == null) {
+                            throw new ContributionReadException("Attribute 'composite' is missing");
+                        }
+                        QName compositeName = null;
+
+                        int index = name.indexOf(':');
+                        if (index != -1) {
+                            String prefix = name.substring(0, index);
+                            String localPart = name.substring(index + 1);
+                            String ns = reader.getNamespaceContext().getNamespaceURI(prefix);
+                            if (ns == null) {
+                                throw new ContributionReadException("Invalid prefix: " + prefix);
+                            }
+                            compositeName = new QName(targetNameSpaceURI, localPart, prefix);
+                        } else {
+                            String prefix = "";
+                            String localPart = name;
+                            compositeName = new QName(targetNameSpaceURI, localPart, prefix);
+                        }
+
+                        Composite composite = assemblyFactory.createComposite();
+                        composite.setName(compositeName);
+                        composite.setUnresolved(true);
+                        
+                        contribution.getDeployables().add(composite);
+                    } else{
+                        //process extension
+                        Object extension = extensionProcessor.read(reader);
+                        if (extension != 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.equals(reader.getName())) {
+                        return contribution;
+                    }
+                    break;        
+            }
+            
+            //Read the next element
+            if (reader.hasNext()) {
+                reader.next();
+            }
+        }
+        
+        return contribution;
+    }
+
+    public void write(Contribution model, XMLStreamWriter outputSource) throws ContributionWriteException, XMLStreamException {
+        // TODO Auto-generated method stub
+        
+    }
+
+    public void resolve(Contribution model, ModelResolver resolver) throws ContributionResolveException {
+        // TODO Auto-generated method stub
+        
+    }
+}