1 files changed, 99 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensiblePackageProcessor.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensiblePackageProcessor.java
new file mode 100644
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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/ExtensiblePackageProcessor.java
@@ -0,0 +1,99 @@
+/*
+ * 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.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.util.List;
+
+import org.apache.tuscany.sca.contribution.service.ContributionException;
+import org.apache.tuscany.sca.contribution.service.TypeDescriber;
+import org.apache.tuscany.sca.contribution.service.UnsupportedPackageTypeException;
+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;
+
+/**
+ * Implementation of an extensible package processor.
+ * 
+ * Takes a package processor extension point and delegates to the proper package
+ * processor from the extension point based on the package's content type.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ExtensiblePackageProcessor implements PackageProcessor {
+
+    private PackageProcessorExtensionPoint processors;
+    private TypeDescriber packageTypeDescriber;
+    private Monitor monitor;
+
+    public ExtensiblePackageProcessor(PackageProcessorExtensionPoint processors, 
+    								  TypeDescriber packageTypeDescriber,
+    								  Monitor monitor) {
+        this.processors = processors; 
+        this.packageTypeDescriber = packageTypeDescriber;
+        this.monitor = monitor;
+    }
+    
+    /**
+     * Marshals errors into the monitor
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    protected void error(String message, Object model, Object... messageParameters) {
+    	if (monitor != null) {
+	        Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+	        monitor.problem(problem);
+    	}
+    }
+
+    public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream) 
+        throws ContributionException, IOException {
+        String packageType = this.packageTypeDescriber.getType(packageSourceURL, null);
+        if (packageType == null) {
+        	error("UnsupportedPackageTypeException", packageTypeDescriber, packageSourceURL.toString());
+            throw new UnsupportedPackageTypeException("Unsupported contribution package type: " + packageSourceURL.toString());
+        }
+
+        PackageProcessor packageProcessor = this.processors.getPackageProcessor(packageType);
+        if (packageProcessor == null) {
+        	error("UnsupportedPackageTypeException", packageTypeDescriber, packageType);
+            throw new UnsupportedPackageTypeException("Unsupported contribution package type: " + packageType);
+        }
+
+        return packageProcessor.getArtifacts(packageSourceURL, inputStream);
+    }
+
+    public URL getArtifactURL(URL packageSourceURL, URI artifact) throws MalformedURLException {
+        String contentType = this.packageTypeDescriber.getType(packageSourceURL, null);
+        PackageProcessor packageProcessor = this.processors.getPackageProcessor(contentType);
+        return packageProcessor.getArtifactURL(packageSourceURL, artifact);
+    }
+    
+    public String getPackageType() {
+        return null;
+    }
+}