1 files changed, 148 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleURLArtifactProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleURLArtifactProcessor.java
new file mode 100644
index 0000000000..2491e22a29
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/ExtensibleURLArtifactProcessor.java
@@ -0,0 +1,148 @@
+/*
+ * 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.net.URI;
+import java.net.URL;
+
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+/**
+ * Implementation of an extensible URL artifact processor.
+ * 
+ * Takes a URLArtifactProcessorExtensionPoint and delegates to the proper URLArtifactProcessor
+ * by either fileName or fileExtention
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ExtensibleURLArtifactProcessor implements URLArtifactProcessor<Object> {
+
+    private URLArtifactProcessorExtensionPoint processors;
+
+    /**
+     * Constructs a new ExtensibleURLArtifactProcessor.
+     * 
+     * @param processors
+     */
+    public ExtensibleURLArtifactProcessor(URLArtifactProcessorExtensionPoint processors) {
+        this.processors = processors;
+    }
+
+    /**
+     * Report a error.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(Monitor monitor, String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem =
+                monitor.createProblem(this.getClass().getName(),
+                                      "contribution-validation-messages",
+                                      Severity.ERROR,
+                                      model,
+                                      message,
+                                      (Object[])messageParameters);
+            monitor.problem(problem);
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    public Object read(URL contributionURL, URI sourceURI, URL sourceURL, ProcessorContext context) throws ContributionReadException {
+        URLArtifactProcessor<Object> processor = null;
+        if (sourceURI != null) {
+            //try to retrieve a processor for the specific URI
+            String uri = sourceURI.toString();
+            if (!uri.startsWith("/")) {
+                uri = "/" + uri;
+            }
+            // Register the URI as the artifact type starts with /
+            processor = (URLArtifactProcessor<Object>)processors.getProcessor(uri);
+        }
+        
+        /*
+        if (processor == null) {
+            // Delegate to the processor associated with file extension
+            String fileName = getFileName(sourceURL);
+
+            //try to retrieve a processor for the specific filename
+            processor = (URLArtifactProcessor<Object>)processors.getProcessor(fileName);
+        }
+
+        if (processor == null) {
+            //try to find my file type (extension)
+            String extension = sourceURL.getPath();
+
+            int extensionStart = extension.lastIndexOf('.');
+            //handle files without extension (e.g NOTICE)
+            if (extensionStart > 0) {
+                // File extensions are registered as .<extension>
+                extension = extension.substring(extensionStart);
+                processor = (URLArtifactProcessor<Object>)processors.getProcessor(extension);
+            }
+        }
+        */
+
+        if (processor == null) {
+            return null;
+        }
+        if (context != null && context.getMonitor() != null){
+            context.getMonitor().setArtifactName(null); //Reset Artifact Name in Monitor   
+        }
+        return processor.read(contributionURL, sourceURI, sourceURL, context);
+    }
+
+    @SuppressWarnings("unchecked")
+    public void resolve(Object model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
+
+        // Delegate to the processor associated with the model type
+        if (model != null) {
+            URLArtifactProcessor processor = processors.getProcessor(model.getClass());
+            if (processor != null) {
+                processor.resolve(model, resolver, context);
+            }
+        }
+    }
+
+    public <M> M read(URL contributionURL, URI artifactURI, URL artifactUrl, ProcessorContext context, Class<M> type)
+        throws ContributionReadException {
+        Object mo = read(contributionURL, artifactURI, artifactUrl, context);
+        if (type.isInstance(mo)) {
+            return type.cast(mo);
+        } else {
+            UnrecognizedElementException e = new UnrecognizedElementException(null);
+            e.setResourceURI(artifactURI.toString());
+            error(context.getMonitor(), "UnrecognizedElementException", processors, artifactURI.toString());
+            throw e;
+        }
+    }
+
+    public String getArtifactType() {
+        return "";
+    }
+
+    public Class<Object> getModelType() {
+        return Object.class;
+    }
+
+}