1 files changed, 171 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java
new file mode 100644
index 0000000000..d0a42be34e
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java
@@ -0,0 +1,171 @@
+/*
+ * 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.definitions.xml;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.common.java.io.IOHelper;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.definitions.Definitions;
+import org.apache.tuscany.sca.definitions.DefinitionsFactory;
+import org.apache.tuscany.sca.definitions.util.DefinitionsUtil;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+/**
+ * A SCA Definitions Document processor.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefinitionsDocumentProcessor implements URLArtifactProcessor<Definitions> {
+    private StAXArtifactProcessor<Object> extensionProcessor;
+    private XMLInputFactory inputFactory;
+    private DefinitionsFactory definitionsFactory;
+    
+
+
+    /**
+     * Constructs a new SCADefinitions processor.
+     * 
+     * @param modelFactories
+     * @param staxProcessor
+     */
+    public DefinitionsDocumentProcessor(FactoryExtensionPoint modelFactories,
+                                        StAXArtifactProcessor<Object> staxProcessor) {
+        this.extensionProcessor = (StAXArtifactProcessor<Object>)staxProcessor;
+        this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class);
+        this.definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class);
+    }
+
+    /**
+     * Report a exception.
+     * 
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(Monitor monitor, String message, Object model, Exception ex) {
+        if (monitor != null) {
+            Problem problem =
+                monitor.createProblem(this.getClass().getName(),
+                                      Messages.RESOURCE_BUNDLE,
+                                      Severity.ERROR,
+                                      model,
+                                      message,
+                                      ex);
+            monitor.problem(problem);
+        }
+    }
+
+    public Definitions read(URL contributionURL, final URI uri, final URL url, ProcessorContext context) throws ContributionReadException {
+        InputStream urlStream = null;
+        Monitor monitor = context.getMonitor();
+        monitor.pushContext("Definitions: " + url);
+        try {
+            // Allow privileged access to open URL stream. Add FilePermission to added to security
+            // policy file.
+            try {
+                urlStream = AccessController.doPrivileged(new PrivilegedExceptionAction<InputStream>() {
+                    public InputStream run() throws IOException {
+                        return IOHelper.openStream(url);
+                    }
+                });
+            } catch (PrivilegedActionException e) {
+                error(monitor, "PrivilegedActionException", url, (IOException)e.getException());
+                throw (IOException)e.getException();
+            }
+
+            //urlStream = createInputStream(url);
+            XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream);
+            ValidatingXMLInputFactory.setMonitor(reader, context.getMonitor());
+            Definitions definitions = definitionsFactory.createDefinitions();
+            int event = reader.getEventType();
+            while (reader.hasNext()) {
+                event = reader.next();
+
+                // We only deal with the root element
+                if (event == XMLStreamConstants.START_ELEMENT) {
+                    // QName name = reader.getName();
+                    Object model = extensionProcessor.read(reader, context);
+                    if (model instanceof Definitions) {
+                        DefinitionsUtil.aggregate((Definitions)model, definitions, monitor);
+                        return definitions;
+                    } else {
+                        error(monitor, "ContributionReadException", model, null);
+                    }
+                }
+            }
+
+            return definitions;
+        } catch (XMLStreamException e) {
+            ContributionReadException ce = new ContributionReadException(e);
+            error(monitor, "ContributionReadException", inputFactory, ce);
+            throw ce;
+        } catch (IOException e) {
+            ContributionReadException ce = new ContributionReadException(e);
+            error(monitor, "ContributionReadException", inputFactory, ce);
+            throw ce;
+        } finally {
+
+            try {
+                if (urlStream != null) {
+                    urlStream.close();
+                    urlStream = null;
+                }
+            } catch (IOException ioe) {
+                //ignore
+            }
+            
+            monitor.popContext();
+        }
+    }
+
+    public void resolve(Definitions scaDefinitions, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
+        extensionProcessor.resolve(scaDefinitions, resolver, context);
+    }
+
+    public String getArtifactType() {
+        return "/META-INF/definitions.xml";
+    }
+
+    public Class<Definitions> getModelType() {
+        return Definitions.class;
+    }
+
+}