Copy modules for event prototype

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@705212 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 470 insertions, 0 deletions

diff --git a/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/Resource.java b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/Resource.java
new file mode 100644
index 0000000000..68219de701
--- /dev/null
+++ b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/Resource.java
@@ -0,0 +1,34 @@
+/*
+ * 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.implementation.resource;
+
+import java.io.InputStream;
+
+import org.apache.tuscany.sca.data.collection.Collection;
+
+/**
+ * The service interface of resource implementations. This is not an API for application
+ * developers. Application developers should use the data collection API to invoke
+ * resource components.
+ * 
+ * @version $Rev: 548609 $ $Date: 2007-06-18 23:31:03 -0700 (Mon, 18 Jun 2007) $
+ */
+public interface Resource extends Collection<String, InputStream> {
+}
diff --git a/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/ResourceImplementation.java b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/ResourceImplementation.java
new file mode 100644
index 0000000000..be136ee792
--- /dev/null
+++ b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/ResourceImplementation.java
@@ -0,0 +1,57 @@
+/*
+ * 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.implementation.resource;
+
+import java.net.URL;
+
+import org.apache.tuscany.sca.assembly.Implementation;
+
+
+/**
+ * The model representing a resource implementation in an SCA assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ResourceImplementation extends Implementation {
+
+    /**
+     * The URI of the resource inside its contribution.
+     * @return the URI of the resource
+     */
+    String getLocation();
+
+    /**
+     * Sets the URI of the resource inside its contribution.
+     * @param location the URI of the resource
+     */
+    void setLocation(String location);
+
+    /**
+     * Returns the URL of the resource.
+     * @return the URL of the resource
+     */
+    URL getLocationURL();
+
+    /**
+     * Sets the URL of the resource.
+     * @param url the URL of the resource
+     */
+    void setLocationURL(URL url);
+
+}
diff --git a/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/ResourceImplementationFactory.java b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/ResourceImplementationFactory.java
new file mode 100644
index 0000000000..95ac452c66
--- /dev/null
+++ b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/ResourceImplementationFactory.java
@@ -0,0 +1,35 @@
+/*
+ * 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.implementation.resource;
+
+/**
+ * Factory for the resource implementation model.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ResourceImplementationFactory {
+    
+    /**
+     * Creates a new resource implementation.
+     * @return a new resource implementation
+     */
+    ResourceImplementation createResourceImplementation();
+
+}
diff --git a/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationFactoryImpl.java b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationFactoryImpl.java
new file mode 100644
index 0000000000..d4db8772e4
--- /dev/null
+++ b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationFactoryImpl.java
@@ -0,0 +1,47 @@
+/*
+ * 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.implementation.resource.impl;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.implementation.resource.ResourceImplementation;
+import org.apache.tuscany.sca.implementation.resource.ResourceImplementationFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+/**
+ * Factory for the resource implementation model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ResourceImplementationFactoryImpl implements ResourceImplementationFactory {
+    
+    private AssemblyFactory assemblyFactory;
+    private JavaInterfaceFactory javaFactory;
+    
+    public ResourceImplementationFactoryImpl(ModelFactoryExtensionPoint modelFactories) {
+        assemblyFactory = modelFactories.getFactory(AssemblyFactory.class);
+        javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
+    }
+
+    public ResourceImplementation createResourceImplementation() {
+        return new ResourceImplementationImpl(assemblyFactory, javaFactory);
+    }
+
+}
diff --git a/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationImpl.java b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationImpl.java
new file mode 100644
index 0000000000..9cad0890a3
--- /dev/null
+++ b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationImpl.java
@@ -0,0 +1,130 @@
+/*
+ * 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.implementation.resource.impl;
+
+import java.net.URL;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.implementation.resource.Resource;
+import org.apache.tuscany.sca.implementation.resource.ResourceImplementation;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+
+/**
+ * The model representing a resource implementation in an SCA assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+class ResourceImplementationImpl implements ResourceImplementation {
+
+    private Service resourceService;
+    
+    private String location;
+    private URL url;
+    private boolean unresolved;
+
+    /**
+     * Constructs a new resource implementation.
+     */
+    ResourceImplementationImpl(AssemblyFactory assemblyFactory,
+                                  JavaInterfaceFactory javaFactory) {
+
+        // Resource implementation always provide a single service exposing
+        // the Resource interface, and have no references and properties
+        resourceService = assemblyFactory.createService();
+        resourceService.setName("Resource");
+        
+        // Create the Java interface contract for the Resource service
+        JavaInterface javaInterface;
+        try {
+            javaInterface = javaFactory.createJavaInterface(Resource.class);
+        } catch (InvalidInterfaceException e) {
+            throw new IllegalArgumentException(e);
+        }
+        JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+        interfaceContract.setInterface(javaInterface);
+        resourceService.setInterfaceContract(interfaceContract);
+    }
+
+    public String getLocation() {
+        return location;
+    }
+
+    public void setLocation(String location) {
+        this.location = location;
+    }
+
+    public URL getLocationURL() {
+        return url;
+    }
+    
+    public void setLocationURL(URL url) {
+        this.url = url;
+    }
+    
+    public ConstrainingType getConstrainingType() {
+        // The resource implementation does not support constrainingTypes
+        return null;
+    }
+
+    public List<Property> getProperties() {
+        // The resource implementation does not support properties
+        return Collections.emptyList();
+    }
+
+    public List<Service> getServices() {
+        // The resource implementation does not support services
+        return Collections.singletonList(resourceService);
+    }
+    
+    public List<Reference> getReferences() {
+        // The resource implementation does not support properties
+        return Collections.emptyList();
+    }
+
+    public String getURI() {
+        return location;
+    }
+
+    public void setConstrainingType(ConstrainingType constrainingType) {
+        // The resource implementation does not support constrainingTypes
+    }
+
+    public void setURI(String uri) {
+        this.location = uri;
+    }
+
+
+    public boolean isUnresolved() {
+        return unresolved;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+        this.unresolved = unresolved;
+    }    
+}
diff --git a/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationProcessor.java b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationProcessor.java
new file mode 100644
index 0000000000..6abef37b1a
--- /dev/null
+++ b/sandbox/event/modules/implementation-resource/src/main/java/org/apache/tuscany/sca/implementation/resource/impl/ResourceImplementationProcessor.java
@@ -0,0 +1,167 @@
+/*
+ * 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.implementation.resource.impl;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+
+import java.io.IOException;
+import java.net.URL;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
+import org.apache.tuscany.sca.assembly.xml.Constants;
+import org.apache.tuscany.sca.contribution.Artifact;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+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;
+import org.apache.tuscany.sca.implementation.resource.ResourceImplementation;
+import org.apache.tuscany.sca.implementation.resource.ResourceImplementationFactory;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+
+/**
+ * Implements a StAX artifact processor for resource implementations.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ResourceImplementationProcessor implements StAXArtifactProcessor<ResourceImplementation> {
+    private static final QName IMPLEMENTATION_RESOURCE = new QName(Constants.SCA10_TUSCANY_NS, "implementation.resource");
+    
+    private ContributionFactory contributionFactory;
+    private ResourceImplementationFactory implementationFactory;
+    private Monitor monitor;
+
+    public ResourceImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
+        contributionFactory = modelFactories.getFactory(ContributionFactory.class);
+        implementationFactory = modelFactories.getFactory(ResourceImplementationFactory.class);
+        this.monitor = monitor;
+    }
+
+    /**
+     * Report a exception.
+     *
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Exception ex) {
+    	 if (monitor != null) {
+	        Problem problem = new ProblemImpl(this.getClass().getName(), "impl-resource-validation-messages", Severity.ERROR, model, message, ex);
+	        monitor.problem(problem);
+    	 }
+    }
+
+    /**
+     * Report a error.
+     *
+     * @param problems
+     * @param message
+     * @param model
+     */
+    private void error(String message, Object model, Object... messageParameters) {
+        if (monitor != null) {
+            Problem problem = new ProblemImpl(this.getClass().getName(), "impl-resource-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+            monitor.problem(problem);
+        }
+    }
+
+    public QName getArtifactType() {
+        // Returns the QName of the XML element processed by this processor
+        return IMPLEMENTATION_RESOURCE;
+    }
+
+    public Class<ResourceImplementation> getModelType() {
+        // Returns the type of model processed by this processor
+        return ResourceImplementation.class;
+    }
+
+    public ResourceImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+
+        // Read an <implementation.resource> element
+
+        // Create and initialize the resource implementation model
+        ResourceImplementation implementation = null;
+
+        // Read the location attribute specifying the location of the resources
+        String location = reader.getAttributeValue(null, "location");
+        if (location != null) {
+            implementation = implementationFactory.createResourceImplementation();
+            implementation.setLocation(location);
+            implementation.setUnresolved(true);
+        } else {
+            error("LocationAttributeMissing", reader);
+            //throw new ContributionReadException(MSG_LOCATION_MISSING);
+        }
+
+        // Skip to end element
+        while (reader.hasNext()) {
+            if (reader.next() == END_ELEMENT && IMPLEMENTATION_RESOURCE.equals(reader.getName())) {
+                break;
+            }
+        }
+
+        return implementation;
+    }
+
+    public void resolve(ResourceImplementation implementation, ModelResolver resolver) throws ContributionResolveException {
+    	
+    	if (implementation == null)
+    		return;
+    	
+        // Resolve the resource directory location
+        Artifact artifact = contributionFactory.createArtifact();
+        artifact.setURI(implementation.getLocation());
+        Artifact resolved = resolver.resolveModel(Artifact.class, artifact);
+        if (resolved.getLocation() != null) {
+            try {
+                implementation.setLocationURL(new URL(resolved.getLocation()));
+                implementation.setUnresolved(false);
+            } catch (IOException e) {
+            	ContributionResolveException ce = new ContributionResolveException(e);
+            	error("ContributionResolveException", resolver, ce);
+                //throw ce;
+            }
+        } else {
+            error("CouldNotResolveLocation", resolver, implementation.getLocation());
+            //throw new ContributionResolveException("Could not resolve implementation.resource location: " + implementation.getLocation());
+        }
+    }
+
+    public void write(ResourceImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+
+        // Write <implementation.resource>
+        writer.writeStartElement(IMPLEMENTATION_RESOURCE.getNamespaceURI(), IMPLEMENTATION_RESOURCE.getLocalPart());
+
+        if (implementation.getLocation() != null) {
+            writer.writeAttribute("location", implementation.getLocation());
+        }
+
+        writer.writeEndElement();
+    }
+}