Create M2 relese branch

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@759448 13f79535-47bb-0310-9956-ffa450edef68

5 files changed, 496 insertions, 0 deletions

diff --git a/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java
new file mode 100644
index 0000000000..7d87a8a659
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java
@@ -0,0 +1,210 @@
+/*
+ * 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.net.URLConnection;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.HashSet;
+import java.util.Set;
+
+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.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+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;
+import org.apache.tuscany.sca.policy.BindingType;
+import org.apache.tuscany.sca.policy.ImplementationType;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySet;
+
+/**
+ * A SCA Definitions Document processor.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefinitionsDocumentProcessor implements URLArtifactProcessor<Definitions> {
+    private StAXArtifactProcessor<Object> extensionProcessor;
+    private XMLInputFactory inputFactory;
+    private DefinitionsFactory definitionsFactory;
+    private Monitor monitor;
+
+    /**
+     * Construct a new SCADefinitions processor
+     * @param assemblyFactory
+     * @param policyFactory
+     * @param staxProcessor
+     */
+    public DefinitionsDocumentProcessor(StAXArtifactProcessor<Object> staxProcessor,
+                                        XMLInputFactory inputFactory,
+                                        DefinitionsFactory definitionsFactory,
+                                        Monitor monitor) {
+        this.extensionProcessor = (StAXArtifactProcessor<Object>)staxProcessor;
+        this.inputFactory = inputFactory;
+        this.definitionsFactory = definitionsFactory;
+        this.monitor = monitor;
+    }
+
+    /**
+     * Constructs a new SCADefinitions processor.
+     * 
+     * @param modelFactories
+     * @param staxProcessor
+     */
+    public DefinitionsDocumentProcessor(FactoryExtensionPoint modelFactories,
+                                        StAXArtifactProcessor<Object> staxProcessor,
+                                        Monitor monitor) {
+        this.extensionProcessor = (StAXArtifactProcessor<Object>)staxProcessor;
+        this.inputFactory = modelFactories.getFactory(XMLInputFactory.class);
+        this.definitionsFactory = modelFactories.getFactory(DefinitionsFactory.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 =
+                monitor.createProblem(this.getClass().getName(),
+                                      "definitions-xml-validation-messages",
+                                      Severity.ERROR,
+                                      model,
+                                      message,
+                                      ex);
+            monitor.problem(problem);
+        }
+    }
+
+    public Definitions read(URL contributionURL, final URI uri, final URL url) throws ContributionReadException {
+        InputStream urlStream = null;
+        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 {
+                        URLConnection connection = url.openConnection();
+                        connection.setUseCaches(false);
+                        return connection.getInputStream();
+                    }
+                });
+            } catch (PrivilegedActionException e) {
+                error("PrivilegedActionException", url, (IOException)e.getException());
+                throw (IOException)e.getException();
+            }
+
+            //urlStream = createInputStream(url);
+            XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream);
+
+            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);
+                    if (model instanceof Definitions) {
+                        DefinitionsUtil.aggregate((Definitions)model, definitions);
+                        return definitions;
+                    } else {
+                        error("ContributionReadException", model, null);
+                    }
+                }
+            }
+
+            return definitions;
+        } catch (XMLStreamException e) {
+            ContributionReadException ce = new ContributionReadException(e);
+            error("ContributionReadException", inputFactory, ce);
+            throw ce;
+        } catch (IOException e) {
+            ContributionReadException ce = new ContributionReadException(e);
+            error("ContributionReadException", inputFactory, ce);
+            throw ce;
+        } finally {
+
+            try {
+                if (urlStream != null) {
+                    urlStream.close();
+                    urlStream = null;
+                }
+            } catch (IOException ioe) {
+                //ignore
+            }
+        }
+    }
+
+    // FIXME: [rfeng] We need to validate the definitions against the Conformance Items
+    // defined by the SCA Policy Framework Spec V1.1
+    private static void stripDuplicates(Definitions definitions) {
+        Set<Intent> intents = new HashSet<Intent>(definitions.getIntents());
+        Set<PolicySet> policySets = new HashSet<PolicySet>(definitions.getPolicySets());
+
+        Set<BindingType> bindingTypes = new HashSet<BindingType>(definitions.getBindingTypes());
+        Set<ImplementationType> implementationTypes = new HashSet<ImplementationType>(definitions.getImplementationTypes());
+
+        definitions.getIntents().clear();
+        definitions.getIntents().addAll(intents);
+        definitions.getPolicySets().clear();
+        definitions.getPolicySets().addAll(policySets);
+        definitions.getBindingTypes().clear();
+        definitions.getBindingTypes().addAll(bindingTypes);
+        definitions.getImplementationTypes().clear();
+        definitions.getImplementationTypes().addAll(implementationTypes);
+    }
+
+    public void resolve(Definitions scaDefinitions, ModelResolver resolver) throws ContributionResolveException {
+        stripDuplicates(scaDefinitions);
+        extensionProcessor.resolve(scaDefinitions, resolver);
+    }
+
+    public String getArtifactType() {
+        return "/META-INF/definitions.xml";
+    }
+
+    public Class<Definitions> getModelType() {
+        return Definitions.class;
+    }
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsProcessor.java b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsProcessor.java
new file mode 100644
index 0000000000..7b80a750d2
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsProcessor.java
@@ -0,0 +1,226 @@
+/*
+ * 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 static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import java.util.ArrayList;
+import java.util.List;
+
+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.Binding;
+import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
+import org.apache.tuscany.sca.contribution.processor.ContributionWriteException;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+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.monitor.Monitor;
+import org.apache.tuscany.sca.policy.BindingType;
+import org.apache.tuscany.sca.policy.ImplementationType;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySet;
+
+/**
+ * Processor for SCA Definitions
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefinitionsProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<Definitions> {
+
+    private StAXArtifactProcessor<Object> extensionProcessor;
+    private DefinitionsFactory definitionsFactory;
+    private Monitor monitor;
+
+    public static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903";
+    public static final String BINDING = "binding";
+    public static final String IMPLEMENTATION = "implementation";
+    public static final String DEFINITIONS = "definitions";
+    public static final QName DEFINITIONS_QNAME = new QName(SCA11_NS, DEFINITIONS);
+    public static final String TARGET_NAMESPACE = "targetNamespace";
+    public static final String NAME = "name";
+
+    public DefinitionsProcessor(FactoryExtensionPoint factoryExtensionPoint,
+                                StAXArtifactProcessor<Object> extensionProcessor,
+                                Monitor monitor) {
+        this.extensionProcessor = extensionProcessor;
+        this.monitor = monitor;
+        this.definitionsFactory = factoryExtensionPoint.getFactory(DefinitionsFactory.class);
+    }
+
+    public Definitions read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        QName name = null;
+        Definitions definitions = null;
+        String targetNamespace = null;
+
+        while (reader.hasNext()) {
+            int event = reader.getEventType();
+            switch (event) {
+                case START_ELEMENT: {
+                    name = reader.getName();
+                    if (DEFINITIONS_QNAME.equals(name)) {
+                        definitions = definitionsFactory.createDefinitions();
+                        targetNamespace = reader.getAttributeValue(null, TARGET_NAMESPACE);
+                        definitions.setTargetNamespace(targetNamespace);
+                    } else {
+                        Object extension = extensionProcessor.read(reader);
+                        if (extension != null) {
+                            if (extension instanceof Intent) {
+                                Intent intent = (Intent)extension;
+                                intent.setName(new QName(targetNamespace, intent.getName().getLocalPart()));
+                                definitions.getIntents().add(intent);
+                                for (Intent i : intent.getQualifiedIntents()) {
+                                    i.setName(new QName(targetNamespace, i.getName().getLocalPart()));
+                                }
+                            } else if (extension instanceof PolicySet) {
+                                PolicySet policySet = (PolicySet)extension;
+                                policySet.setName(new QName(targetNamespace, policySet.getName().getLocalPart()));
+                                definitions.getPolicySets().add(policySet);
+                            } else if (extension instanceof Binding) {
+                                Binding binding = (Binding)extension;
+                                definitions.getBindings().add(binding);
+                            } else if (extension instanceof BindingType) {
+                                definitions.getBindingTypes().add((BindingType)extension);
+                            } else if (extension instanceof ImplementationType) {
+                                definitions.getImplementationTypes().add((ImplementationType)extension);
+                            }
+                        }
+                        break;
+                    }
+                }
+
+                case XMLStreamConstants.CHARACTERS:
+                    break;
+
+                case END_ELEMENT:
+                    name = reader.getName();
+                    if (DEFINITIONS_QNAME.equals(name)) {
+                        return definitions;
+                    }
+                    break;
+            }
+
+            //Read the next element
+            if (reader.hasNext()) {
+                reader.next();
+            }
+        }
+        return definitions;
+    }
+
+    public void write(Definitions definitions, XMLStreamWriter writer) throws ContributionWriteException,
+        XMLStreamException {
+
+        writeStartDocument(writer, SCA11_NS, DEFINITIONS, new XAttr(TARGET_NAMESPACE, definitions.getTargetNamespace()));
+
+        for (Intent policyIntent : definitions.getIntents()) {
+            extensionProcessor.write(policyIntent, writer);
+        }
+
+        for (PolicySet policySet : definitions.getPolicySets()) {
+            extensionProcessor.write(policySet, writer);
+        }
+
+        for (BindingType bindingType : definitions.getBindingTypes()) {
+            extensionProcessor.write(bindingType, writer);
+        }
+
+        for (ImplementationType implType : definitions.getImplementationTypes()) {
+            extensionProcessor.write(implType, writer);
+        }
+
+        writeEndDocument(writer);
+    }
+
+    public void resolve(Definitions scaDefns, ModelResolver resolver) throws ContributionResolveException {
+        // start by adding all of the top level artifacts into the resolver as there
+        // are many cross artifact references in a definitions file and we don't want
+        // to be dependent on the order things appear
+
+        List<Intent> intents = new ArrayList<Intent>();
+        List<PolicySet> policySets = new ArrayList<PolicySet>();
+        List<PolicySet> referredPolicySets = new ArrayList<PolicySet>();
+
+        for (Intent intent : scaDefns.getIntents()) {
+            intents.add(intent);
+            resolver.addModel(intent);
+            for (Intent i : intent.getQualifiedIntents()) {
+                intents.add(i);
+                resolver.addModel(i);
+            }
+        }
+
+        for (PolicySet policySet : scaDefns.getPolicySets()) {
+            if (policySet.getReferencedPolicySets().isEmpty()) {
+                policySets.add(policySet);
+            } else {
+                referredPolicySets.add(policySet);
+            }
+
+            resolver.addModel(policySet);
+        }
+
+        for (BindingType bindingType : scaDefns.getBindingTypes()) {
+            resolver.addModel(bindingType);
+        }
+
+        for (ImplementationType implType : scaDefns.getImplementationTypes()) {
+            resolver.addModel(implType);
+        }
+
+        // now resolve everything to ensure that any references between
+        // artifacts are satisfied
+
+        for (Intent policyIntent : intents)
+            extensionProcessor.resolve(policyIntent, resolver);
+
+        for (PolicySet policySet : policySets)
+            extensionProcessor.resolve(policySet, resolver);
+
+        for (PolicySet policySet : referredPolicySets)
+            extensionProcessor.resolve(policySet, resolver);
+
+        for (BindingType bindingType : scaDefns.getBindingTypes()) {
+            extensionProcessor.resolve(bindingType, resolver);
+        }
+
+        for (ImplementationType implementationType : scaDefns.getImplementationTypes()) {
+            extensionProcessor.resolve(implementationType, resolver);
+        }
+    }
+
+    public QName getArtifactType() {
+        return DEFINITIONS_QNAME;
+    }
+
+    public Class<Definitions> getModelType() {
+        return Definitions.class;
+    }
+
+}
diff --git a/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..024953e255
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -0,0 +1,19 @@
+# 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. 
+
+# Implementation class for the artifact processor extension
+org.apache.tuscany.sca.definitions.xml.DefinitionsProcessor;qname=http://docs.oasis-open.org/ns/opencsa/sca/200903#definitions,model=org.apache.tuscany.sca.definitions.Definitions
diff --git a/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor
new file mode 100644
index 0000000000..c0350c8189
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor
@@ -0,0 +1,19 @@
+# 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. 
+
+# Implementation class for the artifact processor extension
+org.apache.tuscany.sca.definitions.xml.DefinitionsDocumentProcessor;type=/META-INF/definitions.xml,model=org.apache.tuscany.sca.definitions.Definitions
diff --git a/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/definitions-xml-validation-messages.properties b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/definitions-xml-validation-messages.properties
new file mode 100644
index 0000000000..857887ec3f
--- /dev/null
+++ b/branches/sca-java-2.0-M2/modules/definitions-xml/src/main/resources/definitions-xml-validation-messages.properties
@@ -0,0 +1,22 @@
+#
+#
+#    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.
+#
+#
+ContributionReadException = ContributionReadException occured due to :
+PrivilegedActionException = Privileged Action Exception occured due to FilePermission in security policy file: 
\ No newline at end of file