Move Tuscany from Incubator to top level.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 350 insertions, 0 deletions

diff --git a/tags/java/sca/1.2/modules/workspace-xml/src/main/java/org/apache/tuscany/sca/workspace/xml/WorkspaceDocumentProcessor.java b/tags/java/sca/1.2/modules/workspace-xml/src/main/java/org/apache/tuscany/sca/workspace/xml/WorkspaceDocumentProcessor.java
new file mode 100644
index 0000000000..16157396c7
--- /dev/null
+++ b/tags/java/sca/1.2/modules/workspace-xml/src/main/java/org/apache/tuscany/sca/workspace/xml/WorkspaceDocumentProcessor.java
@@ -0,0 +1,105 @@
+/*
+ * 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.workspace.xml;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLConnection;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+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.contribution.service.ContributionReadException;
+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
+import org.apache.tuscany.sca.workspace.Workspace;
+
+/**
+ * A contribution workspace document processor.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WorkspaceDocumentProcessor implements URLArtifactProcessor<Workspace> {
+    private XMLInputFactory inputFactory;
+    private StAXArtifactProcessor<Object> staxProcessor;
+    
+    /**
+     * Constructs a new componentType processor.
+     * @param factory
+     * @param policyFactory
+     * @param registry
+     */
+    public WorkspaceDocumentProcessor(StAXArtifactProcessor<Object> staxProcessor, XMLInputFactory inputFactory) {
+        this.staxProcessor = staxProcessor;
+        this.inputFactory = inputFactory;
+    }
+    
+    public Workspace read(URL contributionURL, URI uri, URL url) throws ContributionReadException {
+        InputStream urlStream = null;
+        try {
+            
+            // Create a stream reader
+            URLConnection connection = url.openConnection();
+            connection.setUseCaches(false);
+            urlStream = connection.getInputStream();
+            XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream);
+            reader.nextTag();
+            
+            // Read the workspace model 
+            Workspace workspace = (Workspace)staxProcessor.read(reader);
+            if (workspace != null) {
+                workspace.setURI(uri.toString());
+            }
+
+            return workspace;
+            
+        } catch (XMLStreamException e) {
+            throw new ContributionReadException(e);
+        } catch (IOException e) {
+            throw new ContributionReadException(e);
+        } finally {
+            try {
+                if (urlStream != null) {
+                    urlStream.close();
+                    urlStream = null;
+                }
+            } catch (IOException ioe) {
+                //ignore
+            }
+        }
+    }
+    
+    public void resolve(Workspace workspace, ModelResolver resolver) throws ContributionResolveException {
+        staxProcessor.resolve(workspace, resolver);
+    }
+    
+    public String getArtifactType() {
+        return ".workspace";
+    }
+    
+    public Class<Workspace> getModelType() {
+        return Workspace.class;
+    }
+}
diff --git a/tags/java/sca/1.2/modules/workspace-xml/src/main/java/org/apache/tuscany/sca/workspace/xml/WorkspaceProcessor.java b/tags/java/sca/1.2/modules/workspace-xml/src/main/java/org/apache/tuscany/sca/workspace/xml/WorkspaceProcessor.java
new file mode 100644
index 0000000000..2737814cfe
--- /dev/null
+++ b/tags/java/sca/1.2/modules/workspace-xml/src/main/java/org/apache/tuscany/sca/workspace/xml/WorkspaceProcessor.java
@@ -0,0 +1,153 @@
+/*
+ * 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.workspace.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import java.util.List;
+
+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.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;
+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.workspace.Workspace;
+import org.apache.tuscany.sca.workspace.WorkspaceFactory;
+
+/**
+ * A contribution workspace processor.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WorkspaceProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<Workspace> {
+    
+    private static final String SCA10_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.0";
+    private static final QName WORKSPACE_QNAME = new QName(SCA10_TUSCANY_NS, "workspace");
+    private static final QName CONTRIBUTION_QNAME = new QName(SCA10_TUSCANY_NS, "contribution");
+    private static final String URI = "uri";
+    private static final String LOCATION = "location";
+    
+    private WorkspaceFactory workspaceFactory;
+    private ContributionFactory contributionFactory;
+    
+    /**
+     * Constructs a new contribution workspace processor.
+     * @param contributionFactory
+     * @param extensionProcessor
+     */
+    public WorkspaceProcessor(WorkspaceFactory workspaceFactory, ContributionFactory contributionFactory, StAXArtifactProcessor<Object> extensionProcessor) {
+        this.workspaceFactory = workspaceFactory;
+        this.contributionFactory = contributionFactory;
+    }
+    
+    public Workspace read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+        
+        Workspace workspace = null;
+        Contribution contribution = null;
+        
+        // Read the workspace document
+        while (reader.hasNext()) {
+            int event = reader.getEventType();
+            switch (event) {
+                case START_ELEMENT:
+                    QName name = reader.getName();
+
+                    if (WORKSPACE_QNAME.equals(name)) {
+
+                        // Read a <workspace>
+                        workspace = workspaceFactory.createWorkspace();
+                        workspace.setUnresolved(true);
+
+                    } else if (CONTRIBUTION_QNAME.equals(name)) {
+
+                        // Read a <contribution>
+                        contribution = contributionFactory.createContribution();
+                        contribution.setURI(getString(reader, URI));
+                        contribution.setLocation(getString(reader, LOCATION));
+                        contribution.setUnresolved(true);
+                        workspace.getContributions().add(contribution);
+                    }
+                    break;
+
+                case END_ELEMENT:
+                    name = reader.getName();
+
+                    // Clear current state when reading reaching end element
+                    if (CONTRIBUTION_QNAME.equals(name)) {
+                        contribution = null;
+                    }
+                    break;
+            }
+            
+            // Read the next element
+            if (reader.hasNext()) {
+                reader.next();
+            }
+        }
+        return workspace;
+    }
+    
+    public void write(Workspace workspace, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+        
+        // Write <workspace> element
+        writeStartDocument(writer, WORKSPACE_QNAME);
+
+        // Write <contribution> elements
+        for (Contribution contribution: workspace.getContributions()) {
+            writeStart(writer, CONTRIBUTION_QNAME,
+                           new XAttr(URI, contribution.getURI()), new XAttr(LOCATION, contribution.getLocation()));
+            writeEnd(writer);
+        }
+
+        writeEndDocument(writer);
+    }
+    
+    public void resolve(Workspace workspace, ModelResolver resolver) throws ContributionResolveException {
+        
+        // Resolve the contributions referenced by the workspace
+        List<Contribution> contributions = workspace.getContributions();
+        for (int i = 0, n = contributions.size(); i < n; i++) {
+            Contribution contribution = contributions.get(i);
+            Contribution resolved = resolver.resolveModel(Contribution.class, contribution);
+            if (resolved != contribution) {
+                contributions.set(i, resolved);
+            }
+        }
+        
+        workspace.setUnresolved(false);
+    }
+    
+    public QName getArtifactType() {
+        return WORKSPACE_QNAME;
+    }
+    
+    public Class<Workspace> getModelType() {
+        return Workspace.class;
+    }
+}
diff --git a/tags/java/sca/1.2/modules/workspace-xml/src/test/java/org/apache/tuscany/sca/contribution/xml/ContributionWorkspaceProcessorTestCase.java b/tags/java/sca/1.2/modules/workspace-xml/src/test/java/org/apache/tuscany/sca/contribution/xml/ContributionWorkspaceProcessorTestCase.java
new file mode 100644
index 0000000000..c09600f5a6
--- /dev/null
+++ b/tags/java/sca/1.2/modules/workspace-xml/src/test/java/org/apache/tuscany/sca/contribution/xml/ContributionWorkspaceProcessorTestCase.java
@@ -0,0 +1,92 @@
+/*
+ * 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.xml;
+
+import java.io.StringReader;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.contribution.ContributionFactory;
+import org.apache.tuscany.sca.contribution.DefaultContributionFactory;
+import org.apache.tuscany.sca.workspace.DefaultWorkspaceFactory;
+import org.apache.tuscany.sca.workspace.Workspace;
+import org.apache.tuscany.sca.workspace.WorkspaceFactory;
+import org.apache.tuscany.sca.workspace.xml.WorkspaceProcessor;
+
+/**
+ * Test the contribution metadata processor.
+ * 
+ * @version $Rev$ $Date$
+ */
+
+public class ContributionWorkspaceProcessorTestCase extends TestCase {
+
+    private static final String VALID_XML =
+        "<?xml version=\"1.0\" encoding=\"ASCII\"?>" 
+            + "<workspace xmlns=\"http://tuscany.apache.org/xmlns/sca/1.0\">"
+            + "<contribution uri=\"uri1\" location=\"location1\"/>"
+            + "<contribution uri=\"uri2\" location=\"location2\"/>"
+            + "</workspace>";
+
+    private static final String INVALID_XML =
+        "<?xml version=\"1.0\" encoding=\"ASCII\"?>" 
+            + "<workspace xmlns=\"http://tuscany.apache.org/xmlns/sca/1.0\">"
+            + "<contribution uri=\"uri1\" location=\"location1\"/>"
+            + "<contribution uri=\"uri2\" location=\"location2\"/>"
+            + "</contribution>"
+            + "</workspace>";
+
+    private XMLInputFactory xmlFactory;
+
+    @Override
+    protected void setUp() throws Exception {
+        xmlFactory = XMLInputFactory.newInstance();
+    }
+
+    public void testRead() throws Exception {
+        XMLStreamReader reader = xmlFactory.createXMLStreamReader(new StringReader(VALID_XML));
+
+        WorkspaceFactory workspaceFactory = new DefaultWorkspaceFactory();
+        ContributionFactory contributionFactory = new DefaultContributionFactory();
+        WorkspaceProcessor processor = new WorkspaceProcessor(workspaceFactory, contributionFactory, null);
+        Workspace workspace = processor.read(reader);
+        assertNotNull(workspace);
+        assertEquals(2, workspace.getContributions().size());
+        assertEquals("uri2", workspace.getContributions().get(1).getURI());
+        assertEquals("location2", workspace.getContributions().get(1).getLocation());
+  }
+
+    public void testReadInvalid() throws Exception {
+        XMLStreamReader reader = xmlFactory.createXMLStreamReader(new StringReader(INVALID_XML));
+        WorkspaceFactory workspaceFactory = new DefaultWorkspaceFactory();
+        ContributionFactory contributionFactory = new DefaultContributionFactory();
+        WorkspaceProcessor processor = new WorkspaceProcessor(workspaceFactory, contributionFactory, null);
+        try {
+            processor.read(reader);
+            fail("InvalidException should have been thrown");
+        } catch (XMLStreamException e) {
+            assertTrue(true);
+        }
+    }
+}