1 files changed, 178 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/namespace/impl/NamespaceImportProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportProcessor.java
new file mode 100644
index 0000000000..17b0dc3953
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportProcessor.java
@@ -0,0 +1,178 @@
+/*
+ * 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.namespace.impl;
+
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+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.AssemblyFactory;
+import org.apache.tuscany.sca.contribution.namespace.NamespaceImport;
+import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory;
+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.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.Problem;
+import org.apache.tuscany.sca.monitor.Problem.Severity;
+
+/**
+ * Artifact processor for Namespace import
+ *
+ * @version $Rev$ $Date$
+ */
+public class NamespaceImportProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<NamespaceImport> {
+    private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912";
+
+    private static final QName IMPORT = new QName(SCA11_NS, "import");
+
+    private static final String NAMESPACE = "namespace";
+    private static final String LOCATION = "location";
+
+    private final NamespaceImportExportFactory factory;
+    private final AssemblyFactory extensionFactory;
+    private final StAXArtifactProcessor<Object> extensionProcessor;
+    private final StAXAttributeProcessor<Object> attributeProcessor;
+    
+    public NamespaceImportProcessor(FactoryExtensionPoint modelFactories,
+                                    StAXArtifactProcessor<Object> extensionProcessor,
+                                    StAXAttributeProcessor<Object> attributeProcessor) {
+        this.factory = modelFactories.getFactory(NamespaceImportExportFactory.class);
+        this.extensionFactory = modelFactories.getFactory(AssemblyFactory.class);
+        this.extensionProcessor = extensionProcessor;
+        this.attributeProcessor = attributeProcessor;
+    }
+
+    /**
+     * Report a warning.
+     *
+     * @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-namespace-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
+	        monitor.problem(problem);
+    	 }
+     }
+
+    public QName getArtifactType() {
+        return IMPORT;
+    }
+
+    public Class<NamespaceImport> getModelType() {
+        return NamespaceImport.class;
+    }
+
+    /**
+     * Process <import namespace="" location=""/>
+     */
+    public NamespaceImport read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException {
+        NamespaceImport namespaceImport = this.factory.createNamespaceImport();
+        QName element;
+
+        try {
+            while (reader.hasNext()) {
+                int event = reader.getEventType();
+                switch (event) {
+                    case START_ELEMENT:
+                        element = reader.getName();
+
+                        // Read <import>
+                        if (IMPORT.equals(element)) {
+                            String ns = reader.getAttributeValue(null, NAMESPACE);
+                            if (ns == null) {
+                            	error(context.getMonitor(), "AttributeNameSpaceMissing", reader);
+                                //throw new ContributionReadException("Attribute 'namespace' is missing");
+                            } else {
+                                namespaceImport.setNamespace(ns);
+                            }
+
+                            String location = getURIString(reader, LOCATION);
+                            if (location != null) {
+                                namespaceImport.setLocation(location);
+                            }
+                            readExtendedAttributes(reader, namespaceImport, attributeProcessor, extensionFactory, context);
+                        } else {
+                            // handle extended elements
+                            Object ext = extensionProcessor.read(reader, context);
+                            if (namespaceImport != null) {
+                                namespaceImport.getExtensions().add(ext);
+                            }
+                        }
+                        break;
+                    case XMLStreamConstants.END_ELEMENT:
+                        if (IMPORT.equals(reader.getName())) {
+                            return namespaceImport;
+                        }
+                        break;
+                }
+
+                // Read the next element
+                if (reader.hasNext()) {
+                    reader.next();
+                }
+            }
+        }
+        catch (XMLStreamException e) {
+            ContributionReadException ex = new ContributionReadException(e);
+            error(context.getMonitor(), "XMLStreamException", reader, ex);
+        }
+
+        return namespaceImport;
+    }
+
+    public void write(NamespaceImport namespaceImport, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException {
+
+        // Write <import>
+        writer.writeStartElement(IMPORT.getNamespaceURI(), IMPORT.getLocalPart());
+
+        if (namespaceImport.getNamespace() != null) {
+            writer.writeAttribute(NAMESPACE, namespaceImport.getNamespace());
+        }
+        if (namespaceImport.getLocation() != null) {
+            writer.writeAttribute(LOCATION, namespaceImport.getLocation());
+        }
+
+        writeExtendedAttributes(writer, namespaceImport, attributeProcessor, context);
+        
+        //handle extended elements
+        for (Object ext : namespaceImport.getExtensions()) {
+            extensionProcessor.write(ext, writer, context);
+        }
+        
+        writer.writeEndElement();
+    }
+
+
+    public void resolve(NamespaceImport model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
+    }
+}