Add the OSGiProperty processor

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@752196 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 108 insertions, 2 deletions

diff --git a/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiImplementation.java b/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiImplementation.java
index 88181e2d91..4551821f5a 100644
--- a/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiImplementation.java
+++ b/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiImplementation.java
@@ -37,7 +37,6 @@ public interface OSGiImplementation extends Implementation, Extensible {
     String BUNDLE_SYMBOLICNAME = "bundleSymbolicName";
     String BUNDLE_VERSION = "bundleVersion";
     QName IMPLEMENTATION_OSGI = new QName(SCA11_TUSCANY_NS, "implementation.osgi");
-    QName PROPERTY_QNAME = OSGiProperty.OSGI_PROPERTY_QNAME;
 
     String getBundleSymbolicName();
 
diff --git a/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiProperty.java b/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiProperty.java
index 6d33f66afc..8509e866ef 100644
--- a/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiProperty.java
+++ b/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/OSGiProperty.java
@@ -25,7 +25,8 @@ import javax.xml.namespace.QName;
  * <tuscany:osgi.property> 
  */
 public interface OSGiProperty {
-    QName OSGI_PROPERTY_QNAME = new QName(OSGiImplementation.SCA11_TUSCANY_NS, "osgi.property");
+    String NAME = "name";
+    QName PROPERTY_QNAME = new QName(OSGiImplementation.SCA11_TUSCANY_NS, "osgi.property");
 
     String getValue();
 
diff --git a/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiPropertyProcessor.java b/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiPropertyProcessor.java
new file mode 100644
index 0000000000..5a8f5c4694
--- /dev/null
+++ b/java/sca/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/OSGiPropertyProcessor.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.implementation.osgi.xml;
+
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.NAME;
+import static org.apache.tuscany.sca.implementation.osgi.OSGiProperty.PROPERTY_QNAME;
+
+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.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.implementation.osgi.OSGiImplementationFactory;
+import org.apache.tuscany.sca.implementation.osgi.OSGiProperty;
+import org.apache.tuscany.sca.monitor.Monitor;
+
+/**
+ * A processor for <tuscany:osgi.property>
+ */
+public class OSGiPropertyProcessor implements StAXArtifactProcessor<OSGiProperty> {
+    private OSGiImplementationFactory factory;
+    private Monitor monitor;
+
+    public OSGiPropertyProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) {
+        this.monitor = monitor;
+        this.factory = modelFactories.getFactory(OSGiImplementationFactory.class);
+    }
+
+    public OSGiProperty read(XMLStreamReader reader) throws XMLStreamException {
+        int event = reader.getEventType();
+        OSGiProperty prop = null;
+        while (true) {
+            switch (event) {
+                case START_ELEMENT:
+                    QName name = reader.getName();
+                    if (PROPERTY_QNAME.equals(name)) {
+                        prop = factory.createOSGiProperty();
+                        prop.setName(reader.getAttributeValue(null, NAME));
+                        // After the following call, the reader will be positioned at END_ELEMENT
+                        String text = reader.getElementText();
+                        if (text != null) {
+                            text = text.trim();
+                        }
+                        prop.setValue(text);
+                        return prop;
+                    }
+                    break;
+                case END_ELEMENT:
+                    name = reader.getName();
+                    if (PROPERTY_QNAME.equals(name)) {
+                        return prop;
+                    }
+                    break;
+            }
+            if (reader.hasNext()) {
+                event = reader.next();
+            } else {
+                return prop;
+            }
+        }
+    }
+
+    public QName getArtifactType() {
+        return PROPERTY_QNAME;
+    }
+
+    public void write(OSGiProperty model, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+        writer.writeStartElement(PROPERTY_QNAME.getNamespaceURI(), PROPERTY_QNAME.getLocalPart());
+        writer.writeAttribute(NAME, model.getName());
+        writer.writeCharacters(model.getValue());
+        writer.writeEndElement();
+    }
+
+    public Class<OSGiProperty> getModelType() {
+        return OSGiProperty.class;
+    }
+
+    public void resolve(OSGiProperty model, ModelResolver resolver) throws ContributionResolveException {
+        // TODO: To be implemented
+    }
+}
diff --git a/java/sca/modules/implementation-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/java/sca/modules/implementation-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
index 31c557157a..c9ee094d9b 100644
--- a/java/sca/modules/implementation-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
+++ b/java/sca/modules/implementation-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -18,3 +18,4 @@
 # Implementation class for the artifact processor extension
 org.apache.tuscany.sca.implementation.osgi.xml.OSGiImplementationProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.1#implementation.osgi,model=org.apache.tuscany.sca.implementation.osgi.OSGiImplementation
 org.apache.tuscany.sca.implementation.osgi.xml.ServiceDescriptionsProcessor;qname=http://www.osgi.org/xmlns/sd/v1.0.0#service-descriptions;model=org.apache.tuscany.sca.implementation.osgi.ServiceDescriptions
+org.apache.tuscany.sca.implementation.osgi.xml.OSGiPropertyProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.1#osgi.property,model=org.apache.tuscany.sca.implementation.osgi.OSGiProperty