Moving 1.x trunk

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835700 13f79535-47bb-0310-9956-ffa450edef68

10 files changed, 737 insertions, 0 deletions

diff --git a/sca-java-1.x/trunk/modules/binding-gdata/LICENSE b/sca-java-1.x/trunk/modules/binding-gdata/LICENSE
new file mode 100644
index 0000000000..d645695673
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/LICENSE
@@ -0,0 +1,202 @@
+
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+                           Version 2.0, January 2004
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+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
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+      or a Contribution incorporated within the Work constitutes direct
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+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
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+      meet the following conditions:
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+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
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+      (c) You must retain, in the Source form of any Derivative Works
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+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
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+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
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+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
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diff --git a/sca-java-1.x/trunk/modules/binding-gdata/NOTICE b/sca-java-1.x/trunk/modules/binding-gdata/NOTICE
new file mode 100644
index 0000000000..841fb69681
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/NOTICE
@@ -0,0 +1,8 @@
+${pom.name}
+Copyright (c) 2005 - 2009 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
+
+
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/pom.xml b/sca-java-1.x/trunk/modules/binding-gdata/pom.xml
new file mode 100644
index 0000000000..2dcbef6f7b
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/pom.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-modules</artifactId>
+        <version>1.6-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>tuscany-binding-gdata</artifactId>
+    <name>Apache Tuscany SCA Gdata Binding Extension</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-core-spi</artifactId>
+            <version>1.6-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-assembly-xml</artifactId>
+            <version>1.6-SNAPSHOT</version>
+        </dependency>
+        
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-assembly</artifactId>
+            <version>1.6-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.5</version>
+            <scope>test</scope>
+        </dependency>
+        
+    </dependencies>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+
+                <configuration>
+                    <instructions>
+                        <Bundle-Version>${tuscany.version}</Bundle-Version>
+                        <Bundle-SymbolicName>org.apache.tuscany.sca.binding.gdata</Bundle-SymbolicName>
+                        <Bundle-Description>${pom.name}</Bundle-Description>
+                        <Export-Package>org.apache.tuscany.sca.binding.gdata*</Export-Package>
+                    </instructions>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/GdataBinding.java b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/GdataBinding.java
new file mode 100644
index 0000000000..a3a0b834cd
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/GdataBinding.java
@@ -0,0 +1,78 @@
+/*
+ * 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.binding.gdata;
+
+import org.apache.tuscany.sca.assembly.Binding;
+
+/**
+ * Gdata binding model.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface GdataBinding extends Binding {
+    
+    /**
+     * Returns the title of the GData collection.
+     * @return
+     */
+    String getTitle();
+    
+    /**
+     * Sets the title of the GData collection.
+     * @param title
+     */
+    void setTitle(String title);
+    
+    /**
+     * Returns the username to be used when authenticating with GData Services
+     * @return
+     */
+    String getUsername();    
+    
+    /**
+     * Sets the username to be used when authenticating with GData Services
+     * @param username
+     */
+    void setUsername(String username);
+    
+    /**
+     * Returns the password to be used when authenticating with GData Services
+     * @return
+     */
+    String getPassword();  
+    
+    /**
+     * Sets the password to be used when authenticating with GData Services
+     * @param password
+     */
+    void setPassword(String password);   
+    
+    /**
+     * Returns the type os service being used
+     * @return
+     */
+    String getServiceType();
+    
+    /**
+     * Sets the type of service being used
+     * @param serviceType
+     */
+    void setServiceType(String serviceType);  
+}
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/GdataBindingFactory.java b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/GdataBindingFactory.java
new file mode 100644
index 0000000000..5cfc688dcb
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/GdataBindingFactory.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.binding.gdata;
+
+/**
+ * Factory for the GData binding
+ *
+ * @version $Rev$ $Date$
+ */
+public interface GdataBindingFactory {
+
+    /**
+     * Creates a new GData binding.
+     * @return the new GData binding
+     */
+    GdataBinding createGdataBinding();
+
+}
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingFactoryImpl.java b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingFactoryImpl.java
new file mode 100644
index 0000000000..87f3597248
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingFactoryImpl.java
@@ -0,0 +1,36 @@
+/*
+ * 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.binding.gdata.impl;
+
+import org.apache.tuscany.sca.binding.gdata.GdataBinding;
+import org.apache.tuscany.sca.binding.gdata.GdataBindingFactory;
+
+/**
+ * Factory for the GData binding model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class GdataBindingFactoryImpl implements GdataBindingFactory {
+
+    public GdataBinding createGdataBinding() {
+        return new GdataBindingImpl();
+    }
+
+}
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingImpl.java b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingImpl.java
new file mode 100644
index 0000000000..b4b0a5f449
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingImpl.java
@@ -0,0 +1,141 @@
+/*
+ * 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.binding.gdata.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.binding.gdata.GdataBinding;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+
+/**
+ * Implementation of the GData binding model.
+ *
+ * @version $Rev$ $Date$
+ */
+class GdataBindingImpl implements GdataBinding, PolicySetAttachPoint {
+
+    private String name;
+    private String uri;
+    private String title;
+    private String username;
+    private String password;
+    private String serviceType;
+    
+    private List<Intent> requiredIntents = new ArrayList<Intent>();
+    private List<PolicySet> policySets = new ArrayList<PolicySet>();
+    private IntentAttachPointType intentAttachPointType;
+    private List<PolicySet> applicablePolicySets = new ArrayList<PolicySet>();
+
+    public String getName() {
+        return name;
+    }
+
+    public String getURI() {
+        return uri;
+    }
+    
+    public String getTitle() {
+        return title;
+    }
+    
+    public String getUsername(){
+        return username;
+    }
+    
+    public String getPassword(){
+        return password;
+    }
+    
+    public String getServiceType(){
+        return serviceType;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setURI(String uri) {
+        this.uri = uri;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+    
+    public void setUsername(String username) {
+        this.username = username;
+    }
+    
+    public void setPassword(String password) {
+        this.password = password;
+    }
+    
+    public void setServiceType(String serviceType) {
+        this.serviceType = serviceType;
+    }
+
+    public boolean isUnresolved() {
+        // The binding is always resolved
+        return false;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+        // The binding is always resolved
+    }
+
+    //Policy related getters/setters
+
+    public List<PolicySet> getApplicablePolicySets() {
+        return applicablePolicySets;
+    }
+    
+    public List<PolicySet> getPolicySets() {
+        return policySets;
+    }
+    
+    public List<Intent> getRequiredIntents() {
+        return requiredIntents;
+    }
+
+    public IntentAttachPointType getType() {
+        return intentAttachPointType;
+    }
+    
+    public void setType(IntentAttachPointType intentAttachPointType) {
+        this.intentAttachPointType = intentAttachPointType;
+    }
+
+    public void setPolicySets(List<PolicySet> policySets) {
+        this.policySets = policySets; 
+    }
+
+    public void setRequiredIntents(List<Intent> intents) {
+        this.requiredIntents = intents;
+    }
+    
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+}
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingProcessor.java b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingProcessor.java
new file mode 100644
index 0000000000..dea035559b
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/src/main/java/org/apache/tuscany/sca/binding/gdata/impl/GdataBindingProcessor.java
@@ -0,0 +1,121 @@
+/*
+ * 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.binding.gdata.impl;
+
+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.binding.gdata.GdataBinding;
+import org.apache.tuscany.sca.binding.gdata.GdataBindingFactory;
+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;
+
+/**
+ * A processor for <binding.gdata> elements.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class GdataBindingProcessor implements StAXArtifactProcessor<GdataBinding> {
+
+    private QName BINDING_GDATA = new QName("http://tuscany.apache.org/xmlns/sca/1.0", "binding.gdata");
+    
+    private final GdataBindingFactory factory;
+    
+    public GdataBindingProcessor(ModelFactoryExtensionPoint modelFactories) {
+        this.factory = modelFactories.getFactory(GdataBindingFactory.class);
+        //System.out.println("[Debug Info]GdataBindingProcessor reached");
+    }
+
+    public QName getArtifactType() {
+        return BINDING_GDATA;
+    }
+
+    public Class<GdataBinding> getModelType() {
+        return GdataBinding.class;
+    }
+
+    public GdataBinding read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
+    	GdataBinding gdataBinding = factory.createGdataBinding();
+
+    	String name = reader.getAttributeValue(null, "name");
+    	if (name != null) {
+    		gdataBinding.setName(name);
+    	}
+
+    	String uri = reader.getAttributeValue(null, "uri");
+    	if (uri != null) {
+    		gdataBinding.setURI(uri);
+    	}
+
+    	String serviceType = reader.getAttributeValue(null, "serviceType");
+    	if (serviceType != null) {
+    		gdataBinding.setServiceType(serviceType);
+    	}
+
+    	String username = reader.getAttributeValue(null, "username");
+    	if (username != null) {
+    		gdataBinding.setUsername(username);
+    	}
+
+    	String password = reader.getAttributeValue(null, "password");
+    	if (password != null) {
+    		gdataBinding.setPassword(password);
+    	}        
+
+
+    	return gdataBinding;
+    }
+    
+    public void write(GdataBinding gdataBinding, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
+    	writer.writeStartElement(BINDING_GDATA.getNamespaceURI(), BINDING_GDATA.getLocalPart());
+
+    	if (gdataBinding.getName() != null) {
+    		writer.writeAttribute("name", gdataBinding.getName());
+    	}
+
+    	if (gdataBinding.getURI() != null) {
+    		writer.writeAttribute("uri", gdataBinding.getURI());
+    	}
+
+    	if (gdataBinding.getServiceType() != null) {
+    		writer.writeAttribute("serviceType", gdataBinding.getServiceType());
+    	}
+
+    	if (gdataBinding.getUsername() != null) {
+    		writer.writeAttribute("username", gdataBinding.getUsername());
+    	}
+
+    	if (gdataBinding.getPassword() != null) {
+    		writer.writeAttribute("password", gdataBinding.getPassword());
+    	}
+
+    	writer.writeEndElement();
+    }
+
+    
+    public void resolve(GdataBinding gdataBinding, ModelResolver resolver) throws ContributionResolveException {
+
+    }
+}
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.gdata.GdataBindingFactory b/sca-java-1.x/trunk/modules/binding-gdata/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.gdata.GdataBindingFactory
new file mode 100644
index 0000000000..21688a62a6
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.gdata.GdataBindingFactory
@@ -0,0 +1,18 @@
+# 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 model factory
+org.apache.tuscany.sca.binding.gdata.impl.GdataBindingFactoryImpl
\ No newline at end of file
diff --git a/sca-java-1.x/trunk/modules/binding-gdata/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sca-java-1.x/trunk/modules/binding-gdata/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..4e71818f7b
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/binding-gdata/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.binding.gdata.impl.GdataBindingProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#binding.gdata,model=org.apache.tuscany.sca.binding.gdata.GdataBinding,factory=org.apache.tuscany.sca.binding.gdata.GdataBindingFactory
\ No newline at end of file