Initial implementation for JSON wire format for REST binding

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@937850 13f79535-47bb-0310-9956-ffa450edef68

6 files changed, 287 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/JSONWireFormat.java b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/JSONWireFormat.java
new file mode 100644
index 0000000000..335ef66abf
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/JSONWireFormat.java
@@ -0,0 +1,43 @@
+/*
+ * 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.rest.wireformat.json;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.WireFormat;
+
+/**
+ * JSON Wireformat model for REST Binding
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JSONWireFormat extends WireFormat {
+
+    /**
+     *  QName representing the JSON Wireformat for REST Binding 
+     */
+    public static final QName REST_WIREFORMAT_JSON_QNAME = new QName(SCA11_TUSCANY_NS, "wireFormat.jsonrpc");
+    
+    /**
+     * Return the QName identifying the wire format 
+     * @return the QName identifying the wire format
+     */
+    QName getSchemaName();
+}
diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/JSONWireFormatFactory.java b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/JSONWireFormatFactory.java
new file mode 100644
index 0000000000..f297320b39
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/JSONWireFormatFactory.java
@@ -0,0 +1,34 @@
+/*
+ * 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.rest.wireformat.json;
+
+/**
+ * JSON Wireformat factory for REST Binding
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JSONWireFormatFactory {
+
+    /**
+     * Create a new JSON wireformat for REST Binding
+     * @return the new JSON wire format
+     */
+    JSONWireFormat createRESTWireFormatJSON();
+}
diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatFactoryImpl.java b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatFactoryImpl.java
new file mode 100644
index 0000000000..0ddeb8e557
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatFactoryImpl.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.rest.wireformat.json.impl;
+
+import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormat;
+import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormatFactory;
+
+/**
+ * JSON Wireformat factory implementation for REST Binding
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JSONWireFormatFactoryImpl implements JSONWireFormatFactory {
+
+    public JSONWireFormat createRESTWireFormatJSON() {
+        return new JSONWireFormatImpl();
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatImpl.java b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatImpl.java
new file mode 100644
index 0000000000..2ce3b95453
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatImpl.java
@@ -0,0 +1,44 @@
+/*
+ * 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.rest.wireformat.json.impl;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormat;
+
+/**
+ * JSON Wireformat implementation for REST Binding
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JSONWireFormatImpl implements JSONWireFormat {
+
+    public QName getSchemaName() {
+        return JSONWireFormat.REST_WIREFORMAT_JSON_QNAME;
+    }
+
+    public boolean isUnresolved() {
+        return false;
+    }
+
+    public void setUnresolved(boolean unresolved) {
+        // no op
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormatFactory b/sca-java-2.x/trunk/modules/binding-rest/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormatFactory
new file mode 100644
index 0000000000..8cc248c7d1
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormatFactory
@@ -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 model factory
+org.apache.tuscany.sca.binding.rest.wireformat.json.impl.JSONWireFormatFactoryImpl
\ No newline at end of file
diff --git a/sca-java-2.x/trunk/modules/binding-rest/src/test/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatProcessorTestCase.java b/sca-java-2.x/trunk/modules/binding-rest/src/test/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatProcessorTestCase.java
new file mode 100644
index 0000000000..da7fb9e871
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/binding-rest/src/test/java/org/apache/tuscany/sca/binding/rest/wireformat/json/impl/JSONWireFormatProcessorTestCase.java
@@ -0,0 +1,111 @@
+/*
+ * 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.rest.wireformat.json.impl;
+
+import java.io.ByteArrayOutputStream;
+import java.io.StringReader;
+
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.assembly.WireFormat;
+import org.apache.tuscany.sca.binding.rest.RESTBinding;
+import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormat;
+import org.apache.tuscany.sca.contribution.processor.DefaultStAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * JSON wire format processor tests to verify properly processing of 
+ * wireFormat content in binding configuration in the composite file
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JSONWireFormatProcessorTestCase {
+
+    public static final String BINDING_WITH_WIRE_FORMAT = 
+        "<binding.rest xmlns=\"http://tuscany.apache.org/xmlns/sca/1.1\" uri=\"http://localhost:8080/uri\">"
+        +    "<wireFormat.json />"
+        + "</binding.rest>";
+    
+    private static XMLInputFactory inputFactory;
+    private static XMLOutputFactory outputFactory;
+    private static ExtensibleStAXArtifactProcessor staxProcessor;
+    private static ProcessorContext context;
+    
+    @BeforeClass
+    public static void setUp() throws Exception {
+        DefaultExtensionPointRegistry extensionPoints = new DefaultExtensionPointRegistry();
+        inputFactory = XMLInputFactory.newInstance();
+        outputFactory = XMLOutputFactory.newInstance();
+        
+        context = new ProcessorContext(extensionPoints);
+
+        StAXArtifactProcessorExtensionPoint staxProcessors = new DefaultStAXArtifactProcessorExtensionPoint(extensionPoints);
+        staxProcessor = new ExtensibleStAXArtifactProcessor(staxProcessors, inputFactory, outputFactory);
+
+    }
+    
+    /**
+     * Tests the APIs:
+     *     public WireFormat getRequstWireFormat();
+     *     public WireFormat getResponseWireFormat();
+     * 
+     * @throws Exception
+     */
+    @Test
+    public void testWireFormat() throws Exception {
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(BINDING_WITH_WIRE_FORMAT));
+        
+        RESTBinding binding = (RESTBinding)staxProcessor.read(reader, context);        
+        Assert.assertNotNull(binding);
+        
+        WireFormat requestWireFormat = binding.getRequestWireFormat();
+        Assert.assertEquals(JSONWireFormat.class, requestWireFormat.getClass().getInterfaces()[0]);
+        
+        WireFormat responseWireFormat = binding.getResponseWireFormat();
+        Assert.assertEquals(JSONWireFormat.class, responseWireFormat.getClass().getInterfaces()[0]);
+    }
+    
+    @Test
+    public void testWriteWireFormat() throws Exception {
+        XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(BINDING_WITH_WIRE_FORMAT));
+        
+        RESTBinding binding = (RESTBinding)staxProcessor.read(reader, context);
+        Assert.assertNotNull(binding);
+        reader.close();
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        staxProcessor.write(binding, bos, context);
+
+        // used for debug comparison
+         System.out.println(BINDING_WITH_WIRE_FORMAT);
+         System.out.println(bos.toString());
+
+        Assert.assertEquals(BINDING_WITH_WIRE_FORMAT, bos.toString());      
+        
+    }      
+}