diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json')
4 files changed, 403 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatInterceptor.java b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatInterceptor.java new file mode 100644 index 0000000000..e5ce32328c --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatInterceptor.java @@ -0,0 +1,159 @@ +/* + * 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.provider; + +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.StringWriter; + +import org.apache.tuscany.sca.binding.rest.RESTBinding; +import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormat; +import org.apache.tuscany.sca.common.http.HTTPContext; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.json.JSONObject; + +/** + * JSON wire format Interceptor. + * + * @version $Rev$ $Date$ +*/ +public class JSONWireFormatInterceptor implements Interceptor { + private Invoker next; + private RESTBinding binding; + + public JSONWireFormatInterceptor(ExtensionPointRegistry extensionPoints, RuntimeEndpoint endpoint) { + this.binding = (RESTBinding) endpoint.getBinding(); + } + + public Invoker getNext() { + return next; + } + + public void setNext(Invoker next) { + this.next = next; + } + + public Message invoke(Message msg) { + HTTPContext bindingContext = (HTTPContext) msg.getBindingContext(); + if (bindingContext == null) { + return getNext().invoke(msg); + } + + + if (binding.getRequestWireFormat() instanceof JSONWireFormat) { + if( isPayloadSupported(bindingContext.getHttpRequest().getMethod()) && msg.getBody() != null) { + msg = invokeRequest(bindingContext, msg); + } + } + + msg = getNext().invoke(msg); + + //if it's oneway return back + Operation operation = msg.getOperation(); + if (operation != null && operation.isNonBlocking()) { + return msg; + } + + if (binding.getResponseWireFormat() instanceof JSONWireFormat) { + msg = invokeResponse(bindingContext, msg); + } + + return msg; + } + + /** + * Handle any wire format specific transformations required for request data + * @param bindingContext the binding context (e.g. HTTP Request, Response objects) + * @param msg the invocation message + * @return processed request message + */ + private Message invokeRequest(HTTPContext bindingContext, Message msg) { + + // Decode using the charset in the request if it exists otherwise + // use UTF-8 as this is what all browser implementations use. + String charset = bindingContext.getHttpRequest().getCharacterEncoding(); + if (charset == null) { + charset = "UTF-8"; + } + + try { + Object[] args = msg.getBody(); + InputStream in = (InputStream) args[0]; + String data = read(in, charset); + JSONObject jsonPayload = new JSONObject(data); + msg.setBody(new Object[]{jsonPayload}); + } catch(Exception e) { + throw new RuntimeException("Unable to parse json paylod: " + msg.getBody().toString()); + } + + return msg; + } + + /** + * Handle any wire format specific transformation required for the response data + * @param bindingContext the binding context (e.g. HTTP Request, Response objects) + * @param msg the response message + * @return processed response message + */ + private Message invokeResponse(HTTPContext bindingContext, Message msg) { + return msg; + } + + + /** + * Check if HTTP Operation should support payload + * @param operation + * @return + */ + private static boolean isPayloadSupported(String operation) { + boolean isGet = "get".equalsIgnoreCase(operation); + boolean isDelete = "delete".equalsIgnoreCase(operation); + + return isGet == false && isDelete == false; + } + + /** + * Read JSON payload from HTTP Request Body + * @param in + * @param charset + * @return + * @throws IOException + */ + private static String read(InputStream in, String charset) throws IOException { + StringWriter sw = new StringWriter(); + InputStreamReader reader = new InputStreamReader(in, "UTF-8"); + char[] buf = new char[8192]; + while (true) { + int size = reader.read(buf); + if (size < 0) { + break; + } + sw.write(buf, 0, size); + } + return sw.toString(); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatProviderFactory.java b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatProviderFactory.java new file mode 100644 index 0000000000..6b1bb6cca7 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatProviderFactory.java @@ -0,0 +1,52 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormat; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.provider.WireFormatProvider; +import org.apache.tuscany.sca.provider.WireFormatProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * JSON wire format Provider Factory. + * + * @version $Rev$ $Date$ +*/ +public class JSONWireFormatProviderFactory implements WireFormatProviderFactory<JSONWireFormat>{ + private ExtensionPointRegistry extensionPoints; + + public JSONWireFormatProviderFactory(ExtensionPointRegistry extensionPoints) { + this.extensionPoints = extensionPoints; + } + public WireFormatProvider createReferenceWireFormatProvider(RuntimeEndpointReference endpointReference) { + return new JSONWireFormatReferenceProvider(extensionPoints, endpointReference); + } + + public WireFormatProvider createServiceWireFormatProvider(RuntimeEndpoint endpoint) { + return new JSONWireFormatServiceProvider(extensionPoints, endpoint); + } + + public Class<JSONWireFormat> getModelType() { + return JSONWireFormat.class; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatReferenceProvider.java b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatReferenceProvider.java new file mode 100644 index 0000000000..830b02a3e8 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatReferenceProvider.java @@ -0,0 +1,54 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.provider.WireFormatProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; + +/** + * JSON wire format Reference Provider. + * + * @version $Rev$ $Date$ +*/ +public class JSONWireFormatReferenceProvider implements WireFormatProvider { + private ExtensionPointRegistry extensionPoints; + private RuntimeEndpointReference endpointReference; + + public JSONWireFormatReferenceProvider(ExtensionPointRegistry extensionPoints,RuntimeEndpointReference endpointReference ) { + this.extensionPoints = extensionPoints; + this.endpointReference = endpointReference; + } + public InterfaceContract configureWireFormatInterfaceContract(InterfaceContract interfaceContract) { + return null; + } + + public Interceptor createInterceptor() { + return null; + } + + public String getPhase() { + return Phase.REFERENCE_BINDING_WIREFORMAT; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatServiceProvider.java b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatServiceProvider.java new file mode 100644 index 0000000000..754fdfc73e --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/wireformat/json/provider/JSONWireFormatServiceProvider.java @@ -0,0 +1,138 @@ +/* + * 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.provider; + +import java.util.List; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.binding.rest.provider.JAXRSHelper; +import org.apache.tuscany.sca.binding.rest.wireformat.json.JSONWireFormat; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding; +import org.apache.tuscany.sca.databinding.json.JSONDataBinding; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.invocation.Interceptor; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.provider.WireFormatProvider; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; + +/** + * JSON wire format service provider. + * + * @version $Rev$ $Date$ +*/ +public class JSONWireFormatServiceProvider implements WireFormatProvider { + private ExtensionPointRegistry extensionPoints; + private RuntimeEndpoint endpoint; + + private InterfaceContract serviceContract; + private Binding binding; + private boolean jaxrs; + + public JSONWireFormatServiceProvider(ExtensionPointRegistry extensionPoints, RuntimeEndpoint endpoint) { + this.extensionPoints = extensionPoints; + this.endpoint = endpoint; + this.binding = endpoint.getBinding(); + this.jaxrs = isJAXRSResource(); + } + + private boolean isJAXRSResource() { + Interface interfaze = endpoint.getComponentServiceInterfaceContract().getInterface(); + if (interfaze instanceof JavaInterface) { + if (JAXRSHelper.isJAXRSResource(((JavaInterface)interfaze).getJavaClass())) { + return true; + } + } + return false; + } + + public InterfaceContract configureWireFormatInterfaceContract(InterfaceContract interfaceContract) { + serviceContract = interfaceContract; + + if (!jaxrs) { + boolean configureInput = binding.getRequestWireFormat() != null; + boolean configureOutput = binding.getRequestWireFormat() != null || binding.getResponseWireFormat() != null; + + //set JSON databinding + setDataBinding(serviceContract.getInterface(), configureInput, configureOutput); + } + + return serviceContract; + } + + public Interceptor createInterceptor() { + if (jaxrs) { + return null; + } + if( (binding.getRequestWireFormat() != null && binding.getRequestWireFormat() instanceof JSONWireFormat) || + (binding.getResponseWireFormat() != null && binding.getResponseWireFormat() instanceof JSONWireFormat) ){ + return new JSONWireFormatInterceptor(extensionPoints, endpoint); + } + return null; + } + + public String getPhase() { + return Phase.SERVICE_BINDING_WIREFORMAT; + } + + + /** + * Utility method to reset data binding for the interface contract. + * We need to handle special case where : + * - global wire format for binding + * - wire format configured only for response + * @param interfaze + */ + @SuppressWarnings({"deprecation", "unchecked"}) + private void setDataBinding(Interface interfaze, boolean configureInput, boolean configureOutput) { + List<Operation> operations = interfaze.getOperations(); + for (Operation operation : operations) { + // handle input types + if (configureInput) { + operation.setDataBinding(JSONDataBinding.NAME); + DataType<List<DataType>> inputType = operation.getInputType(); + if (inputType != null) { + List<DataType> logical = inputType.getLogical(); + for (DataType inArg : logical) { + if (!SimpleJavaDataBinding.NAME.equals(inArg.getDataBinding())) { + inArg.setDataBinding(JSONDataBinding.NAME); + } + } + } + } + + // handle output types + if (configureOutput) { + List<DataType> outputTypes = operation.getOutputType().getLogical(); + for ( DataType outputType : outputTypes) { + if (outputType != null) { + if (!SimpleJavaDataBinding.NAME.equals(outputType.getDataBinding())) { + outputType.setDataBinding(JSONDataBinding.NAME); + } + } + } + } + } + } +} |