/*
* 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.xml.provider;
import java.util.List;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.binding.rest.provider.JAXRSHelper;
import org.apache.tuscany.sca.binding.rest.wireformat.xml.XMLWireFormat;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding;
import org.apache.tuscany.sca.databinding.xml.XMLStringDataBinding;
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;
/**
* XML wire format service provider.
*
* @version $Rev$ $Date$
*/
public class XMLWireFormatServiceProvider implements WireFormatProvider {
private static final String DATABABINDING = XMLStreamReader.class.getName();
private ExtensionPointRegistry extensionPoints;
private RuntimeEndpoint endpoint;
private InterfaceContract serviceContract;
private Binding binding;
private boolean jaxrs;
public XMLWireFormatServiceProvider(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 XML databinding
setDataBinding(serviceContract.getInterface(), configureInput, configureOutput);
}
return serviceContract;
}
public Interceptor createInterceptor() {
if (jaxrs) {
return null;
}
if( (binding.getRequestWireFormat() != null && binding.getRequestWireFormat() instanceof XMLWireFormat) ||
(binding.getResponseWireFormat() != null && binding.getResponseWireFormat() instanceof XMLWireFormat) ){
return new XMLWireFormatInterceptor(extensionPoints, endpoint);
}
return null;
}
public String getPhase() {
return Phase.SERVICE_BINDING_WIREFORMAT;
}
/**
* Utility method to reset data binding for the interface contract
* @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(DATABABINDING);
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(DATABABINDING);
}
}
}
}
// handle output types
if (configureOutput) {
DataType outputType = operation.getOutputType();
if (outputType != null) {
outputType.setDataBinding(XMLStringDataBinding.NAME);
}
}
}
}
}