/**
* 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.camel.example.cxf.jaxrs;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.bean.BeanInvocation;
import org.apache.camel.component.cxf.CxfConstants;
import org.apache.camel.example.cxf.jaxrs.resources.Book;
import org.apache.camel.example.cxf.jaxrs.resources.BookStore;
import org.apache.camel.example.cxf.jaxrs.resources.BookStoreImpl;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.spring.Main;
import org.apache.camel.util.ObjectHelper;
public class CamelRouterBuilder extends RouteBuilder {
private static final String SOAP_ENDPOINT_URI = "cxf://http://localhost:9006/soap"
+ "?serviceClass=org.apache.camel.example.cxf.jaxrs.resources.BookStore";
private static final String REST_ENDPOINT_URI = "cxfrs://http://localhost:9002/rest"
+ "?resourceClasses=org.apache.camel.example.cxf.jaxrs.resources.BookStoreImpl";
/**
* Allow this route to be run as an application
*
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
CamelContext context = new DefaultCamelContext();
context.start();
context.addRoutes(new CamelRouterBuilder());
Thread.sleep(1000);
// JAXWSClient invocation
JAXWSClient jaxwsClient = new JAXWSClient();
BookStore bookStore = jaxwsClient.getBookStore();
bookStore.addBook(new Book("Camel User Guide", 234L));
Book book = bookStore.getBook(123L);
System.out.println("Get the book with id 123. " + book);
try {
book = bookStore.getBook(124L);
System.out.println("Get the book with id 124. " + book);
} catch (Exception exception) {
System.out.println("Get the exception " + exception);
}
// JAXRSClient invocation
JAXRSClient jaxrsClient = new JAXRSClient();
bookStore = jaxrsClient.getBookStore();
bookStore.addBook(new Book("Camel User Guide", 124L));
book = bookStore.getBook(124L);
System.out.println("Get the book with id 124. " + book);
try {
book = bookStore.getBook(126L);
System.out.println("Get the book with id 126. " + book);
} catch (Exception exception) {
System.out.println("Get the exception " + exception.getCause());
}
Thread.sleep(1000);
context.stop();
System.exit(0);
}
public void configure() {
errorHandler(noErrorHandler());
// populate the message queue with some messages
from(SOAP_ENDPOINT_URI)
.process(new MappingProcessor(new BookStoreImpl(false)));
from(REST_ENDPOINT_URI)
.process(new MappingProcessor(new BookStoreImpl(true)));
}
// Mapping the request to object's invocation
private class MappingProcessor implements Processor {
private Class beanClass;
private Object instance;
public MappingProcessor(Object obj) {
beanClass = obj.getClass();
instance = obj;
}
public void process(Exchange exchange) throws Exception {
String operationName = exchange.getIn().getHeader(CxfConstants.OPERATION_NAME, String.class);
Method method = findMethod(operationName, exchange.getIn().getBody(Object[].class));
try {
Object response = method.invoke(instance, exchange.getIn().getBody(Object[].class));
exchange.getOut().setBody(response);
} catch (InvocationTargetException e) {
throw (Exception)e.getCause();
}
}
private Method findMethod(String operationName, Object[] parameters) throws SecurityException, NoSuchMethodException {
return beanClass.getMethod(operationName, getParameterTypes(parameters));
}
private Class[] getParameterTypes(Object[] parameters) {
if (parameters == null) {
return new Class[0];
}
Class[] answer = new Class[parameters.length];
int i = 0;
for (Object object : parameters) {
answer[i] = object.getClass();
i++;
}
return answer;
}
}
}