Apache CXF example source code file (JAXWSHttpSpiDestination.java)

This example Apache CXF source code file (JAXWSHttpSpiDestination.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

cachedoutputstream, exception, exception, exchangeimpl, http, httpservletresponse, ioexception, ioexception, jaxwshttpspidestination, log, log, logger, logging, request, response, runtimeexception, runtimeexception, servlet, string, string

The Apache CXF JAXWSHttpSpiDestination.java source code

/**
 * 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.cxf.transport.http_jaxws_spi;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.continuations.SuspendedInvocationException;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.http.AbstractHTTPDestination;
import org.apache.cxf.transport.http.HTTPSession;
import org.apache.cxf.transports.http.QueryHandler;
import org.apache.cxf.transports.http.QueryHandlerRegistry;
import org.apache.cxf.transports.http.StemMatchingQueryHandler;

public class JAXWSHttpSpiDestination extends AbstractHTTPDestination {

    static final Logger LOG = LogUtils.getL7dLogger(JAXWSHttpSpiDestination.class);

    private static final long serialVersionUID = 1L;

    public JAXWSHttpSpiDestination(Bus b, EndpointInfo ei)
        throws IOException {
        super(b, ei, false);
    }

    @Override
    protected Logger getLogger() {
        return LOG;
    }
    
    /**
     * This is called by handlers for servicing requests
     * 
     * @param context
     * @param req
     * @param resp
     * @throws IOException
     */
    protected void doService(HttpServletRequest req, HttpServletResponse resp)
        throws IOException {

        QueryHandlerRegistry queryHandlerRegistry = bus.getExtension(QueryHandlerRegistry.class);
        
        if (null != req.getQueryString() && queryHandlerRegistry != null) {   
            String reqAddr = req.getRequestURL().toString();
            String requestURL =  reqAddr + "?" + req.getQueryString();
            String pathInfo = req.getPathInfo();                     
            for (QueryHandler qh : queryHandlerRegistry.getHandlers()) {
                boolean recognized =
                    qh instanceof StemMatchingQueryHandler
                    ? ((StemMatchingQueryHandler)qh).isRecognizedQuery(requestURL,
                                                                       pathInfo,
                                                                       endpointInfo,
                                                                       contextMatchOnExact())
                    : qh.isRecognizedQuery(requestURL, pathInfo, endpointInfo);
                if (recognized) {
                    //replace the endpointInfo address with request url only for get wsdl
                    String errorMsg = null;
                    CachedOutputStream out = new CachedOutputStream();
                    try {
                        synchronized (endpointInfo) {
                            String oldAddress = endpointInfo.getAddress(); 
                            endpointInfo.setAddress(reqAddr);   
                            resp.setContentType(qh.getResponseContentType(requestURL, pathInfo));
                            try {
                                qh.writeResponse(requestURL, pathInfo, endpointInfo, out);
                            } catch (Exception ex) {
                                LOG.log(Level.WARNING, "writeResponse failed: ", ex);
                                errorMsg = ex.getMessage();
                            }
                            endpointInfo.setAddress(oldAddress);
                        }
                        if (errorMsg != null) {
                            resp.sendError(500, errorMsg);
                        } else {
                            out.writeCacheTo(resp.getOutputStream());
                            resp.getOutputStream().flush();                     
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                        throw new RuntimeException(e);
                    } finally {
                        out.close();
                    }
                    return;
                }
            }
        }
        
        try {
            BusFactory.setThreadDefaultBus(bus);
            serviceRequest(req, resp);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            BusFactory.setThreadDefaultBus(null);
        }
    }

    protected void serviceRequest(final HttpServletRequest req, final HttpServletResponse resp)
        throws IOException {
        
        if (LOG.isLoggable(Level.FINE)) {
            LOG.fine("Service http request on thread: " + Thread.currentThread());
        }
        Message inMessage = new MessageImpl();
        setupMessage(inMessage, null, req, resp);

        ((MessageImpl)inMessage).setDestination(this);

        ExchangeImpl exchange = new ExchangeImpl();
        exchange.setInMessage(inMessage);
        exchange.setSession(new HTTPSession(req));

        try {
            incomingObserver.onMessage(inMessage);
            resp.flushBuffer();
        } catch (SuspendedInvocationException ex) {
            if (ex.getRuntimeException() != null) {
                throw ex.getRuntimeException();
            }
            // else nothing to do
        } catch (Fault ex) {
            Throwable cause = ex.getCause();
            if (cause instanceof RuntimeException) {
                throw (RuntimeException)cause;
            } else {
                throw ex;
            }
        } catch (RuntimeException ex) {
            throw ex;
        } finally {
            if (LOG.isLoggable(Level.FINE)) {
                LOG.fine("Finished servicing http request on thread: " + Thread.currentThread());
            }
        }
    }
    
    protected String getBasePath(String contextPath) throws IOException {
        return contextPath + getAddress().getAddress().getValue();
    }

}