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Apache CXF example source code file (SpringBusFactory.java)

This example Apache CXF source code file (SpringBusFactory.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

app_context_creation_failed_msg, applicationcontext, beansexception, bus, bus, busapplicationcontext, busapplicationcontext, busapplicationcontextlifecyclelistener, classloader, log, logging, net, network, object, object, runtimeexception, springbusfactory, springbusfactory

The Apache CXF SpringBusFactory.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.bus.spring;

import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.buslifecycle.BusLifeCycleListener;
import org.apache.cxf.buslifecycle.BusLifeCycleManager;
import org.apache.cxf.common.logging.LogUtils;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;

public class SpringBusFactory extends BusFactory {
    
    private static final Logger LOG = LogUtils.getL7dLogger(SpringBusFactory.class);
    
    private final ApplicationContext context;

    public SpringBusFactory() {
        this.context = null;
    }

    public SpringBusFactory(ApplicationContext context) {
        this.context = context;
    }
    
    public ApplicationContext getApplicationContext() {
        return context;
    }
        
    public Bus createBus() {
        return createBus((String)null);
    }
    
    private boolean defaultBusNotExists() {
        if (null != context) {
            return !context.containsBean(Bus.DEFAULT_BUS_ID);
        }
        return true;
    }

    public Bus createBus(String cfgFile) {
        return createBus(cfgFile, defaultBusNotExists());
    }
    
    public Bus createBus(String cfgFiles[]) {
        return createBus(cfgFiles, defaultBusNotExists());
    }
        
    private Bus finishCreatingBus(BusApplicationContext bac) {
        final Bus bus = (Bus)bac.getBean(Bus.DEFAULT_BUS_ID);

        bus.setExtension(bac, BusApplicationContext.class);

        possiblySetDefaultBus(bus);
        
        initializeBus(bus);        
        
        registerApplicationContextLifeCycleListener(bus, bac);
        return bus;
    }
    
    public Bus createBus(String cfgFile, boolean includeDefaults) {
        if (cfgFile == null) {
            return createBus((String[])null, includeDefaults);
        }
        return createBus(new String[] {cfgFile}, includeDefaults);
    }    
    
    public Bus createBus(String cfgFiles[], boolean includeDefaults) {
        try {      
            return finishCreatingBus(createApplicationContext(cfgFiles, includeDefaults));
        } catch (BeansException ex) {
            LogUtils.log(LOG, Level.WARNING, "APP_CONTEXT_CREATION_FAILED_MSG", ex, (Object[])null);
            throw new RuntimeException(ex);
        }
    }
    
    private BusApplicationContext createApplicationContext(String cfgFiles[], boolean includeDefaults) {
        try {      
            return new BusApplicationContext(cfgFiles, includeDefaults, context);
        } catch (BeansException ex) {
            LogUtils.log(LOG, Level.WARNING, "INITIAL_APP_CONTEXT_CREATION_FAILED_MSG", ex, (Object[])null);
            ClassLoader contextLoader = Thread.currentThread().getContextClassLoader();
            if (contextLoader != BusApplicationContext.class.getClassLoader()) {
                Thread.currentThread().setContextClassLoader(
                    BusApplicationContext.class.getClassLoader());
                try {
                    return new BusApplicationContext(cfgFiles, includeDefaults, context);        
                } finally {
                    Thread.currentThread().setContextClassLoader(contextLoader);
                }
            } else {
                throw ex;
            }
        }
    }
    
    public Bus createBus(URL url) {
        return createBus(url, defaultBusNotExists());
    }
    public Bus createBus(URL[] urls) {
        return createBus(urls, defaultBusNotExists());
    }
    
    public Bus createBus(URL url, boolean includeDefaults) {
        if (url == null) {
            return createBus((URL[])null, includeDefaults);
        }
        return createBus(new URL[] {url}, includeDefaults);
    }
    
    public Bus createBus(URL[] urls, boolean includeDefaults) {
        try {      
            return finishCreatingBus(new BusApplicationContext(urls, includeDefaults, context));
        } catch (BeansException ex) {
            LogUtils.log(LOG, Level.WARNING, "APP_CONTEXT_CREATION_FAILED_MSG", ex, (Object[])null);
            throw new RuntimeException(ex);
        }
    }

    void registerApplicationContextLifeCycleListener(Bus bus, BusApplicationContext bac) {
        BusLifeCycleManager lm = bus.getExtension(BusLifeCycleManager.class);
        if (null != lm) {
            lm.registerLifeCycleListener(new BusApplicationContextLifeCycleListener(bac));
        }
    } 

    static class BusApplicationContextLifeCycleListener implements BusLifeCycleListener {
        private BusApplicationContext bac;

        BusApplicationContextLifeCycleListener(BusApplicationContext b) {
            bac = b;
        }

        public void initComplete() {
        }

        public void preShutdown() {
        }

        public void postShutdown() {
            bac.close();
        }
        
    }
}

Other Apache CXF examples (source code examples)

Here is a short list of links related to this Apache CXF SpringBusFactory.java source code file:

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