Apache CXF example source code file (AbstractServiceFactoryBean.java)

This example Apache CXF source code file (AbstractServiceFactoryBean.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

databinding, databinding, dom, invalid_schema_url, io, list, list, log, log, logging, map, message, net, network, object, object, service, serviceconstructionexception, uriresolver, util

The Apache CXF AbstractServiceFactoryBean.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.service.factory;

import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;

import javax.xml.transform.dom.DOMSource;

import org.w3c.dom.Document;

import org.apache.cxf.Bus;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.databinding.AbstractDataBinding;
import org.apache.cxf.databinding.DataBinding;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.interceptor.OneWayProcessorInterceptor;
import org.apache.cxf.interceptor.OutgoingChainInterceptor;
import org.apache.cxf.interceptor.ServiceInvokerInterceptor;
import org.apache.cxf.resource.ResourceManager;
import org.apache.cxf.resource.URIResolver;
import org.apache.cxf.service.Service;

public abstract class AbstractServiceFactoryBean {
    private static final Logger LOG = LogUtils.getL7dLogger(AbstractServiceFactoryBean.class);
    
    protected boolean dataBindingSet;
    protected List<String> schemaLocations;

    private Bus bus;
    private DataBinding dataBinding;
    private Service service;
    private List<FactoryBeanListener> listeners = new LinkedList();
    private Map<String, Object> sessionState = new HashMap();
    
    public abstract Service create();
    
    /**
     * Returns a map that is useful for ServiceFactoryBeanListener to store state across 
     * events during processing.   
     */
    public Map<String, Object> getSessionState() {
        return sessionState;
    }
    
    public void sendEvent(FactoryBeanListener.Event ev, Object ... args) {
        for (FactoryBeanListener l : listeners) {
            l.handleEvent(ev, this, args);
        }
    }
    
    protected void initializeDefaultInterceptors() {
        service.getInInterceptors().add(new ServiceInvokerInterceptor());
        service.getInInterceptors().add(new OutgoingChainInterceptor());
        service.getInInterceptors().add(new OneWayProcessorInterceptor());
    }
    
    protected void initializeDataBindings() {
        if (getDataBinding() instanceof AbstractDataBinding && schemaLocations != null) {
            fillDataBindingSchemas();
        }
        getDataBinding().initialize(getService());
        
        service.setDataBinding(getDataBinding());
        sendEvent(FactoryBeanListener.Event.DATABINDING_INITIALIZED, dataBinding);
    }
    
    public Bus getBus() {
        return bus;
    }

    public void setBus(Bus bus) {
        this.bus = bus;
        FactoryBeanListenerManager m = bus.getExtension(FactoryBeanListenerManager.class);
        if (m != null) {
            listeners.addAll(m.getListeners());
        }
    }

    public DataBinding getDataBinding() {
        return getDataBinding(true);
    }
    public DataBinding getDataBinding(boolean create) {
        if (dataBinding == null && create) {
            dataBinding = createDefaultDataBinding();
        }
        return dataBinding;
    }
    protected DataBinding createDefaultDataBinding() {
        return null;
    }

    public void setDataBinding(DataBinding dataBinding) {
        this.dataBinding = dataBinding;
        this.dataBindingSet = dataBinding != null;
    }

    public Service getService() {
        return service;
    }

    protected void setService(Service service) {
        this.service = service;
    }
    
    private void fillDataBindingSchemas() {
        ResourceManager rr = getBus().getExtension(ResourceManager.class);
        List<DOMSource> schemas = new ArrayList();
        for (String l : schemaLocations) {
            URL url = rr.resolveResource(l, URL.class);
            if (url == null) {
                URIResolver res;
                try {
                    res = new URIResolver(l);
                } catch (IOException e) {
                    throw new ServiceConstructionException(new Message("INVALID_SCHEMA_URL", LOG, l), e);
                }
                if (!res.isResolved()) {
                    throw new ServiceConstructionException(new Message("INVALID_SCHEMA_URL", LOG, l));
                }
                url = res.getURL();
            }
            Document d;
            try {
                d = DOMUtils.readXml(url.openStream());
            } catch (Exception e) {
                throw new ServiceConstructionException(new Message("ERROR_READING_SCHEMA", LOG, l), e);
            }
            schemas.add(new DOMSource(d, url.toString()));
        }
        ((AbstractDataBinding)getDataBinding()).setSchemas(schemas);
    }
 
}