javadispatcher.java

来自「开源的axis2框架的源码。用于开发WEBSERVER」· Java 代码 · 共 76 行

/*
 * 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.axis2.jaxws.server.dispatcher;

import org.apache.axis2.jaxws.ExceptionFactory;
import org.apache.axis2.jaxws.core.MessageContext;
import org.apache.axis2.jaxws.i18n.Messages;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * JavaDispatcher is an abstract class that can be extended to implement an EndpointDispatcher to a
 * Java object.
 */
public abstract class JavaDispatcher implements EndpointDispatcher {

    private static final Log log = LogFactory.getLog(JavaDispatcher.class);

    protected Class serviceImplClass;
    protected Object serviceInstance;

    protected JavaDispatcher(Class impl, Object serviceInstance) {
        this.serviceImplClass = impl;
        this.serviceInstance = serviceInstance;
    }

    public abstract MessageContext invoke(MessageContext mc)
            throws Exception;

    public Class getServiceImplementationClass() {
        return serviceImplClass;
    }

    protected Object createServiceInstance() {
        if (log.isDebugEnabled()) {
            log.debug("Creating new instance of service endpoint");
        }

        if (serviceImplClass == null) {
            throw ExceptionFactory.makeWebServiceException(Messages.getMessage(
                    "JavaDispErr1"));
        }

        Object instance = null;
        try {
            instance = serviceImplClass.newInstance();
        } catch (IllegalAccessException e) {
            throw ExceptionFactory.makeWebServiceException(Messages.getMessage(
                    "JavaDispErr2", serviceImplClass.getName()));
        } catch (InstantiationException e) {
            throw ExceptionFactory.makeWebServiceException(Messages.getMessage(
                    "JavaDispErr2", serviceImplClass.getName()));
        }

        return instance;
    }

}