saajmetafactory.java

开源的axis2框架的源码。用于开发WEBSERVER

/*
 * 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 javax.xml.soap;

public abstract class SAAJMetaFactory {

    static synchronized SAAJMetaFactory getInstance()
            throws SOAPException {
        if (instance == null) {
            try {
                instance = (SAAJMetaFactory)FactoryFinder.find("javax.xml.soap.MetaFactory",
                                                               "org.apache.axis2.saaj.SAAJMetaFactoryImpl");
            } catch (Exception exception) {
                throw new SOAPException(exception.getMessage());
            }
        }
        return instance;
    }

    protected SAAJMetaFactory() {
    }

    protected abstract MessageFactory newMessageFactory(String s)
            throws SOAPException;

    protected abstract SOAPFactory newSOAPFactory(String s)
            throws SOAPException;

    private static SAAJMetaFactory instance = null;
}