001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements. See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership. The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License. You may obtain a copy of the License at
009     *
010     * http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied. See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package javax.xml.soap;
021    
022    public abstract class SAAJMetaFactory {
023    
024        static synchronized SAAJMetaFactory getInstance()
025                throws SOAPException {
026            if (instance == null) {
027                try {
028                    instance = (SAAJMetaFactory)FactoryFinder.find("javax.xml.soap.MetaFactory",
029                                                                   "org.apache.axis2.saaj.SAAJMetaFactoryImpl");
030                } catch (Exception exception) {
031                    throw new SOAPException(exception.getMessage());
032                }
033            }
034            return instance;
035        }
036    
037        protected SAAJMetaFactory() {
038        }
039    
040        protected abstract MessageFactory newMessageFactory(String s)
041                throws SOAPException;
042    
043        protected abstract SOAPFactory newSOAPFactory(String s)
044                throws SOAPException;
045    
046        private static SAAJMetaFactory instance = null;
047    }