001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package javax.jbi.messaging;
018    
019    public final class ExchangeStatus {
020    
021        public static final ExchangeStatus ACTIVE = new ExchangeStatus("Active");
022    
023        public static final ExchangeStatus ERROR = new ExchangeStatus("Error");
024    
025        public static final ExchangeStatus DONE = new ExchangeStatus("Done");
026    
027        private String mStatus;
028    
029        private ExchangeStatus(String status) {
030            mStatus = status;
031        }
032    
033        public String toString() {
034            return mStatus;
035        }
036    
037        public static ExchangeStatus valueOf(String status) {
038            ExchangeStatus instance;
039    
040            //
041            //  Convert symbolic name to object reference.
042            //
043            if (status.equals(DONE.toString())) {
044                instance = DONE;
045            } else if (status.equals(ERROR.toString())) {
046                instance = ERROR;
047            } else if (status.equals(ACTIVE.toString())) {
048                instance = ACTIVE;
049    
050            } else {
051                //
052                //  Someone has a problem.
053                //
054                throw new java.lang.IllegalArgumentException(status);
055            }
056    
057            return instance;
058        }
059    
060        public int hashCode() {
061            return mStatus.hashCode();
062        }
063    }