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 org.apache.camel;
018
019 import java.util.HashMap;
020 import java.util.Map;
021
022 /**
023 * Represents the kind of message exchange pattern
024 *
025 * @version $Revision: 660275 $
026 */
027 public enum ExchangePattern {
028 InOnly, RobustInOnly, InOut, InOptionalOut, OutOnly, RobustOutOnly, OutIn, OutOptionalIn;
029
030 protected static final Map<String, ExchangePattern> MAP = new HashMap<String, ExchangePattern>();
031
032 /**
033 * Returns the WSDL URI for this message exchange pattern
034 */
035 public String getWsdlUri() {
036 switch (this) {
037 case InOnly:
038 return "http://www.w3.org/ns/wsdl/in-only";
039 case InOptionalOut:
040 return "http://www.w3.org/ns/wsdl/in-optional-out";
041 case InOut:
042 return "http://www.w3.org/ns/wsdl/in-out";
043 case OutIn:
044 return "http://www.w3.org/ns/wsdl/out-in";
045 case OutOnly:
046 return "http://www.w3.org/ns/wsdl/out-only";
047 case OutOptionalIn:
048 return "http://www.w3.org/ns/wsdl/out-optional_in";
049 case RobustInOnly:
050 return "http://www.w3.org/ns/wsdl/robust-in-only";
051 case RobustOutOnly:
052 return "http://www.w3.org/ns/wsdl/robust-out-only";
053 default:
054 throw new IllegalArgumentException("Unknown message exchange pattern: " + this);
055 }
056 }
057
058 /**
059 * Return true if there can be an IN message
060 */
061 public boolean isInCapable() {
062 switch (this) {
063 case OutOnly:
064 case RobustOutOnly:
065 return false;
066 default:
067 return true;
068 }
069 }
070
071 /**
072 * Return true if there can be an OUT message
073 */
074 public boolean isOutCapable() {
075 switch (this) {
076 case InOnly:
077 case RobustInOnly:
078 return false;
079 default:
080 return true;
081 }
082 }
083
084 /**
085 * Return true if there can be a FAULT message
086 */
087 public boolean isFaultCapable() {
088 switch (this) {
089 case InOnly:
090 case OutOnly:
091 return false;
092 default:
093 return true;
094 }
095 }
096
097 /**
098 * Converts the WSDL URI into a {@link ExchangePattern} instance
099 */
100 public static ExchangePattern fromWsdlUri(String wsdlUri) {
101 return MAP.get(wsdlUri);
102 }
103
104 static {
105 for (ExchangePattern mep : values()) {
106 String uri = mep.getWsdlUri();
107 MAP.put(uri, mep);
108 String name = uri.substring(uri.lastIndexOf('/') + 1);
109 MAP.put("http://www.w3.org/2004/08/wsdl/" + name, mep);
110 MAP.put("http://www.w3.org/2006/01/wsdl/" + name, mep);
111 }
112 }
113 }