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 */
017package org.apache.camel;
018
019import java.util.HashMap;
020import java.util.Map;
021
022import javax.xml.bind.annotation.XmlEnum;
023import javax.xml.bind.annotation.XmlType;
024
025/**
026 * Represents the kind of message exchange pattern
027 */
028@XmlType
029@XmlEnum
030public enum ExchangePattern {
031    InOnly, InOut, InOptionalOut;
032
033    protected static final Map<String, ExchangePattern> MAP = new HashMap<>();
034
035    /**
036     * Returns the WSDL URI for this message exchange pattern
037     */
038    public String getWsdlUri() {
039        switch (this) {
040        case InOnly:
041            return "http://www.w3.org/ns/wsdl/in-only";
042        case InOptionalOut:
043            return "http://www.w3.org/ns/wsdl/in-opt-out";
044        case InOut:
045            return "http://www.w3.org/ns/wsdl/in-out";
046        default:
047            throw new IllegalArgumentException("Unknown message exchange pattern: " + this);
048        }
049    }
050
051    /**
052     * Return true if there can be an IN message
053     */
054    public boolean isInCapable() {
055        return true;
056    }
057
058    /**
059     * Return true if there can be an OUT message
060     */
061    public boolean isOutCapable() {
062        switch (this) {
063        case InOnly:
064            return false;
065        default:
066            return true;
067        }
068    }
069
070    /**
071     * Return true if there can be a FAULT message
072     */
073    public boolean isFaultCapable() {
074        switch (this) {
075        case InOnly:
076            return false;
077        default:
078            return true;
079        }
080    }
081
082    /**
083     * Converts the WSDL URI into a {@link ExchangePattern} instance
084     */
085    public static ExchangePattern fromWsdlUri(String wsdlUri) {
086        return MAP.get(wsdlUri);
087    }
088    
089    public static ExchangePattern asEnum(String value) {
090        try {
091            return valueOf(value);
092        } catch (Exception e) {
093            throw new IllegalArgumentException("Unknown message exchange pattern: " + value, e);
094        }
095    }
096
097    static {
098        for (ExchangePattern mep : values()) {
099            String uri = mep.getWsdlUri();
100            MAP.put(uri, mep);
101            String name = uri.substring(uri.lastIndexOf('/') + 1);
102            MAP.put("http://www.w3.org/2004/08/wsdl/" + name, mep);
103            MAP.put("http://www.w3.org/2006/01/wsdl/" + name, mep);
104        }
105    }
106}