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.component.xmpp;
018
019 import java.util.HashMap;
020 import java.util.Map;
021 import java.util.Set;
022
023 import org.apache.camel.Exchange;
024 import org.apache.camel.impl.DefaultHeaderFilterStrategy;
025 import org.apache.camel.spi.HeaderFilterStrategy;
026 import org.jivesoftware.smack.packet.Message;
027
028 /**
029 * A Strategy used to convert between a Camel {@link XmppExchange} and {@link XmppMessage} to and from a
030 * XMPP {@link Message}
031 *
032 * @version $Revision: 776202 $
033 */
034 public class XmppBinding {
035
036 private HeaderFilterStrategy headerFilterStrategy;
037
038 public XmppBinding() {
039 this.headerFilterStrategy = new DefaultHeaderFilterStrategy();
040 }
041
042 public XmppBinding(HeaderFilterStrategy headerFilterStrategy) {
043 this.headerFilterStrategy = headerFilterStrategy;
044 }
045
046 /**
047 * Populates the given XMPP message from the inbound exchange
048 */
049 public void populateXmppMessage(Message message, Exchange exchange) {
050 message.setBody(exchange.getIn().getBody(String.class));
051
052 Set<Map.Entry<String, Object>> entries = exchange.getIn().getHeaders().entrySet();
053 for (Map.Entry<String, Object> entry : entries) {
054 String name = entry.getKey();
055 Object value = entry.getValue();
056 // BUG?
057 if (headerFilterStrategy != null
058 && !headerFilterStrategy.applyFilterToCamelHeaders(name, value)) {
059
060 if ("subject".equalsIgnoreCase(name)) {
061 // special for subject
062 String subject = exchange.getContext().getTypeConverter().convertTo(String.class, value);
063 message.setSubject(subject);
064 } else if ("language".equalsIgnoreCase(name)) {
065 // special for language
066 String language = exchange.getContext().getTypeConverter().convertTo(String.class, value);
067 message.setLanguage(language);
068 } else {
069 message.setProperty(name, value);
070 }
071 }
072 }
073 String id = exchange.getExchangeId();
074 if (id != null) {
075 message.setProperty("exchangeId", id);
076 }
077 }
078
079 /**
080 * Extracts the body from the XMPP message
081 */
082 public Object extractBodyFromXmpp(XmppExchange exchange, Message message) {
083 return message.getBody();
084 }
085
086 public Map<String, Object> extractHeadersFromXmpp(Message xmppMessage) {
087 Map<String, Object> answer = new HashMap<String, Object>();
088
089 for (String name : xmppMessage.getPropertyNames()) {
090 Object value = xmppMessage.getProperty(name);
091
092 if (headerFilterStrategy != null
093 && !headerFilterStrategy.applyFilterToExternalHeaders(name, value)) {
094 answer.put(name, value);
095 }
096 }
097 return answer;
098 }
099 }