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.apache.camel.util.ObjectHelper;
027 import org.jivesoftware.smack.packet.Message;
028
029 /**
030 * A Strategy used to convert between a Camel {@link XmppExchange} and {@link XmppMessage} to and from a
031 * XMPP {@link Message}
032 *
033 * @version $Revision: 776198 $
034 */
035 public class XmppBinding {
036
037 private HeaderFilterStrategy headerFilterStrategy;
038
039 public XmppBinding() {
040 this.headerFilterStrategy = new DefaultHeaderFilterStrategy();
041 }
042
043 public XmppBinding(HeaderFilterStrategy headerFilterStrategy) {
044 ObjectHelper.notNull(headerFilterStrategy, "headerFilterStrategy");
045 this.headerFilterStrategy = headerFilterStrategy;
046 }
047
048 /**
049 * Populates the given XMPP message from the inbound exchange
050 */
051 public void populateXmppMessage(Message message, Exchange exchange) {
052 message.setBody(exchange.getIn().getBody(String.class));
053
054 Set<Map.Entry<String, Object>> entries = exchange.getIn().getHeaders().entrySet();
055 for (Map.Entry<String, Object> entry : entries) {
056 String name = entry.getKey();
057 Object value = entry.getValue();
058 if (!headerFilterStrategy.applyFilterToCamelHeaders(name, value, exchange)) {
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
074 String id = exchange.getExchangeId();
075 if (id != null) {
076 message.setProperty("exchangeId", id);
077 }
078 }
079
080 /**
081 * Extracts the body from the XMPP message
082 */
083 public Object extractBodyFromXmpp(XmppExchange exchange, Message message) {
084 return message.getBody();
085 }
086
087 public Map<String, Object> extractHeadersFromXmpp(Message xmppMessage, Exchange exchange) {
088 Map<String, Object> answer = new HashMap<String, Object>();
089
090 for (String name : xmppMessage.getPropertyNames()) {
091 Object value = xmppMessage.getProperty(name);
092
093 if (!headerFilterStrategy.applyFilterToExternalHeaders(name, value, exchange)) {
094 answer.put(name, value);
095 }
096 }
097
098 return answer;
099 }
100 }