| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.xmpp; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.impl.DefaultHeaderFilterStrategy; |
| import org.apache.camel.spi.HeaderFilterStrategy; |
| import org.apache.camel.util.ObjectHelper; |
| import org.jivesoftware.smack.packet.Message; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A Strategy used to convert between a Camel {@link Exchange} and {@link XmppMessage} to and from a |
| * XMPP {@link Message} |
| * |
| * @version |
| */ |
| public class XmppBinding { |
| |
| private static final transient Logger LOG = LoggerFactory.getLogger(XmppBinding.class); |
| private HeaderFilterStrategy headerFilterStrategy; |
| |
| public XmppBinding() { |
| this.headerFilterStrategy = new DefaultHeaderFilterStrategy(); |
| } |
| |
| public XmppBinding(HeaderFilterStrategy headerFilterStrategy) { |
| ObjectHelper.notNull(headerFilterStrategy, "headerFilterStrategy"); |
| this.headerFilterStrategy = headerFilterStrategy; |
| } |
| |
| /** |
| * Populates the given XMPP message from the inbound exchange |
| */ |
| public void populateXmppMessage(Message message, Exchange exchange) { |
| message.setBody(exchange.getIn().getBody(String.class)); |
| |
| Set<Map.Entry<String, Object>> entries = exchange.getIn().getHeaders().entrySet(); |
| for (Map.Entry<String, Object> entry : entries) { |
| String name = entry.getKey(); |
| Object value = entry.getValue(); |
| if (!headerFilterStrategy.applyFilterToCamelHeaders(name, value, exchange)) { |
| |
| if ("subject".equalsIgnoreCase(name)) { |
| // special for subject |
| String subject = exchange.getContext().getTypeConverter().convertTo(String.class, value); |
| message.setSubject(subject); |
| } else if ("language".equalsIgnoreCase(name)) { |
| // special for language |
| String language = exchange.getContext().getTypeConverter().convertTo(String.class, value); |
| message.setLanguage(language); |
| } else { |
| try { |
| message.setProperty(name, value); |
| LOG.trace("Added property name: {} value: {}", name, value.toString()); |
| } catch (IllegalArgumentException iae) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Cannot add property " + name + " to XMPP message due: ", iae); |
| } |
| } |
| } |
| } |
| } |
| |
| String id = exchange.getExchangeId(); |
| if (id != null) { |
| message.setProperty("exchangeId", id); |
| } |
| } |
| |
| /** |
| * Extracts the body from the XMPP message |
| */ |
| public Object extractBodyFromXmpp(Exchange exchange, Message message) { |
| return message.getBody(); |
| } |
| |
| public Map<String, Object> extractHeadersFromXmpp(Message xmppMessage, Exchange exchange) { |
| Map<String, Object> answer = new HashMap<String, Object>(); |
| |
| for (String name : xmppMessage.getPropertyNames()) { |
| Object value = xmppMessage.getProperty(name); |
| |
| if (!headerFilterStrategy.applyFilterToExternalHeaders(name, value, exchange)) { |
| answer.put(name, value); |
| } |
| } |
| |
| answer.put(XmppConstants.MESSAGE_TYPE, xmppMessage.getType()); |
| answer.put(XmppConstants.SUBJECT, xmppMessage.getSubject()); |
| answer.put(XmppConstants.THREAD_ID, xmppMessage.getThread()); |
| answer.put(XmppConstants.FROM, xmppMessage.getFrom()); |
| answer.put(XmppConstants.PACKET_ID, xmppMessage.getPacketID()); |
| answer.put(XmppConstants.TO, xmppMessage.getTo()); |
| |
| return answer; |
| } |
| } |