/*
* 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.
*/
/**
* Project : MapleFetion
* Package : net.solosky.maplefetion.protocol.notify
* File : UserEnteredConversationNotifyHandler.java
* Author : solosky < solosky772@qq.com >
* Created : 2009-11-26
* License : Apache License 2.0
*/
package net.solosky.maplefetion.client.notify;
import java.util.Iterator;
import java.util.List;
import net.solosky.maplefetion.FetionException;
import net.solosky.maplefetion.bean.Buddy;
import net.solosky.maplefetion.bean.Relation;
import net.solosky.maplefetion.client.dialog.MutipartyDialog;
import net.solosky.maplefetion.sipc.SipcNotify;
import net.solosky.maplefetion.util.BeanHelper;
import net.solosky.maplefetion.util.UriHelper;
import net.solosky.maplefetion.util.XMLHelper;
import org.jdom.Element;
/**
*
* 用户进入对话后的通知
*
* @author solosky <solosky772@qq.com>
*/
public class ConversationNotifyHandler extends AbstractNotifyHandler
{
/* (non-Javadoc)
* @see net.solosky.maplefetion.protocol.ISIPNotifyHandler#handle(net.solosky.maplefetion.sip.SIPNotify)
*/
@Override
public void handle(SipcNotify notify) throws FetionException
{
Element root = XMLHelper.build(notify.getBody().toSendString());
List list = XMLHelper.findAll(root, "/events/*event");
Iterator it = list.iterator();
while(it.hasNext()){
Element event = (Element) it.next();
String type = event.getAttributeValue("type");
if(type.equals("UserEntered")) { //这里只是处理了好友进入会话请求
this.userEntered(event);
}else if(type.equals("UserLeft")){
this.userLeft(event);
}else if(type.equals("UserFailed")){
this.userFailed(event);
}else {
logger.warn("Unknown converstion event type:"+type);
}
}
}
/**
* 用户进入了会话
*/
private void userEntered(Element event)
{
if(this.dialog instanceof MutipartyDialog) {
MutipartyDialog cd = (MutipartyDialog) this.dialog;
List list = event.getChildren("member");
if(list!=null){
Iterator it = list.iterator();
while(it.hasNext()){
Element member = (Element) it.next();
String uri = member.getAttributeValue("uri");
Buddy buddy = this.context.getFetionStore().getBuddyByUri(uri);
//可能用户删除了好友，这里就查不到了
if(buddy==null){
buddy = UriHelper.createBuddy(uri);
BeanHelper.setValue(buddy, "relation", Relation.STRANGER);
}
cd.buddyEntered(buddy);
logger.debug("Buddy entered this dialog:"+uri);
}
}
}
}
/**
* 用户离开了回话
* @throws Exception
*/
private void userLeft(Element event)
{
if(this.dialog instanceof MutipartyDialog) {
MutipartyDialog cd = (MutipartyDialog) this.dialog;
List list = event.getChildren("member");
if(list!=null){
Iterator it = list.iterator();
while(it.hasNext()){
Element member = (Element) it.next();
String uri = member.getAttributeValue("uri");
Buddy buddy = this.context.getFetionStore().getBuddyByUri(uri);
//如果好友不存在，可能用户已经删除了该好友，这里新建一个临时好友对象
//仅是为了作为参数传递个对话来判断那个好友离开了对话,因为对话保留了一个好友的引用
if(buddy==null){
buddy = UriHelper.createBuddy(uri);
}
cd.buddyLeft(buddy);
logger.debug("Buddy left this dialog:"+uri);
}
}
}
}
/**
* 被邀请用户的用户未能进入会话
* @param event
*/
private void userFailed(Element event)
{
if(this.dialog instanceof MutipartyDialog) {
MutipartyDialog cd = (MutipartyDialog) this.dialog;
List list = event.getChildren("member");
if(list!=null){
Iterator it = list.iterator();
while(it.hasNext()){
Element member = (Element) it.next();
String uri = member.getAttributeValue("uri");
Buddy buddy = this.context.getFetionStore().getBuddyByUri(uri);
//如果好友不存在，可能用户已经删除了该好友，这里新建一个临时好友对象
//仅是为了作为参数传递个对话来判断那个好友离开了对话,因为对话保留了一个好友的引用
if(buddy==null){
buddy = UriHelper.createBuddy(uri);
}
cd.buddyFailed(buddy);
logger.debug("Buddy failed to enter this dialog:"+uri);
}
}
}
}
}