一步一步开发自各儿的Openfire插件（IOS推送插件APNS）

<?xml version="1.0" encoding="UTF-8"?>
<plugin>
<class>com.d3.push.PushPlugin</class>
<name>IOSPush</name>
    <description>IOS Push</description>
    <author>mzh</author>
    <version>1.0.0</version>
    <date>13/04/2014</date>
    <minServerVersion>1.0.0</minServerVersion>
</plugin>

package com.d3.push;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;


import javapns.devices.Device;
import javapns.devices.implementations.basic.BasicDevice;
import javapns.notification.AppleNotificationServerBasicImpl;
import javapns.notification.PushNotificationManager;
import javapns.notification.PushNotificationPayload;
import javapns.notification.PushedNotification;


import org.apache.commons.lang.StringUtils;
import org.jivesoftware.database.DbConnectionManager;
import org.jivesoftware.openfire.PresenceManager;
import org.jivesoftware.openfire.XMPPServer;
import org.jivesoftware.openfire.interceptor.InterceptorManager;
import org.jivesoftware.openfire.interceptor.PacketInterceptor;
import org.jivesoftware.openfire.interceptor.PacketRejectedException;
import org.jivesoftware.openfire.session.Session;
import org.jivesoftware.openfire.user.UserManager;
import org.jivesoftware.openfire.user.UserNotFoundException;
import org.jivesoftware.util.JiveGlobals;
import org.xmpp.packet.JID;
import org.xmpp.packet.Message;
import org.xmpp.packet.Packet;
import org.xmpp.packet.Presence;




/**
 * <b>function:</b> send offline msg plugin
 * @author MZH
 */
public class PushInterceptor implements PacketInterceptor{
    //Hook for intercpetorn
    private InterceptorManager interceptorManager;   
    private UserManager userManager;
    private PresenceManager presenceManager;
    
    public PushInterceptor(){
    interceptorManager = InterceptorManager.getInstance();
        interceptorManager.addInterceptor(this);


        XMPPServer server = XMPPServer.getInstance();
        userManager = server.getUserManager();
        presenceManager = server.getPresenceManager();   
    }
    
    /**
     * intercept message
     */
    @Override
    public void interceptPacket(Packet packet, Session session, boolean incoming, boolean processed) throws PacketRejectedException {
    if (processed || !(packet instanceof Message) || !incoming || Message.Type.chat != ((Message) packet).getType())
return;
        this.doAction(packet, incoming, processed, session);


    } 
    
/**
* <b>send offline msg from this function </b>
*/
private void doAction(Packet packet, boolean incoming, boolean processed,
Session session) {
Message message = (Message) packet;
JID recipient = message.getTo();
// get message
try {
// if (recipient.getNode() == null
// || !UserManager.getInstance().isRegisteredUser(recipient.getNode())) {
// // Sender is requesting presence information of an anonymous
// //throw new UserNotFoundException("Username is null");
// }


Presence status = presenceManager.getPresence(userManager.getUser(recipient.getNode()));
if (status == null) {  //offline
String deviceToken = getDeviceToken(recipient.getNode());
if(isApple(deviceToken))
pns(deviceToken, message.getBody());
}// end if


} catch (UserNotFoundException e) {
System.out.println("user not found");
// e.printStackTrace();
}
}

/**
* 判断是否苹果
* @param deviceToken
* @return
*/
private boolean isApple(String deviceToken){
if(deviceToken!=null&&deviceToken.length()>0){
return true;
}
return false;
}

public String getDeviceToken(String userId) {
String deviceToken = "";
Connection con = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
con = DbConnectionManager.getConnection();
pstmt = con.prepareStatement("SELECT code_ios FROM ofUser where username = ?");
pstmt.setString(1, userId);
rs = pstmt.executeQuery();
if (rs.next()) {
deviceToken = rs.getString(1);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
DbConnectionManager.closeConnection(rs, pstmt, con);
}
return deviceToken;
}

public void pns(String token, String msg) {
String sound = "default";// 铃音
String certificatePath =  JiveGlobals.getProperty("plugin.push.apnsPath","");
String certificatePassword = JiveGlobals.getProperty("plugin.push.apnsKey",""); // 此处注意导出的证书密码不能为空因为空密码会报错
boolean isProduct = JiveGlobals.getBooleanProperty("plugin.push.isProduct", false);
try {
PushNotificationPayload payLoad = new PushNotificationPayload();
payLoad.addAlert(msg); // 消息内容
payLoad.addBadge(1); // iphone应用图标上小红圈上的数值
if (!StringUtils.isBlank(sound)) {
payLoad.addSound(sound);// 铃音
}
PushNotificationManager pushManager = new PushNotificationManager();
// true：表示的是产品发布推送服务 false：表示的是产品测试推送服务
pushManager.initializeConnection(new AppleNotificationServerBasicImpl(
certificatePath, certificatePassword, isProduct));
// 发送push消息
Device device = new BasicDevice();
device.setToken(token);
PushedNotification notification = pushManager.sendNotification(
device, payLoad, true);
pushManager.stopConnection();
} catch (Exception e) {
e.printStackTrace();
}
}


}