public class MessagePush {

    private static final String appKey = "d1c241706d82996e1fcdc2b2";
    private static final String masterSecret = "7ee1df1a631aee5a6a5a1129";
    private JPushClient jpushClient ;
    private String title;
    private String content;
public MessagePush(String message) {
         
 
this.message = message;    
         jpushClient = new JPushClient(masterSecret, appKey,3);
     }
     public MessagePush(String message,String title) {
this(message);        
         this.title=title;    
     }
/**
      * 向所有人傳送訊息
      * @return 訊息id
      */
public long sendPushAll(){
        PushPayload payload
 
=buildPushObject_all_all_alert();
        long msgId=0;
        try {
            PushResult result=jpushClient.sendPush(payload);
            msgId=result.msg_id;
        } catch (APIConnectionException e) {
            // TODO Auto-generated catch block
                LOG.error("Connection error. Should retry later. ", e);
        } 
 
catch (APIRequestException e) {
            LOG.info("HTTP Status: " + e.getStatus());
            msgId=e.getMsgId();
        }
        return msgId;
    }
/**
     * 向指定別名的客戶端傳送訊息
     * @param alias 所有別名資訊集合，這裡表示傳送所有學生編號
     * @return 訊息id
     */
    public long sendPushAlias(Set<String> alias){
    PushPayload payloadAlias=buildPushObject_android_alias_alertWithTitle(alias);
    long msgId=0;
        try {
            PushResult result=jpushClient.sendPush(payloadAlias);
            msgId=result.msg_id;
            
        } catch (APIConnectionException e) {
            LOG.error("Connection error. Should retry later. ", e);
        } catch (APIRequestException e) {
            LOG.info("HTTP Status: " + e.getStatus());
            LOG.info("Error Code: " + e.getErrorCode());
            LOG.info("Error Message: " + e.getErrorMessage());
            LOG.info("Msg ID: " + e.getMsgId());
            msgId=e.getMsgId();
        }
        return msgId;
    }
    /**
     * 向指定組傳送訊息
     * @param tag 組名稱
* @return 訊息id     
*/
public  long sendPushTag(String tag) {
        PushPayload payloadtag = buildPushObject_android_tag_alertWithTitle(tag);
        long msgId=0;
        try {
            PushResult result = jpushClient.sendPush(payloadtag);
            msgId=result.msg_id;
            LOG.info("Got result - " + result);
        } catch (APIConnectionException e) {
            LOG.error("Connection error. Should retry later. ", e);
            
        } catch (APIRequestException e) {
            LOG.info("HTTP Status: " + e.getStatus());
            LOG.info("Error Code: " + e.getErrorCode());
            LOG.info("Error Message: " + e.getErrorMessage());
            LOG.info("Msg ID: " + e.getMsgId());
            msgId=e.getMsgId();
        }
        return msgId;
    }


/**
* 下列封裝了三種獲得訊息推送物件（PushPayload）的方法
*  buildPushObject_android_alias_alertWithTitle、
*  buildPushObject_android_tag_alertWithTitle、
*  buildPushObject_all_all_alert
*/
public  PushPayload buildPushObject_android_alias_alertWithTitle(Set<String> alias) {
        return PushPayload.newBuilder().setPlatform(Platform.android())
                .setAudience(Audience.alias(alias))        .setNotification(Notification.android(message,title,null)).build();
}

public  PushPayload buildPushObject_android_tag_alertWithTitle(String tag){
    return PushPayload.newBuilder().setPlatform(Platform.android())
                .setAudience(Audience.tag(tag))
                .setNotification(Notification.android(message, title, null)).build();}
    
public  PushPayload buildPushObject_all_all_alert() {
        return PushPayload.alertAll(message);
    }