filepersistencelogobserver.java.svn-base

监控整个SP系统的SMS信息通道的发送情况并且生成日志。 支持权限判断。

package com.infobank.superchannel.observer.implementation;

import java.util.List;

import org.apache.log4j.Logger;

import com.infobank.superchannel.daemon.GenericDaemon;
import com.infobank.superchannel.daemon.databasecache.DatabaseCacheDaemon;
import com.infobank.superchannel.daemon.messagelauncher.MessageLauncherDaemon;
import com.infobank.superchannel.observer.LogObserver;
import com.infobank.superchannel.pojo.GenericLog;
import com.infobank.superchannel.util.DaemonConfiguration;
import com.infobank.superchannel.util.EmergentAlert;

public class FilePersistenceLogObserver implements LogObserver {
  private Logger logger=null;
    private String fatalAlert=null;
    private String errorAlert=null;
    private String warnAlert=null;

  public FilePersistenceLogObserver(GenericDaemon daemon){
    logger=Logger.getLogger(daemon.getClass());
      String daemonType=null;
      if(daemon instanceof DatabaseCacheDaemon){
        daemonType="DatabaseCache";
      }
      else{
        if(daemon instanceof MessageLauncherDaemon){
          daemonType="MessageLauncher";
        }
        else
          throw new RuntimeException("invalid daemon type");
      }

      DaemonConfiguration config=DaemonConfiguration.getInstance();

      StringBuilder sb=new StringBuilder();
      sb.append("/daemon[@type='");
      sb.append(daemonType);
      sb.append("']/observer[@type='LogObserver']/");
      String basePath=sb.toString();

      sb=new StringBuilder();
      sb.append(basePath);
      sb.append("alerts/alert[@level='fatal']");
      fatalAlert=config.getString(sb.toString());
      
      sb=new StringBuilder();
      sb.append(basePath);
      sb.append("alerts/alert[@level='error']");
      errorAlert=config.getString(sb.toString());

      sb=new StringBuilder();
      sb.append(basePath);
      sb.append("alerts/alert[@level='warn']");
      warnAlert=config.getString(sb.toString());
    }
    
    private void sendAlert(String url){
      if(url!=null)
        new EmergentAlert(url);
    }

    /**
   *  记载调试日志信息
   * @param log 调试日志信息
   */
  public void debug(String log) {
    logger.debug(log);
  }

  /**
   *  记载错误信息
   * @param log 错误信息
   */
  public void error(String log) {
    logger.error(log);
        sendAlert(errorAlert);
  }

  /**
   *  记载致命错误信息
   * @param log 致命错误信息
   */
  public void fatal(String log) {
    logger.fatal(log);
        sendAlert(fatalAlert);
  }

  /**
   *  记载一般日志信息
   * @param log 一般日志信息
   */
  public void info(String log) {
    logger.info(log);
  }


  /**
   *  取得自上次调用此方发以后新增的所有日志信息
   * @return 自上次调用此方发以后新增的所有日志信息
   * @deprecated
   */
  public List<GenericLog> getGenericLog() {
    return null;
  }

  public void warn(String log) {
    logger.warn(log);
        sendAlert(warnAlert);
  }

  public void debug(Exception ex) {
    logger.debug(ex,ex);
  }

  public void error(Exception ex) {
    logger.error(ex,ex);
        sendAlert(errorAlert);
  }

  public void fatal(Exception ex) {
    logger.fatal(ex,ex);
        sendAlert(fatalAlert);
  }

  public void info(Exception ex) {
    logger.info(ex,ex);
  }

  public void warn(Exception ex) {
    logger.warn(ex,ex);
        sendAlert(warnAlert);
  }
}