/**
* JWatch - Quartz Monitor: http://code.google.com/p/jwatch/
* Copyright (C) 2011 Roy Russo and the original author or authors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
**/
package com.quartz.monitor.util;
import org.apache.commons.lang.StringUtils;
import org.apache.struts2.ServletActionContext;
import com.quartz.monitor.action.InitAction;
import com.quartz.monitor.core.QuartzInstanceContainer;
import com.quartz.monitor.object.QuartzInstance;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
/**
* @author <a href="mailto:royrusso@gmail.com">Roy Russo</a>
* Date: Apr 7, 2011 3:19:10 PM
*/
public class Tools
{
public static final String DATE_FORMAT_DEFAULT = "MM/dd/yy HH:mm:ss z";
public static String generateUUID()
{
UUID id = UUID.randomUUID();
return id.toString();
}
public static String toStringFromDate(Date date, String format)
{
try
{
if (StringUtils.trimToNull(format) == null)
{
format = DATE_FORMAT_DEFAULT;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
return simpleDateFormat.format(date);
}
catch (Exception e)
{
//
}
return null;
}
public static int getPageSize(int zong,int pageSize){
int pageCount=zong/pageSize;
if(zong%pageSize!=0){
pageCount++;
}
return pageCount;
}
public static QuartzInstance getQuartzInstance(){
HttpServletRequest request=ServletActionContext.getRequest();//得到request对象
HttpSession session=request.getSession();//通过request得到session对象
String uuid = (String) session.getAttribute("configId");
Map<String,QuartzInstance> quartzInstanceMap = QuartzInstanceContainer.getQuartzInstanceMap();
if(quartzInstanceMap == null || quartzInstanceMap.size() == 0 || uuid == null ||uuid.equals("")){return null;}
QuartzInstance instance = quartzInstanceMap.get(uuid);
if(instance == null){
try {
new InitAction().execute();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
instance = Tools.getQuartzInstance();
}
return instance;
}
}