actionservlet.java

如果遇到MD5加密文件

package com.easyjf.web;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import org.apache.log4j.Logger;

import com.easyjf.web.config.*;

import org.apache.velocity.app.Velocity;
import org.apache.velocity.context.Context;

import org.apache.velocity.exception.MethodInvocationException;


import org.apache.velocity.util.SimplePool;

/**
*
* <p>Title:EasyJWeb核心Servlet</p>
* <p>Description: EasyJWeb核心Servlet，所有的.ejf访问都将由该Servlet处理
*  用户必须在web.xml文件指定扩展名为.ejf的访问都指向该类或其子类。 </p>
* <p>Copyright: Copyright (c) 2006</p>
* <p>Company: www.easyjf.com</p>
* @author 蔡世友
* @version 1.0
*/

public class ActionServlet extends HttpServlet
{
	static final long serialVersionUID=8880L;
	private static final Logger logger = (Logger) Logger.getLogger(ActionServlet.class.getName()); 
    public static final String DEFAULT_OUTPUT_ENCODING = "utf-8";    
    public static final String SERVLET_CONTEXT_KEY = ServletContext.class.getName();   
    private static SimplePool writerPool = new SimplePool(60);
    private String defaultContentType;
    private boolean warnOfOutputStreamDeprecation = true;

    public void init(ServletConfig config) throws ServletException
    {
        super.init(config);        
        Globals.CONFIG_FILE_FULL_PATH=getServletConfig().getServletContext().getRealPath(Globals.CONFIG_FILE);
        Globals.APP_BASE_DIR=getServletConfig().getServletContext().getRealPath("/");
        WebConfig.getInstance().init();       
        initTemplate(config);        
    }

    /**
     * 初始化模板
     * @param config
     * @throws ServletException
     */
    protected void initTemplate(ServletConfig config) throws ServletException
    {
        Velocity.setApplicationAttribute(SERVLET_CONTEXT_KEY, getServletContext());    
        Properties p = new Properties();
        if(WebConfig.getInstance().getTemplateBasePath()==null || WebConfig.getInstance().getTemplateBasePath().equals(""))WebConfig.getInstance().setTemplateBasePath(Globals.DEFAULT_TEMPLATE_PATH);
        String realTemplatePath=WebConfig.getInstance().getTemplateBasePath();
        File file=new File(WebConfig.getInstance().getTemplateBasePath());
        if(!file.exists())realTemplatePath=config.getServletContext().getRealPath(WebConfig.getInstance().getTemplateBasePath());       
    	p.setProperty("file.resource.loader.path",realTemplatePath);
    	//System.out.println(realTemplatePath);
        try
        {
            Velocity.init(p);
        }
        catch(Exception e)
        {           
            logger.error("ActionServlet: PANIC! unable to init() - "+e);
            throw new ServletException(e);
        }
    }
          
    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
    {    	
        doRequest(request, response);
    }
  
	public void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
    {
        doRequest(request, response);
    }	
	/**
	 * 处理用户请求
	 * @param request
	 * @param response
	 * @throws ServletException
	 * @throws IOException
	 */
    protected void doRequest(HttpServletRequest request, 
                             HttpServletResponse response)
         throws ServletException, IOException
    {
    	Map map=new HashMap();
    	map.put(ActionContext.HTTP_REQUEST,request);
    	map.put(ActionContext.HTTP_RESPONSE,response);
    	ActionContext.setContext(new ActionContext(map));    	
    	if(!UserConnectManage.checkLoginValidate(request.getRemoteAddr(),"guest"))
    	{    		
    		info(request,response,new Exception("您对页面的刷新太快,请等待"+UserConnectManage.getWaitInterval()/1000+"秒后再刷新页面！"));
    		return;
    	}  	
    	if(WebConfig.getInstance().isDebug()){//调试模式每次都要初始化配置文件　
    	WebConfig.getInstance().init();//初始化配置文件
     	initTemplate(getServletConfig());   //初始化模版
    	} 	
    	Context context = null;
        try
        {         
          setContentType(request, response);
          RequestProcessor rp=new RequestProcessor(this);          
          rp.process(request,response);        
        }
        catch (Exception e)
        {          
            logger.error("ActionServlet: Exception processing the template: "+e);
            error(request, response, e);
        }
        finally
        {           
            requestCleanup(request, response, context);
        }
    }

    protected void requestCleanup(HttpServletRequest request, 
                                  HttpServletResponse response, 
                                  Context context)
    {
    	
    }
   
    protected void setContentType(HttpServletRequest request, 
                                  HttpServletResponse response)
    {
    	
        response.setContentType(defaultContentType);
    }
  /**
   * 输出系统框架错误信息提示
   * @param request
   * @param response
   * @param e
   * @throws ServletException
   */
    protected void error(HttpServletRequest request, 
                         HttpServletResponse response, 
                         Exception e)
        throws ServletException
    {
        try
        {
            StringBuffer html = new StringBuffer();
            String title=request.getCharacterEncoding()!=null?"EasyJWeb框架错误":"EasyJWeb Framework error";            
            html.append("<html>\n");
            html.append("<head><title>"+title+"</title></head>\n");
            html.append("<body>\n");
            html.append(title+":\n<br>");
            Throwable cause = e;
            String why = cause.getMessage();
            html.append("<font color=red>");
            if (why != null && why.trim().length() > 0)
            {
                html.append(why);
                html.append("\n<br>详细请查询<a href='http://www.easyjf.com/' target='_blank'>http://www.easyjf.com</a>\n");
            }           
            if (cause instanceof MethodInvocationException) 
            {           
                cause = ((MethodInvocationException)cause).getWrappedThrowable();
            }
            html.append("</font>");

            StringWriter sw = new StringWriter();
            cause.printStackTrace(new PrintWriter(sw));
            html.append("<pre>\n");
            html.append(sw.toString());
            html.append("</pre>\n");
            html.append("</body>\n");
            html.append("</html>");
            if(request.getCharacterEncoding()!=null)response.setContentType("text/html; charset="+request.getCharacterEncoding());         
            getResponseWriter(response).write(html.toString());
        }
        catch (Exception e2)
        {
            logger.error("ActionServlet: Exception while printing error screen: "+e2);
            throw new ServletException(e);
        }
    }

protected void info(HttpServletRequest request, 
            HttpServletResponse response, 
            Exception e)
throws ServletException
{
try
{
StringBuffer html = new StringBuffer();
String title=request.getCharacterEncoding()!=null?"EasyJWeb框架友情提示!:-)":"EasyJWeb Framework Friendly Info!";            
html.append("<html>\n");
html.append("<head><title>"+title+"</title></head>\n");
html.append("<body>\n");
html.append(title+":\n<br>");
Throwable cause = e;
String why = cause.getMessage();
html.append("<font color=red>");
if (why != null && why.trim().length() > 0)
{
   html.append(why);
   html.append("\n<br>详细请查询<a href='http://www.easyjf.com/' target='_blank'>http://www.easyjf.com</a>\n");
}           
if (cause instanceof MethodInvocationException) 
{           
   cause = ((MethodInvocationException)cause).getWrappedThrowable();
}
html.append("</font>");
html.append("</body>\n");
html.append("</html>");
if(request.getCharacterEncoding()!=null)response.setContentType("text/html; charset="+request.getCharacterEncoding());         
getResponseWriter(response).write(html.toString());
}
catch (Exception e2)
{
logger.error("ActionServlet: Exception while printing error screen: "+e2);
throw new ServletException(e);
}
}
    protected Writer getResponseWriter(HttpServletResponse response)
        throws UnsupportedEncodingException, IOException
    {
        Writer writer = null;
        try
        {        
            writer = response.getWriter();      
        }
        catch (IllegalStateException e)
        {         
            if (this.warnOfOutputStreamDeprecation)
            {
                this.warnOfOutputStreamDeprecation = false;
               
            }
            String encoding = response.getCharacterEncoding();
            if (encoding == null)
            {
                encoding = DEFAULT_OUTPUT_ENCODING;
            }
            writer = new OutputStreamWriter(response.getOutputStream(),encoding);           
        }
        return writer;
    }

	public static SimplePool getWriterPool() {
		return writerPool;
	}

}