High performance Java Web page static Technology (original) __java

Package com.yancms.util;
Import java.io.*;
Import org.apache.commons.httpclient.*;
Import org.apache.commons.httpclient.methods.*;

Import Org.apache.commons.httpclient.params.HttpMethodParams; /** * Static page engine technology (chaotic garbled problem UTF-8) * @author Wu Yanwen * * */public class Htmlgenerator extends Baselog {httpclient httpclient = Null HttpClient instance GetMethod GetMethod =null;
	GetMethod instance BufferedWriter fw = null;
	String page = null;
	String webappname = null;
	BufferedReader br = null;
	InputStream in = null;
	StringBuffer SB = null; 
	String line = null;
		
	Construction method Public Htmlgenerator (String webappname) {this.webappname = Webappname;	
		/** a static page based on template and Parameters */public boolean createhtmlpage (String url,string htmlfilename) {Boolean status = FALSE;				
		int statusCode = 0;
			try{//Create a HttpClient instance to act as an analog browser httpclient = new HttpClient ();			
			Sets the character set to use when HttpClient reads Content httpclient.getparams (). Setparameter (Httpmethodparams.http_content_charset, "UTF-8"); Create an instance of a Get method GetMethod= new GetMethod (URL); With the default recovery policy provided by the system, 3 times Getmethod.getparams () is automatically retried when an exception occurs. Setparameter (Httpmethodparams.retry_handler, new
			Defaulthttpmethodretryhandler ());
			Sets the character set used to support the normal transfer of Chinese parameters ("Content-type", "Text/html;charset=utf-8") when the Get method submits the parameter Getmethod.addrequestheader.			
			Executes the Get method and obtains the return status code, 200 is normal, the other code is abnormal StatusCode = Httpclient.executemethod (GetMethod); if (statuscode!=200) {logger.fatal (static page engine fails to parse "+url+" to produce a static page "+htmlfilename+");}
				else{//Read parse result sb = new StringBuffer ();
				in = Getmethod.getresponsebodyasstream (); br = new BufferedReader (new InputStreamReader (in));//This method defaults to garbled, after a long period of groping, the following method can BR = new BufferedReader (New Inputstr
				Eamreader (In, "UTF-8"));
				while ((Line=br.readline ())!=null) {sb.append (line+ "\ n");
				} if (Br!=null) br.close ();
				page = Sb.tostring ();
				Replace the relative path in the page with an absolute path to ensure that the page resource is normally accessed by the pages = Formatpage (page);
				Writes the parsing result to the specified static HTML file to implement the static HTML generation writehtml (Htmlfilename,page);
			Status = TRUE; }}catCH (Exception ex) {logger.fatal (Static page engine failed while parsing "+url+" to produce a static page "+htmlfilename+": "+ex.getmessage ()");
        }finally{//Free HTTP connection getmethod.releaseconnection ();
	} return status;  ///Writes The parsing result to the specified static HTML file private synchronized void writehtml (String htmlfilename,string content) throws exception{FW
		= new BufferedWriter (new FileWriter (Htmlfilename));
		OutputStreamWriter fw = new OutputStreamWriter (new FileOutputStream (Htmlfilename), "UTF-8");	
		Fw.write (page);		
	if (fw!=null) fw.close (); //Replace the relative path in the page with an absolute path to ensure that the page resource is normally accessed by the private string Formatpage (String page) {page = Page.replaceall ("\\.\\./\\.\\./\\.
		\\./", webappname+"/");
		page = Page.replaceall ("\\.\\./\\.\\./", webappname+ "/");			
		page = Page.replaceall ("\\.\\./", webappname+ "/");
	return page;
		}//test method public static void main (string[] args) {htmlgenerator h = new Htmlgenerator ("Webappname"); H.createhtmlpage ("Http://localhost:8080/yanCms/three/three?parent_id=10&id=103&type=10 "," c:/a.html ");
		
	SYSTEM.OUT.PRINTLN ("Static page has been generated to c:/a.html"); }

}