java处理HTTP请求的相关源码

研发闲暇时间，把开发过程中较好的代码段备份一下，如下的代码内容是关于Java处理HTTP请求的相关的代码，应该是对各朋友有好处。

package com.http.tool;
 
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.regex.Pattern;
public class HttpTool {
     
    public String sendGetData(String get_url, String content) throws Exception {
        String result = "";
        URL getUrl = null;
        BufferedReader reader = null;
        String lines = "";
        HttpURLConnection connection = null;
        try {
            if (content != null && !content.equals(""))
                get_url = get_url + "?" + content;
            getUrl = new URL(get_url);
            connection = (HttpURLConnection) getUrl.openConnection();
            connection.connect();
            reader = new BufferedReader(new InputStreamReader(connection
            while ((lines = reader.readLine()) != null) {
                result = result + lines;
            }
            return result;
        } catch (Exception e) {
            throw e;
        } finally {
            if (reader != null) {
                reader.close();
                reader = null;
            }
            connection.disconnect();
        }
    }
     
    public String sendPostData(String POST_URL, String content)
            throws Exception {
        HttpURLConnection connection=null;
        DataOutputStream out=null;
        BufferedReader reader=null;
        String line = "";
        String result="";
        try {
            URL postUrl = new URL(POST_URL);
            connection= (HttpURLConnection) postUrl.openConnection();
            connection.setRequestMethod("POST");            
            connection.setInstanceFollowRedirects(true);
                    "application/x-www-form-urlencoded");
            connection.connect();
             
             
             
            out.writeBytes(content);
             
            String content =
                "name=" + URLEncoder.encode ("Hitesh Agrawal") +
                "&profession=" + URLEncoder.encode ("Software Engineer");
            out.flush();
             
            reader = new BufferedReader(new InputStreamReader(
            while ((line = reader.readLine()) != null) {
                result=result+line;
            }        
            return result;
        } catch (Exception e) {
            throw e;
        }finally
        {
            if(out!=null)
            {
                out.close();
                out=null;                
            }
            if(reader!=null)
            {
                reader.close();
                reader=null;                
            }
            connection.disconnect();
        }
    }
    
    public static String htmlFilter(String inputString) {
          String textStr = "";
          java.util.regex.Pattern p_script;
          java.util.regex.Matcher m_script;
              
         
          try {
           String regEx_hrefjs="href=javascript:";
           
           htmlStr = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE).matcher(htmlStr).replaceAll(""); 
           htmlStr=Pattern.compile(regEx_onevent, Pattern.CASE_INSENSITIVE).matcher(htmlStr).replaceAll("");
           htmlStr=Pattern.compile(regEx_hrefjs, Pattern.CASE_INSENSITIVE).matcher(htmlStr).replaceAll("");
           htmlStr=Pattern.compile(regEx_iframe, Pattern.CASE_INSENSITIVE).matcher(htmlStr).replaceAll("");
           htmlStr=Pattern.compile(regEx_link, Pattern.CASE_INSENSITIVE).matcher(htmlStr).replaceAll("");
           
 
           textStr = htmlStr;
 
          } catch (Exception e) {
           System.err.println("Html2Text: " + e.getMessage());
          }
 
          return textStr;
        }
 
    public static void main(String[] args){
        HttpTool ht = new HttpTool();
        try {
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}