Http Get and DefaultHttpClient : Http Connection « Network « Android

1. Android
2. Network
3. Http Connection

Http Get and DefaultHttpClient

    

//package com.joke.praser;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

public class HttpUtils {

  private static final String tag = "HttpUtils";

  private static final int DEFAULT_BUFFER_SIZE = 8192;

  /**
   * ????
   * 
   * @param url
   * @return
   */
  public static String httpGet(String url) {

    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {
      HttpGet httpget = new HttpGet(url);
      httpget.addHeader("User-Agent", "ie 6");
      HttpResponse response = httpclient.execute(httpget);
      HttpEntity entity = response.getEntity();
      return generateString(entity.getContent());
    } catch (IOException e) {
      e.printStackTrace();
      return null;
    }

  }
  
  /**
   * ????
   * 
   * @param url
   * @return
   */
  public static InputStream httpGetIS(String url) {

    DefaultHttpClient httpclient = new DefaultHttpClient();
    try {
      HttpGet httpget = new HttpGet(url);
      httpget.addHeader("User-Agent", "ie 6");
      HttpResponse response = httpclient.execute(httpget);
      HttpEntity entity = response.getEntity();
      return entity.getContent();
    } catch (IOException e) {
      e.printStackTrace();
      return null;
    }

  }

  private static String generateString(InputStream stream) {
    StringBuilder sb = new StringBuilder();
    InputStreamReader reader = null;
    try {
      reader = new InputStreamReader(stream, "utf-8");
      BufferedReader buffer = new BufferedReader(reader);
      String cur;
      while ((cur = buffer.readLine()) != null) {
        sb.append(cur + "\n");
      }

    } catch (UnsupportedEncodingException e1) {
      e1.printStackTrace();
      return null;
    } catch (IOException e) {
      e.printStackTrace();
      return null;
    } finally {
      if (reader != null) {
        try {
          reader.close();
          reader = null;
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      if (stream != null) {
        try {
          stream.close();
          stream = null;
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }

    return sb.toString();
  }

}

   
    
    
    
  

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