/WhereAbout/src/com/google/marvin/whereabout/HttpUtil.java

 1package com.google.marvin.whereabout;
 2
 3import java.io.BufferedReader;
 4import java.io.IOException;
 5import java.io.InputStream;
 6import java.io.InputStreamReader;
 7import java.net.HttpURLConnection;
 8import java.net.URL;
 9
10import android.util.Log;
11
12public class HttpUtil {
13  
14  private static final String ENCODING = "UTF-8";
15  
16  /**
17   * Sends a request to the specified URL and obtains the result from
18   * the sever. 
19   * @param url The URL to connect to
20   * @return the server response
21   * @throws IOException
22   */
23  public static String getResult(URL url) throws IOException {
24    return toString(getResultInputStream(url));
25  }
26
27  public static InputStream getResultInputStream(URL url) throws IOException {
28    Log.d("Locator", url.toString());
29    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
30    Log.d("Locator", "After open connection");
31    conn.setDoInput(true);
32    conn.setDoOutput(true);
33    return conn.getInputStream();
34  }
35  
36  /**
37   * Reads an InputStream and returns its contents as a String.
38   * @param inputStream The InputStream to read from.
39   * @return The contents of the InputStream as a String.
40   * @throws Exception
41   */
42  private static String toString(InputStream inputStream) throws IOException {
43    StringBuilder outputBuilder = new StringBuilder();
44    String string;
45    if (inputStream != null) {
46      BufferedReader reader =
47          new BufferedReader(new InputStreamReader(inputStream, ENCODING));
48      while (null != (string = reader.readLine())) {
49          outputBuilder.append(string).append('\n');
50      }
51    }
52    return outputBuilder.toString();
53  }  
54}