1 public class Http {
 2     private static final int REQUEST_TIMEOUT = 5000;
 3     private static final int SO_TIMEOUT = 10000;
 4 
 5     public Http() {
 6     }
 7 
 8     public static String sendGet(String url, Map<String, String> headers)
 9             throws ClientProtocolException, IOException {
10         DefaultHttpClient httpClient = (DefaultHttpClient) getHttpClient();
11         HttpGet httpGet = new HttpGet(url);
12         String response = "";
13         if (headers != null) {
14             httpGet.setHeaders(assembHead(headers));
15         }
16 
17         HttpResponse httpResponse = httpClient.execute(httpGet);
18         if (httpResponse.getStatusLine().getStatusCode() == 200) {
19             response = EntityUtils.toString(httpResponse.getEntity());
20         }
21 
22         httpGet.abort();
23         return response;
24     }
25 
26     public static String sendPost(String url, Map<String, String> paramsMap,
27             Map<String, String> headers) throws ClientProtocolException,
28             IOException {
29         DefaultHttpClient httpClient = (DefaultHttpClient) getHttpClient();
30         HttpPost httpPost = new HttpPost(url);
31         String response = "";
32         List<NameValuePair> params = new ArrayList<NameValuePair>();
33         if (paramsMap != null) {
34             for (String str : paramsMap.keySet()) {
35                 params.add(new BasicNameValuePair(str, paramsMap.get(str)));
36             }
37         }
38         httpPost.setEntity(new UrlEncodedFormEntity(params));
39         if (headers != null) {
40             httpPost.setHeaders(assembHead(headers));
41         }
42 
43         HttpResponse httpResponse = httpClient.execute(httpPost);
44 
45         if (httpResponse.getStatusLine().getStatusCode() == 200) {
46             response = EntityUtils.toString(httpResponse.getEntity());
47         }
48         httpPost.abort();
49         return response;
50     }
51 
52     public static String assembCookies(List<Cookie> cookies) {
53         StringBuffer sb = new StringBuffer();
54         for (Cookie cookie : cookies) {
55             sb.append(cookie.getName()).append("=").append(cookie.getValue())
56                     .append(";");
57         }
58         return sb.toString();
59     }
60 
61     public static Header[] assembHead(Map<String, String> headers) {
62         Header[] allHeader = new BasicHeader[headers.size()];
63         int i = 0;
64         for (String str : headers.keySet()) {
65             allHeader[i] = new BasicHeader(str, headers.get(str));
66             i++;
67         }
68         return allHeader;
69     }
70 
71     public static HttpClient getHttpClient() {
72         BasicHttpParams httpParams = new BasicHttpParams();
73         HttpConnectionParams.setConnectionTimeout(httpParams, REQUEST_TIMEOUT);
74         HttpConnectionParams.setSoTimeout(httpParams, SO_TIMEOUT);
75         HttpClient client = new DefaultHttpClient();
76         return client;
77     }
78 }