Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 1 | package net.floodlightcontroller.bgproute; |
| 2 | |
| 3 | import java.io.BufferedReader; |
| 4 | import java.io.IOException; |
| 5 | import java.io.InputStreamReader; |
| 6 | import java.net.HttpURLConnection; |
| 7 | import java.net.MalformedURLException; |
| 8 | import java.net.URL; |
| 9 | |
| 10 | import org.slf4j.Logger; |
| 11 | import org.slf4j.LoggerFactory; |
| 12 | |
| 13 | |
| 14 | public class RestClient { |
| 15 | protected static Logger log = LoggerFactory.getLogger(RestClient.class); |
| 16 | |
| 17 | public static String get(String str) { |
| 18 | StringBuilder response = new StringBuilder(); |
| 19 | |
| 20 | try { |
| 21 | |
| 22 | URL url = new URL(str); |
| 23 | HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| 24 | conn.setRequestMethod("GET"); |
| 25 | conn.setRequestProperty("Accept", "application/json"); |
| 26 | |
| 27 | if (conn.getResponseCode() != 200) { |
| 28 | throw new RuntimeException("Failed : HTTP error code : " |
| 29 | + conn.getResponseCode()); |
| 30 | } |
| 31 | |
| 32 | if (!conn.getContentType().equals("application/json")){ |
| 33 | log.warn("The content received from {} is not json", str); |
| 34 | } |
| 35 | |
| 36 | BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream()))); |
| 37 | String line; |
| 38 | while ((line = br.readLine()) != null) { |
| 39 | response.append(line); |
| 40 | } |
| 41 | |
| 42 | br.close(); |
| 43 | conn.disconnect(); |
| 44 | |
| 45 | } catch (MalformedURLException e) { |
| 46 | log.error("Malformed URL for GET request", e); |
| 47 | } catch (IOException e) { |
| 48 | log.warn("Couldn't connect remote REST server"); |
| 49 | } |
| 50 | |
| 51 | return response.toString(); |
| 52 | } |
| 53 | |
| 54 | public static void post (String str) { |
| 55 | |
| 56 | try { |
| 57 | URL url = new URL(str); |
| 58 | HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| 59 | conn.setDoOutput(true); |
| 60 | conn.setRequestMethod("POST"); |
| 61 | conn.setRequestProperty("Content-Type", "application/json"); |
| 62 | |
| 63 | if (conn.getResponseCode() != 200) { |
| 64 | throw new RuntimeException("Failed : HTTP error code : " |
| 65 | + conn.getResponseCode()); |
| 66 | } |
| 67 | |
| 68 | conn.disconnect(); |
| 69 | |
| 70 | } catch (MalformedURLException e) { |
| 71 | log.error("Malformed URL for GET request", e); |
| 72 | } catch (IOException e) { |
| 73 | log.warn("Couldn't connect remote REST server"); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | |
| 78 | public static void delete (String str) { |
| 79 | |
| 80 | try { |
| 81 | URL url = new URL(str); |
| 82 | HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| 83 | conn.setRequestMethod("DELETE"); |
| 84 | conn.setRequestProperty("Accept", "application/json"); |
| 85 | |
| 86 | |
| 87 | if (conn.getResponseCode() != 200) { |
| 88 | throw new RuntimeException("Failed : HTTP error code : " |
| 89 | + conn.getResponseCode()); |
| 90 | } |
| 91 | |
| 92 | conn.disconnect(); |
| 93 | |
| 94 | } catch (MalformedURLException e) { |
| 95 | log.error("Malformed URL for GET request", e); |
| 96 | } catch (IOException e) { |
| 97 | log.warn("Couldn't connect remote REST server"); |
| 98 | } |
| 99 | } |
| 100 | } |