コード例 #1
0
  /**
   * Opens an {@link HttpURLConnection} with parameters.
   *
   * @param request
   * @param listener
   * @return an open connection
   * @throws IOException
   */
  private HttpURLConnection openConnection(WXRequest request, OnHttpListener listener)
      throws IOException {
    URL url = new URL(request.url);
    HttpURLConnection connection = createConnection(url);
    connection.setConnectTimeout(request.timeoutMs);
    connection.setReadTimeout(request.timeoutMs);
    connection.setUseCaches(false);
    connection.setDoInput(true);

    if (request.paramMap != null) {
      Set<String> keySets = request.paramMap.keySet();
      for (String key : keySets) {
        connection.addRequestProperty(key, request.paramMap.get(key));
      }
    }

    if ("POST".equals(request.method)) {
      connection.setRequestMethod("POST");
      if (request.body != null) {
        if (listener != null) {
          listener.onHttpUploadProgress(0);
        }
        connection.setDoOutput(true);
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        // TODO big stream will cause OOM; Progress callback is meaningless
        out.write(request.body.getBytes());
        out.close();
        if (listener != null) {
          listener.onHttpUploadProgress(100);
        }
      }
    } else if (!TextUtils.isEmpty(request.method)) {
      connection.setRequestMethod(request.method);
    } else {
      connection.setRequestMethod("GET");
    }

    return connection;
  }
コード例 #2
0
 private String readInputStream(InputStream inputStream, OnHttpListener listener)
     throws IOException {
   if (inputStream == null) {
     return null;
   }
   StringBuilder builder = new StringBuilder();
   BufferedReader localBufferedReader = new BufferedReader(new InputStreamReader(inputStream));
   char[] data = new char[2048];
   int len;
   while ((len = localBufferedReader.read(data)) != -1) {
     builder.append(data, 0, len);
     if (listener != null) {
       listener.onHttpResponseProgress(builder.length());
     }
   }
   localBufferedReader.close();
   return builder.toString();
 }
コード例 #3
0
  @Override
  public void sendRequest(final WXRequest request, final OnHttpListener listener) {
    if (listener != null) {
      listener.onHttpStart();
    }
    execute(
        new Runnable() {
          @Override
          public void run() {
            WXResponse response = new WXResponse();
            try {
              HttpURLConnection connection = openConnection(request, listener);
              Map<String, List<String>> headers = connection.getHeaderFields();
              int responseCode = connection.getResponseCode();
              if (listener != null) {
                listener.onHeadersReceived(responseCode, headers);
              }

              response.statusCode = String.valueOf(responseCode);
              if (responseCode >= 200 && responseCode <= 299) {
                response.originalData =
                    readInputStreamAsBytes(connection.getInputStream(), listener);
              } else {
                response.errorMsg = readInputStream(connection.getErrorStream(), listener);
              }
              if (listener != null) {
                listener.onHttpFinish(response);
              }
            } catch (IOException e) {
              e.printStackTrace();
              response.statusCode = "-1";
              response.errorCode = "-1";
              response.errorMsg = e.getMessage();
              if (listener != null) {
                listener.onHttpFinish(response);
              }
            }
          }
        });
  }
コード例 #4
0
  private byte[] readInputStreamAsBytes(InputStream inputStream, OnHttpListener listener)
      throws IOException {
    if (inputStream == null) {
      return null;
    }
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    int nRead;
    int readCount = 0;
    byte[] data = new byte[2048];

    while ((nRead = inputStream.read(data, 0, data.length)) != -1) {
      buffer.write(data, 0, nRead);
      readCount += nRead;
      if (listener != null) {
        listener.onHttpResponseProgress(readCount);
      }
    }

    buffer.flush();

    return buffer.toByteArray();
  }