Java Code Examples for javax.servlet.ServletRequest#getReader()

public static String getString(ServletRequest request) throws Exception {
    char[] readerBuffer = new char[request.getContentLength()];
    BufferedReader bufferedReader = request.getReader();

    int portion = bufferedReader.read(readerBuffer);
    int amount = portion;
    while (amount < readerBuffer.length) {
        portion = bufferedReader.read(readerBuffer, amount, readerBuffer.length - amount);
        amount = amount + portion;
    }

    StringBuilder stringBuffer = new StringBuilder((int) (readerBuffer.length * 1.5));
    for (int index = 0; index < readerBuffer.length; index++) {
        char c = readerBuffer[index];
        stringBuffer.append(c);
    }

    String xml = stringBuffer.toString();

    return xml;
}
 

/**
 * Returns with the request body as a string. Since this method is responsible to close the request reader this
 * method can be invoked only once from the client.
 *
 * @param req
 *            the servlet request.
 * @return the request body as a string.
 * @throws IOException
 *             if reading the request body failed.
 */
private String getRequestBody(final ServletRequest req) throws IOException {
	final StringBuilder sb = new StringBuilder();
	try (final BufferedReader br = req.getReader();) {
		String line = null;
		while (null != (line = br.readLine())) {
			sb.append(line);
		}
	}
	return sb.toString();
}
 

static float readValue(ServletRequest request) throws IOException {
  String line;
  BufferedReader reader = request.getReader();
  try {
    line = reader.readLine();
  } finally {
    reader.close();
  }
  if (line == null || line.isEmpty()) {
    return 1.0f;
  }
  return LangUtils.parseFloat(line);
}