HttpConnection通信

/**
	 *  URL 
	 * 
	 * @param urlStr
	 *             
	 * @param contentStr
	 *             
	 * @param charset
	 *             
	 * @param sResult
	 *             Buffer
	 * @return boolean  
	 */
	public boolean sendStrOfPost(String urlStr, String contentStr, String charset, StringBuffer sResult) {
		boolean bResult = false;
		String charsetName = charset;
		URL url = null;
		HttpURLConnection httpConnection = null;
		InputStream httpIS = null;
		java.io.BufferedReader http_reader = null;
		try {
			url = new URL(urlStr);
			httpConnection = (HttpURLConnection) url.openConnection();

			//  ( : )
			httpConnection.setConnectTimeout(Util.getInstance().getIntFromProperties("c1.timeout.httpconn"));
			//  ( : )
			httpConnection.setReadTimeout(Util.getInstance().getIntFromProperties("c1.timeout.httpread"));

			httpConnection.setRequestMethod("POST"); // POST 
			httpConnection.setDoOutput(true);
			httpConnection.setRequestProperty("Content-Length", String.valueOf(contentStr.getBytes().length));
			PrintWriter out = null;
			out = new PrintWriter(new OutputStreamWriter(httpConnection.getOutputStream(), charsetName));//  
			//  
			out.print(contentStr);
			out.flush();
			out.close();
			int responseCode = httpConnection.getResponseCode();
			if (responseCode == HttpURLConnection.HTTP_OK) {
				//  
				bResult = true;

				//  
				httpIS = httpConnection.getInputStream();
				http_reader = new java.io.BufferedReader(new java.io.InputStreamReader(httpIS, charsetName));
				String line = null;
				while ((line = http_reader.readLine()) != null) {
					if (sResult.length() > 0) {
						sResult.append("
");
					}
					sResult.append(line);
				}
				logger.info("[URL][response][success]" + sResult);
			} else {
				logger.info("[URL][response][failure][code : " + responseCode + " ]");
			}
		} catch (IOException e) {
			logger.error("[HttpUtil]sendStrOfPost error", e);
		}
		finally {
			try {
				if (http_reader != null)
					http_reader.close();
				if (httpIS != null)
					httpIS.close();
				if (httpConnection != null)
					httpConnection.disconnect();
			} catch (IOException e) {
				logger.error("[HttpUtil]finally error", e);
			}
		}

		return bResult;
	}