Androidの使用HttpUrlConnectionアクセスネットワーク

InputStream is = null;
		ByteArrayOutputStream baos = null;
		try {
			URL netUrl = new URL(url); //2
			//       
			HttpURLConnection conn = (HttpURLConnection) netUrl.openConnection(); //3
			conn.setReadTimeout(5*1000);
			conn.setConnectTimeout(5*1000); //4
			conn.setRequestMethod("GET"); //5
			
			is = conn.getInputStream(); //6
			int len = -1;
			byte[] buffer = new byte[128]; //7
			baos = new ByteArrayOutputStream();
			//     
			while((len = is.read(buffer)) != -1) {
				baos.write(buffer, 0, len);
			}
			baos.flush(); //     
			result = new String(baos.toByteArray()); //8      
			
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			// lose all the resources!!
			if (baos != null) {
				try {
					baos.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
			if (is != null) {
				try {
					is.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}