java streamToString

public static String streamToString(java.io.InputStream is_)
{
	// based on http://www.kodejava.org/examples/266.html
	try 
	{ 
	//////////////////////////////////////
		if (is_ != null) {
			StringBuilder sb = new StringBuilder();
			String line;
			try {
				java.io.BufferedReader reader = new java.io.BufferedReader(new java.io.InputStreamReader(is_, "UTF-8"));
				while ((line = reader.readLine()) != null) {
					sb.append(line).append("\n");
				}
			} finally {
				is_.close();
			}
			return sb.toString();
		} else {
			return "";
		}
	}
	catch( Exception ex ) { 
	//////////////////////////////////////
		return null;
	//////////////////////////////////////
	} 
}