Short methods to help with Java stuff

JSchSSH.java

/************************************************
 * Execute commands
 ************************************************
 */
 
  private String executeCommand(ChannelExec channel, String... commands)
			throws IOException, JSchException {
		InputStream in = channel.getInputStream();
		StringBuilder output = new StringBuilder();
		for (int i = 0; i < commands.length; i++) {
			channel.setCommand(commands[i]);
			channel.connect();
			while (true) {
				readInCommandOutput(in, output);
				if (channel.isClosed()) {
					System.out.println("exit-status: "
							+ channel.getExitStatus());
					break;
				}
				sleep(2000);
			}
			channel.disconnect();
		}
		return output.toString();
	}

	private void readInCommandOutput(InputStream in, StringBuilder output)
			throws IOException {
		int bufferSize = 1024;
		byte[] tmp = new byte[bufferSize];
		while (in.available() > 0) {
			int i = in.read(tmp, 0, 1024);
			if (i < 0) {
				break;
			}
			String line = new String(tmp, 0, i);
			// System.out.println(line);
			output.append(line);
		}

	}

	private void sleep(int time) {
		try {
			Thread.sleep(time);
		} catch (Exception ee) {
		}
	}

/*****************************************************************
 * 
 */