/*
* NOTE: This copyright does *not* cover user programs that use HQ
* program services by normal system calls through the application
* program interfaces provided as part of the Hyperic Plug-in Development
* Kit or the Hyperic Client Development Kit - this is merely considered
* normal use of the program, and does *not* fall under the heading of
* "derived work".
*
* Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
* This file is part of HQ.
*
* HQ is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. This program is distributed
* in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.tools.ant.installer;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.input.DefaultInputHandler;
import org.apache.tools.ant.input.InputRequest;
public class InstallerInputHandler extends DefaultInputHandler {
protected InstallerLogger logger;
protected String prefix;
public InstallerInputHandler (InstallerLogger logger) {
this.logger = logger;
this.prefix = logger.generatePrefix((new MsgInput()).getPrefix());
}
public void handleInput(InputRequest request) throws BuildException {
int counter = 100;
String prompt = getPrompt(request);
BufferedReader in =
new BufferedReader(new InputStreamReader(getInputStream()));
do {
logger.handleMessage(prefix + prompt);
try {
/*
* Added by Jim 04/07/2009
* Put an upper limit on the amount of times
* we allow for looping here.
* TCSRV-233
*/
if (--counter <= 0) {
throw new IOException("Prevented runaway input looping.");
}
String input = in.readLine();
if (input == null) {
// End of stream
throw new IOException("End of stream.");
}
request.setInput(input);
} catch (IOException e) {
throw new BuildException("Failed to read input from Console.",
e);
}
} while (!request.isInputValid());
}
}