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The source code
/*
* JcmdProcessTest.java - A Java class to test the JcmdProcess class.
* Copyright (C) 2001 John Gellene
* jgellene@nyc.rr.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* 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 the jEdit program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
/**
* A test routine for the JcmdProcess class.
* @author John Gellene
* @version $Id: JcmdProcessTest.java,v 1.3 2001/09/17 21:11:33 jgellene Exp $
*
* The class consists solely of a main method.
*/
public class JcmdProcessTest
{
/**
* The main test routine.
* @param argv Command line parameters.
*
* This method expects a conventional command line that will be passed as
* a parameter string to the Windows executable jcmd.exe .
*/
public static void main(String argv[])
{
System.out.println("Testing JcmdProcess class.");
String cmdLine = null;
JcmdProcess process = null;
/* Get full command line */
if(argv.length > 0)
{
StringBuffer sb = new StringBuffer(argv[0]);
for(int i = 1; i < argv.length; ++i)
{
sb.append(' ').append(argv[i]);
}
cmdLine = sb.toString();
System.out.println("Command line: " + cmdLine);
}
else
{
System.err.println("No command line provided.");
System.exit(1);
}
try
{
process = JcmdProcess.exec(cmdLine, null);
BufferedReader pInput = new BufferedReader(
new InputStreamReader(
process.getInputStream()));
String s = pInput.readLine();
/* call sendBreak after fixed number of
* lines of stdout are read
*/
int nRead = 0;
while (s != null)
{
System.out.println(s);
if(++nRead == 5)
process.sendBreak();
s = pInput.readLine();
}
}
catch(IOException e)
{
System.err.println("I/O error: " + e.toString());
}
catch(Exception e)
{
System.err.println("JcmdProcess error: " + e.toString());
}
System.out.println("Child process exited with code " +
String.valueOf(process.exitValue()));
System.exit(0);
}
}
// end JcmdProcessTest.java
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