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Arduino/app/Command.java
2005-08-30 11:48:09 +00:00

153 lines
4.3 KiB
Java

/*
Part of the Arduino project - http://arduino.berlios.de
This class creates a compilation thread
this is needed for detecting time-outs
in system calls. It may happen in
windows whenever there is a syntax error
that the compilation may hang the IDE
@author DojoDave
@www http://www.0j0.org
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
(at your option) 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 this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// TODO migrate codebase to arduino.app
package processing.app;
import java.io.*;
class Command extends Thread
{
/** Command to execute on command line */
String command;
/** Process in execution */
Process process;
/** Output message from System.out */
public String outMsg ="";
/** Error message from System.error */
public String errorMsg ="";
/** Result value to be sent back */
public int outResult = -1;
public int errorResult = -1;
/** Total errors and warnings to be sent back */
public int totalErrors = 0;
/** Waiting value */
public int waitResult = -1;
/** Debug Errors and Warnings */
public boolean debugWarning = false;
public boolean debugError = false;
public boolean logAllOutput = false;
/**
* Creates the compiler object with the
* gnumake line to call
* @param command name of the command line to call
*/
public Command (String co)
{
// Assign to member variable
command = co;
}
/**
* Creates the compiler object with the
* gnumake line to call
* @param command name of the command line to call
* outlog will debug warnings when calling commands
*/
public Command (String co, boolean outlog)
{
// Assign to member variable
command = co;
logAllOutput = outlog;
}
/**
* Creates the compiler object with the
* gnumake line to call
* @param command name of the command line to call
* warnings will debug warnings when calling commands
* errors will debug errors when calling commands
*/
public Command (String co, boolean warnings, boolean errors)
{
// Assign to member variable
command = co;
debugWarning = warnings;
debugError = errors;
}
/** Performs system call specific code */
public void run()
{
try {
process = Runtime.getRuntime().exec(command);
ArduinoMessageSiphon input;
ArduinoMessageSiphon error;
if (logAllOutput) {
input = new ArduinoMessageSiphon(process.getInputStream(), this, logAllOutput);
error = new ArduinoMessageSiphon(process.getErrorStream(), this, logAllOutput);
} else {
input = new ArduinoMessageSiphon(process.getInputStream(), this, debugWarning, debugError);
error = new ArduinoMessageSiphon(process.getErrorStream(), this, debugWarning, debugError);
}
input.start();
error.start();
// wait for the process to finish. if interrupted
// before waitFor returns, continue waiting
//
boolean compiling = true;
while (compiling) {
try {
waitResult = process.waitFor();
outResult = input.result;
errorResult = error.result;
compiling = false;
} catch (InterruptedException ignored) { }
}
try {
waitResult = process.exitValue();
} catch (IllegalThreadStateException ignored) { }
// trace the error and outout
outMsg = input.theMsg;
errorMsg = error.theMsg;
totalErrors = error.totalErrors;
// waits 20 secs until being killed by the
// parent process or just dies, no zombies wanted!!
try {
Thread.currentThread().sleep(20000);
} catch (InterruptedException ie) {
}
} catch (IOException ioe) {
outResult = 99;
}
}
}