/**
* Gives the same basic functionality of File.exists but can be used to look for removable media
* without showing a system dialog if the media is not present. Workaround pulled from the <A
* HREF="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4089199"> bug report</A> on
* bugs.sun.com. This bug was fixed in Java 6, and we can remove the workaround when we start
* requiring Java 6.
*/
protected static boolean fileExists(File file) {
try {
Process process =
Runtime.getRuntime().exec(new String[] {"cmd.exe", "/c", "dir", file.getAbsolutePath()});
// We need to consume all available output or the process will block.
boolean haveExitCode = false;
int exitCode = -1;
InputStream out = process.getInputStream();
InputStream err = process.getErrorStream();
while (!haveExitCode) {
while (out.read() >= 0) {}
while (err.read() >= 0) {}
try {
exitCode = process.exitValue();
haveExitCode = true;
} catch (IllegalThreadStateException e) {
// Not yet complete.
Thread.sleep(100);
}
}
// int exitCode = process.waitFor();
return exitCode == 0;
} catch (IOException e) {
System.out.println("Unable to check for file: " + file + " : " + e);
return false;
} catch (InterruptedException e) {
System.out.println("Unable to check for file. Interrupted: " + file + " : " + e);
return false;
}
}
/** Redirect a VMs output and error streams to System.out and System.err */
protected void redirectStreams(VirtualMachine vm) {
MessageSiphon ms = new MessageSiphon(process.getErrorStream(), this);
errThread = ms.getThread();
outThread = new StreamRedirectThread("VM output reader", process.getInputStream(), System.out);
errThread.start();
outThread.start();
}
/**
* Generate the trace. Enable events, start thread to display events, start threads to forward
* remote error and output streams, resume the remote VM, wait for the final event, and shutdown.
*/
protected void generateTrace() {
// vm.setDebugTraceMode(debugTraceMode);
// vm.setDebugTraceMode(VirtualMachine.TRACE_ALL);
// vm.setDebugTraceMode(VirtualMachine.TRACE_NONE); // formerly, seems to have no effect
// For internal debugging
PrintWriter writer = null;
// Calling this seems to set something internally to make the
// Eclipse JDI wake up. Without it, an ObjectCollectedException
// is thrown on excReq.enable(). No idea why this works,
// but at least exception handling has returned. (Suspect that it may
// block until all or at least some threads are available, meaning
// that the app has launched and we have legit objects to talk to).
vm.allThreads();
// The bug may not have been noticed because the test suite waits for
// a thread to be available, and queries it by calling allThreads().
// See org.eclipse.debug.jdi.tests.AbstractJDITest for the example.
EventRequestManager mgr = vm.eventRequestManager();
// get only the uncaught exceptions
ExceptionRequest excReq = mgr.createExceptionRequest(null, false, true);
// System.out.println(excReq);
// this version reports all exceptions, caught or uncaught
// ExceptionRequest excReq = mgr.createExceptionRequest(null, true, true);
// suspend so we can step
excReq.setSuspendPolicy(EventRequest.SUSPEND_ALL);
// excReq.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD);
// excReq.setSuspendPolicy(EventRequest.SUSPEND_NONE); // another option?
excReq.enable();
Thread eventThread =
new Thread() {
public void run() {
try {
boolean connected = true;
while (connected) {
EventQueue eventQueue = vm.eventQueue();
// remove() blocks until event(s) available
EventSet eventSet = eventQueue.remove();
// listener.vmEvent(eventSet);
for (Event event : eventSet) {
// System.out.println("EventThread.handleEvent -> " + event);
if (event instanceof VMStartEvent) {
vm.resume();
} else if (event instanceof ExceptionEvent) {
// for (ThreadReference thread : vm.allThreads()) {
// System.out.println("thread : " + thread);
//// thread.suspend();
// }
exceptionEvent((ExceptionEvent) event);
} else if (event instanceof VMDisconnectEvent) {
connected = false;
}
}
}
// } catch (VMDisconnectedException e) {
// Logger.getLogger(VMEventReader.class.getName()).log(Level.INFO,
// "VMEventReader quit on VM disconnect");
} catch (Exception e) {
System.err.println("crashed in event thread due to " + e.getMessage());
// Logger.getLogger(VMEventReader.class.getName()).log(Level.SEVERE,
// "VMEventReader quit", e);
e.printStackTrace();
}
}
};
eventThread.start();
errThread = new MessageSiphon(process.getErrorStream(), this).getThread();
outThread = new StreamRedirectThread("JVM stdout Reader", process.getInputStream(), System.out);
errThread.start();
outThread.start();
// Shutdown begins when event thread terminates
try {
if (eventThread != null) eventThread.join(); // is this the problem?
// System.out.println("in here");
// Bug #852 tracked to this next line in the code.
// http://dev.processing.org/bugs/show_bug.cgi?id=852
errThread.join(); // Make sure output is forwarded
// System.out.println("and then");
outThread.join(); // before we exit
// System.out.println("finished join for errThread and outThread");
// At this point, disable the run button.
// This happens when the sketch is exited by hitting ESC,
// or the user manually closes the sketch window.
// TODO this should be handled better, should it not?
if (editor != null) {
editor.deactivateRun();
}
} catch (InterruptedException exc) {
// we don't interrupt
}
// System.out.println("and leaving");
if (writer != null) writer.close();
}
/** * Either succeeds or throws a RunnerException fit for public consumption. * [ROBOTIS]Changed prototype to support ARM Cortex-M3 based CM-900 Pandora project * 2012-09-26 [email protected] * */ protected void execAsynchronously(List<String> commandList) throws RunnerException { String[] command = new String[commandList.size()]; commandList.toArray(command); //System.out.println("[ROBOTIS]execAsynchronously Start"); /* for(String tmp:command) System.out.print(tmp+" "); System.out.println("");*/ int result = 0; if (verbose || Preferences.getBoolean("build.verbose")) { for(int j = 0; j < command.length; j++) { System.out.print(command[j] + " "); } System.out.println(); } firstErrorFound = false; // haven't found any errors yet secondErrorFound = false; Process process; try { process = Runtime.getRuntime().exec(command); //excute process to run commnad } catch (IOException e) { RunnerException re = new RunnerException(e.getMessage()); re.hideStackTrace(); throw re; } // new InputStreamFromConsole( process.getInputStream()).start(); //[ROBOTIS] add to display console reply. //[ROBOTIS][CHANGE] dont use below codes MessageSiphon in = new MessageSiphon(process.getInputStream(), this); MessageSiphon err = new MessageSiphon(process.getErrorStream(), this); // wait for the process to finish. if interrupted // before waitFor returns, continue waiting boolean compiling = true; while (compiling) { try { /* in.join(); err.join(); result = process.waitFor(); System.out.println("result is " + result); compiling = false;*/ if (in.thread != null) in.thread.join(); if (err.thread != null) err.thread.join(); result = process.waitFor(); // System.out.println("result is " + result); compiling = false; } catch (InterruptedException ignored) { } } // an error was queued up by message(), barf this back to compile(), // which will barf it back to Editor. if you're having trouble // discerning the imagery, consider how cows regurgitate their food // to digest it, and the fact that they have five stomaches. // //System.out.println("throwing up " + exception); if (exception != null) { throw exception; } if (result > 1) { // a failure in the tool (e.g. unable to locate a sub-executable) System.err.println( I18n.format(_("{0} returned {1}"), command[0], result)); } if (result != 0) { RunnerException re = new RunnerException(_("Error compiling.")); re.hideStackTrace(); throw re; } }
