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fixes for running applet as external vm

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benfry
2003-09-26 19:06:22 +00:00
parent 2edebd6958
commit 8376b33fc5
3 changed files with 84 additions and 32 deletions
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55
processing/app/PdeRuntime.java
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@@ -37,7 +37,6 @@ import gnu.io.*;
public class PdeRuntime implements PdeMessageConsumer {
Process process;
BApplet applet;
PdeException exception;
Window window;
@@ -48,6 +47,8 @@ public class PdeRuntime implements PdeMessageConsumer {
boolean newMessage;
int messageLineCount;
Process process;
OutputStream processOutput;
boolean externalRuntime;
String externalPaths;
@@ -85,13 +86,14 @@ public class PdeRuntime implements PdeMessageConsumer {
"-cp",
externalPaths,
"BApplet",
"--location=" + x1 + "," + y1,
"--external=" + x1 + "," + y1,
className
};
process = Runtime.getRuntime().exec(command);
new PdeMessageSiphon(process.getInputStream(), this);
new PdeMessageSiphon(process.getErrorStream(), this);
processOutput = process.getOutputStream();
} else {
Class c = Class.forName(className);
@@ -305,23 +307,33 @@ public class PdeRuntime implements PdeMessageConsumer {
public void stop() {
//System.out.println();
//System.out.println("* stopping");
//System.out.println("PdeRuntime.stop()");
// check for null in case stop is called during compilation
if (applet != null) applet.stop();
//if (window != null) window.hide();
if (applet != null) {
applet.stop();
//if (window != null) window.hide();
// above avoids NullPointerExceptions
// but still threading is too complex, and so
// some boogers are being left behind
// above avoids NullPointerExceptions
// but still threading is too complex, and so
// some boogers are being left behind
applet = null;
//window = null;
applet = null;
//window = null;
if (process != null) { // running externally
} else if (process != null) { // running externally
//System.out.println("killing external process");
process.destroy();
process = null;
try {
//System.out.println("writing to stop process");
processOutput.write('s');
processOutput.flush();
} catch (IOException e) {
System.err.println("error stopping external applet");
e.printStackTrace();
close();
}
/*
try {
@@ -349,10 +361,27 @@ public class PdeRuntime implements PdeMessageConsumer {
window.dispose();
window = null;
}
if (process != null) {
try {
process.destroy();
} catch (Exception e) {
System.err.println("(ignored) error while destroying");
e.printStackTrace();
}
process = null;
}
}
public void message(String s) {
if (s.indexOf(BApplet.EXTERNAL_QUIT) == 0) {
//close();
System.out.println("got proper quit message");
editor.doClose();
return;
}
//System.err.println("message " + s.length() + ":" + s);
if (s.length() > 2) System.err.println(s);