/*
* Copyright ( c ) 2007 , 2008 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code 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
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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* questions .
*/
/* @test
* @ summary verify thread interruption doesn ' t affect font file reading .
* @ bug 6640532
*/
import java.awt.*;
public class FontThread extends Thread {
String fontName = "Dialog" ;
static FontThread thread1;
static FontThread thread2;
static FontThread thread3;
public static void main(String args[]) throws Exception {
thread1 = new FontThread("SansSerif" );
thread2 = new FontThread("Serif" );
thread3 = new FontThread("Monospaced" );
thread1.dometrics(60 ); // load classes first
thread1.start();
thread2.start();
thread3.start();
InterruptThread ithread = new InterruptThread();
ithread.setDaemon(true );
ithread.start();
thread1.join();
thread2.join();
thread3.join();
}
FontThread(String font) {
super ();
this .fontName = font;
}
public void run() {
System.out.println("started " +fontName); System.out.flush();
dometrics(4000 );
System.out.println("done " +fontName); System.out.flush();
}
private void dometrics(int max) {
Font f = new Font(fontName, Font.PLAIN, 12 );
FontMetrics fm = Toolkit.getDefaultToolkit().getFontMetrics(f);
for (char i=0 ;i<max;i++) {
if (f.canDisplay(i)) fm.charWidth(i);
}
}
static class InterruptThread extends Thread {
public void run() {
while (true ) {
try {
Thread .sleep(1 );
} catch (InterruptedException e) {
}
thread1.interrupt();
thread2.interrupt();
thread3.interrupt();
}
}
}
}
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