Demonstrate ProgressMeterInputStream
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import javax.swing.*;
import java.io.*;
/**
* Demonstrate ProgressMeterInputStream.
*
* @author Ian Darwin, http://www.darwinsys.com/
* @version $Id: ProgressMeterStrmDemo.java,v 1.5 2004/02/23 03:39:22 ian Exp $
*/
public class ProgressMeterStrmDemo extends JFrame implements Runnable {
public void readTheFile() throws IOException {
// OK, we're going to read a file. Do it...
FileInputStream is = new FileInputStream("index.htm");
BufferedReader ds = new BufferedReader(
new InputStreamReader(
new ProgressMonitorInputStream(this,
"Loading...", new FileInputStream("index.htm"))));
// Now read it...
String line;
while ((line = ds.readLine()) != null) {
if (System.getProperties().getProperty("debug.lines")!=null)
System.err.println("Read this line: " + line);
try {
Thread.sleep(200); // slow it down a bit.
} catch(InterruptedException e) {
return;
}
}
// Close file, since it was opened.
ds.close();
}
/** We use a separate "thread" (see Threads chapter) to do the reading,
* so the GUI can run independantly (since we have "sleep" calls to make
* it appear to run more slowly).
*/
public void run() {
try {
readTheFile();
} catch (EOFException nme) {
return;
} catch (IOException e) {
System.err.println(e.toString());
return;
}
}
public ProgressMeterStrmDemo() {
new Thread(this).start();
}
public static void main(String[] av) {
ProgressMeterStrmDemo demo = new ProgressMeterStrmDemo();
demo.setSize(100, 100);
demo.getContentPane().add(new JLabel("ProgressMeterStrmDemo"));
demo.pack();
demo.setVisible(true);
}
}
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