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// Copyright (C) 2001-2003 Jon A. Maxwell (JAM)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
package net.sourceforge.jnlp.runtime;
import java.applet.*;
import java.awt.*;
import net.sourceforge.jnlp.*;
/**
* Represents a launched application instance created from a JNLP
* file. This class does not control the operation of the applet,
* use the AppletEnvironment class to start and stop the applet.
*
* @author <a href="mailto:jmaxwell@users.sourceforge.net">Jon A. Maxwell (JAM)</a> - initial author
* @version $Revision: 1.9 $
*/
public class AppletInstance extends ApplicationInstance {
/** whether the applet's stop and destroy methods have been called */
private boolean appletStopped = false;
/** the applet */
private Applet applet;
/** the applet environment */
private AppletEnvironment environment;
/**
* Create a New Task based on the Specified URL
*/
public AppletInstance(JNLPFile file, ThreadGroup group, ClassLoader loader, Applet applet) {
super(file, group, loader);
this.applet = applet;
this.environment = new AppletEnvironment(file, this);
}
/**
* Set the applet of this launched application; can only be called once.
*/
public void setApplet(Applet applet) {
if (this.applet != null) {
if (JNLPRuntime.isDebug()) {
Exception ex = new IllegalStateException("Applet can only be set once.");
ex.printStackTrace();
}
return;
}
this.applet = applet;
}
/**
*
*/
public AppletInstance(JNLPFile file, ThreadGroup group, ClassLoader loader, Applet applet, Container cont) {
super(file, group, loader);
this.applet = applet;
this.environment = new AppletEnvironment(file, this, cont);
}
/**
* Sets whether the applet is resizable or not. Applets default
* to being not resizable.
*/
public void setResizable(boolean resizable) {
Container c = environment.getAppletFrame();
if (c instanceof Frame)
((Frame) c).setResizable(resizable);
}
/**
* Returns whether the applet is resizable.
*/
public boolean isResizable() {
Container c = environment.getAppletFrame();
if (c instanceof Frame)
return ((Frame) c).isResizable();
return false;
}
/**
* Returns the application title.
*/
public String getTitle() {
return getJNLPFile().getApplet().getName();
}
/**
* Returns the applet environment.
*/
public AppletEnvironment getAppletEnvironment() {
return environment;
}
/**
* Returns the applet.
*/
public Applet getApplet() {
return applet;
}
/**
* Stop the application and destroy its resources.
*/
public void destroy() {
if (appletStopped)
return;
appletStopped = true;
try {
applet.stop();
applet.destroy();
} catch (Exception ex) {
if (JNLPRuntime.isDebug())
ex.printStackTrace();
}
environment.destroy();
super.destroy();
}
}
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