Mercurial > hg > release > icedtea-web-1.6
view netx/sun/applet/AppletViewerPanelAccess.java @ 1271:a27404e97867
fixed build and runtime with jdk9
author | Jiri Vanek <jvanek@redhat.com> |
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date | Thu, 12 Nov 2015 15:48:22 +0100 |
parents | 02dd1b796d4b |
children |
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/* package-info.java Copyright (C) 2014 Red Hat, Inc. This file is part of IcedTea. IcedTea is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. IcedTea 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 for more details. You should have received a copy of the GNU General Public License along with IcedTea; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.*/ package sun.applet; import java.applet.Applet; import java.applet.AppletContext; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.URL; import java.util.Hashtable; import java.util.Map; import net.sourceforge.jnlp.NetxPanel; import net.sourceforge.jnlp.util.logging.OutputController; public abstract class AppletViewerPanelAccess extends AppletViewerPanel { public AppletViewerPanelAccess(URL documentURL, Map<String, String> atts) { // note, this is copy. // But th eonly usecasein applet outside ITW is get on parameters super(documentURL, new Hashtable<>(atts)); } protected URL getDocumentURL() { try { Field field = AppletViewerPanel.class.getDeclaredField("documentURL"); field.setAccessible(true); return (URL) field.get(this); } catch (IllegalAccessException | IllegalArgumentException | NoSuchFieldException | SecurityException ex) { throw new RuntimeException(ex); } } protected void setApplet(Applet iapplet) { try { Field field = AppletPanel.class.getDeclaredField("applet"); field.setAccessible(true); field.set(this, iapplet); } catch (IllegalAccessException | IllegalArgumentException | NoSuchFieldException | SecurityException ex) { throw new RuntimeException(ex); } } @Override public void run() { // this is copypasted chunk from AppletPanel.run (the only current // call of runLoader). Pray it do not change Thread curThread = Thread.currentThread(); if (curThread == loaderThread) { ourRunLoader(); return; } super.run(); } @Override public AppletContext getAppletContext() { if (getParent() instanceof AppletContext) { return super.getAppletContext(); } return ((NetxPanel)this).getAppInst().getAppletEnvironment(); } /** * NOTE. We cannot override private method, and this call is unused and useless. * But kept for record of troubles to run on any openjdk. * upstream patch posted http://mail.openjdk.java.net/pipermail/awt-dev/2014-May/007828.html */ private void superRunLoader() { try { Class klazz = AppletPanel.class; Method runLoaderMethod = klazz.getDeclaredMethod("runLoader"); runLoaderMethod.setAccessible(true); runLoaderMethod.invoke(getApplet()); } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException ex) { throw new RuntimeException(ex); } } protected URL getBaseURL() { try { Field field = AppletViewerPanel.class .getDeclaredField("baseURL"); field.setAccessible( true); return (URL) field.get( this); } catch (IllegalAccessException | IllegalArgumentException | NoSuchFieldException | SecurityException ex) { throw new RuntimeException(ex); } } @Override //remaining stub of unpatched jdk protected synchronized void createAppletThread() { throw new RuntimeException("Not yet implemented"); //no need to call super, is overriden, and not used in upstream //AppletViewerPanel or AppletPanel } abstract protected void ourRunLoader(); /** * jdk9 removed doInit. * http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/2b680924a73f This is way how * to set it in older jdks and still compile on jdk9+ * * @param a value to set to doInit if it exists */ protected void setDoInitIfExists(boolean a) { //doInit = a; try { Class c = this.getClass(); Field fs = null; while (c != null) { if (AppletPanel.class.equals(c)) { fs = c.getDeclaredField("doInit"); break; } //known location is NetxPanel->AppeltViwerPannelAccess->AppletViwerPanel->AppletPanel c = c.getSuperclass(); } if (fs == null) { throw new NoSuchFieldException("AppletPanel not found."); } fs.setAccessible(true); fs.set(this, a); } catch (IllegalAccessException | IllegalArgumentException | NoSuchFieldException | SecurityException ex) { OutputController.getLogger().log("Can't get/set doInit. Runing on JDK9 or higher?"); OutputController.getLogger().log(ex); } } }