--- a/jdk/src/share/classes/com/sun/servicetag/BrowserSupport.java Tue Apr 02 17:40:53 2013 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-/*
- * Copyright (c) 2008, 2011, 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. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.servicetag;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.lang.reflect.InvocationTargetException;
-import java.io.IOException;
-import java.net.URI;
-
-/**
- * BrowserSupport class.
- *
- * The implementation of the com.sun.servicetag API needs to be
- * compiled with JDK 5 as well since the consumer of this API
- * may require to support JDK 5 (e.g. NetBeans).
- *
- * The Desktop.browse() method can be backported in this class
- * if needed. The current implementation only supports JDK 6.
- */
-class BrowserSupport {
- private static boolean isBrowseSupported = false;
- private static Method browseMethod = null;
- private static Object desktop = null;
- private static volatile Boolean result = false;
-
-
- private static void initX() {
- if (desktop != null) {
- return;
- }
- boolean supported = false;
- Method browseM = null;
- Object desktopObj = null;
- try {
- // Determine if java.awt.Desktop is supported
- Class<?> desktopCls = Class.forName("java.awt.Desktop", true, null);
- Method getDesktopM = desktopCls.getMethod("getDesktop");
- browseM = desktopCls.getMethod("browse", URI.class);
-
- Class<?> actionCls = Class.forName("java.awt.Desktop$Action", true, null);
- final Method isDesktopSupportedMethod = desktopCls.getMethod("isDesktopSupported");
- Method isSupportedMethod = desktopCls.getMethod("isSupported", actionCls);
- Field browseField = actionCls.getField("BROWSE");
- // isDesktopSupported calls getDefaultToolkit which can block
- // infinitely, see 6636099 for details, to workaround we call
- // in a thread and time it out, noting that the issue is specific
- // to X11, it does not hurt for Windows.
- Thread xthread = new Thread() {
- public void run() {
- try {
- // support only if Desktop.isDesktopSupported() and
- // Desktop.isSupported(Desktop.Action.BROWSE) return true.
- result = (Boolean) isDesktopSupportedMethod.invoke(null);
- } catch (IllegalAccessException e) {
- // should never reach here
- throw new InternalError("Desktop.getDesktop() method not found", e);
- } catch (InvocationTargetException e) {
- // browser not supported
- if (Util.isVerbose()) {
- e.printStackTrace();
- }
- }
- }
- };
- // set it to daemon, so that the vm will exit.
- xthread.setDaemon(true);
- xthread.start();
- try {
- xthread.join(5 * 1000);
- } catch (InterruptedException ie) {
- // ignore the exception
- }
- if (result.booleanValue()) {
- desktopObj = getDesktopM.invoke(null);
- result = (Boolean) isSupportedMethod.invoke(desktopObj, browseField.get(null));
- supported = result.booleanValue();
- }
- } catch (IllegalAccessException e) {
- // should never reach here
- throw new InternalError("Desktop.getDesktop() method not found", e);
- } catch (ReflectiveOperationException e) {
- // browser not supported
- if (Util.isVerbose()) {
- e.printStackTrace();
- }
- }
- isBrowseSupported = supported;
- browseMethod = browseM;
- desktop = desktopObj;
- }
-
- static boolean isSupported() {
- initX();
- return isBrowseSupported;
- }
-
- /**
- * Launches the default browser to display a {@code URI}.
- * If the default browser is not able to handle the specified
- * {@code URI}, the application registered for handling
- * {@code URIs} of the specified type is invoked. The application
- * is determined from the protocol and path of the {@code URI}, as
- * defined by the {@code URI} class.
- * <p>
- * This method calls the Desktop.getDesktop().browse() method.
- * <p>
- * @param uri the URI to be displayed in the user default browser
- *
- * @throws NullPointerException if {@code uri} is {@code null}
- * @throws UnsupportedOperationException if the current platform
- * does not support the {@link Desktop.Action#BROWSE} action
- * @throws IOException if the user default browser is not found,
- * or it fails to be launched, or the default handler application
- * failed to be launched
- * @throws IllegalArgumentException if the necessary permissions
- * are not available and the URI can not be converted to a {@code URL}
- */
- static void browse(URI uri) throws IOException {
- if (uri == null) {
- throw new NullPointerException("null uri");
- }
- if (!isSupported()) {
- throw new UnsupportedOperationException("Browse operation is not supported");
- }
-
- // Call Desktop.browse() method
- try {
- if (Util.isVerbose()) {
- System.out.println("desktop: " + desktop + ":browsing..." + uri);
- }
- browseMethod.invoke(desktop, uri);
- } catch (IllegalAccessException e) {
- // should never reach here
- throw new InternalError("Desktop.getDesktop() method not found", e);
- } catch (InvocationTargetException e) {
- Throwable x = e.getCause();
- if (x != null) {
- if (x instanceof UnsupportedOperationException) {
- throw (UnsupportedOperationException) x;
- } else if (x instanceof IllegalArgumentException) {
- throw (IllegalArgumentException) x;
- } else if (x instanceof IOException) {
- throw (IOException) x;
- } else if (x instanceof SecurityException) {
- throw (SecurityException) x;
- } else {
- // ignore
- }
- }
- }
- }
-}