jdk/src/share/classes/com/sun/servicetag/BrowserSupport.java
changeset 16574 51c8dbc33017
parent 16573 5e63bda2ec36
parent 16544 e6a8f1753168
child 16575 d7ad0dfaa411
--- a/jdk/src/share/classes/com/sun/servicetag/BrowserSupport.java	Mon Apr 01 21:42:15 2013 -0700
+++ /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
-                }
-            }
-        }
-    }
-}