1 /*
2 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.awt;
27
28 import java.io.File;
29 import java.io.IOException;
30 import java.net.URISyntaxException;
31 import java.net.URI;
32 import java.net.URL;
33 import java.net.MalformedURLException;
34 import java.awt.AWTPermission;
35 import java.awt.GraphicsEnvironment;
36 import java.awt.HeadlessException;
37 import java.awt.peer.DesktopPeer;
38 import sun.awt.SunToolkit;
39 import sun.awt.HeadlessToolkit;
40 import java.io.FilePermission;
41 import sun.security.util.SecurityConstants;
42
43 /**
44 * The {@code Desktop} class allows a Java application to launch
45 * associated applications registered on the native desktop to handle
46 * a {@link java.net.URI} or a file.
47 *
48 * <p> Supported operations include:
49 * <ul>
50 * <li>launching the user-default browser to show a specified
51 * URI;</li>
52 * <li>launching the user-default mail client with an optional
53 * {@code mailto} URI;</li>
54 * <li>launching a registered application to open, edit or print a
55 * specified file.</li>
56 * </ul>
57 *
58 * <p> This class provides methods corresponding to these
59 * operations. The methods look for the associated application
60 * registered on the current platform, and launch it to handle a URI
105 PRINT,
106 /**
107 * Represents a "mail" action.
108 * @see Desktop#mail()
109 * @see Desktop#mail(java.net.URI)
110 */
111 MAIL,
112 /**
113 * Represents a "browse" action.
114 * @see Desktop#browse(java.net.URI)
115 */
116 BROWSE
117 };
118
119 private DesktopPeer peer;
120
121 /**
122 * Suppresses default constructor for noninstantiability.
123 */
124 private Desktop() {
125 peer = Toolkit.getDefaultToolkit().createDesktopPeer(this);
126 }
127
128 /**
129 * Returns the <code>Desktop</code> instance of the current
130 * browser context. On some platforms the Desktop API may not be
131 * supported; use the {@link #isDesktopSupported} method to
132 * determine if the current desktop is supported.
133 * @return the Desktop instance of the current browser context
134 * @throws HeadlessException if {@link
135 * GraphicsEnvironment#isHeadless()} returns {@code true}
136 * @throws UnsupportedOperationException if this class is not
137 * supported on the current platform
138 * @see #isDesktopSupported()
139 * @see java.awt.GraphicsEnvironment#isHeadless
140 */
141 public static synchronized Desktop getDesktop(){
142 if (GraphicsEnvironment.isHeadless()) throw new HeadlessException();
143 if (!Desktop.isDesktopSupported()) {
144 throw new UnsupportedOperationException("Desktop API is not " +
145 "supported on the current platform");
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1 /*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.awt;
27
28 import java.awt.peer.DesktopPeer;
29 import java.io.File;
30 import java.io.FilePermission;
31 import java.io.IOException;
32 import java.net.MalformedURLException;
33 import java.net.URI;
34 import java.net.URISyntaxException;
35 import java.net.URL;
36
37 import sun.awt.SunToolkit;
38 import sun.security.util.SecurityConstants;
39
40 /**
41 * The {@code Desktop} class allows a Java application to launch
42 * associated applications registered on the native desktop to handle
43 * a {@link java.net.URI} or a file.
44 *
45 * <p> Supported operations include:
46 * <ul>
47 * <li>launching the user-default browser to show a specified
48 * URI;</li>
49 * <li>launching the user-default mail client with an optional
50 * {@code mailto} URI;</li>
51 * <li>launching a registered application to open, edit or print a
52 * specified file.</li>
53 * </ul>
54 *
55 * <p> This class provides methods corresponding to these
56 * operations. The methods look for the associated application
57 * registered on the current platform, and launch it to handle a URI
102 PRINT,
103 /**
104 * Represents a "mail" action.
105 * @see Desktop#mail()
106 * @see Desktop#mail(java.net.URI)
107 */
108 MAIL,
109 /**
110 * Represents a "browse" action.
111 * @see Desktop#browse(java.net.URI)
112 */
113 BROWSE
114 };
115
116 private DesktopPeer peer;
117
118 /**
119 * Suppresses default constructor for noninstantiability.
120 */
121 private Desktop() {
122 Toolkit defaultToolkit = Toolkit.getDefaultToolkit();
123 // same cast as in isDesktopSupported()
124 if (defaultToolkit instanceof SunToolkit) {
125 peer = ((SunToolkit) defaultToolkit).createDesktopPeer(this);
126 }
127 }
128
129 /**
130 * Returns the <code>Desktop</code> instance of the current
131 * browser context. On some platforms the Desktop API may not be
132 * supported; use the {@link #isDesktopSupported} method to
133 * determine if the current desktop is supported.
134 * @return the Desktop instance of the current browser context
135 * @throws HeadlessException if {@link
136 * GraphicsEnvironment#isHeadless()} returns {@code true}
137 * @throws UnsupportedOperationException if this class is not
138 * supported on the current platform
139 * @see #isDesktopSupported()
140 * @see java.awt.GraphicsEnvironment#isHeadless
141 */
142 public static synchronized Desktop getDesktop(){
143 if (GraphicsEnvironment.isHeadless()) throw new HeadlessException();
144 if (!Desktop.isDesktopSupported()) {
145 throw new UnsupportedOperationException("Desktop API is not " +
146 "supported on the current platform");
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