1 /*
2 * Copyright (c) 2010, 2013, 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 com.sun.media.jfxmedia;
27
28 import com.sun.media.jfxmedia.events.MediaErrorListener;
29 import com.sun.media.jfxmedia.locator.Locator;
30 import com.sun.media.jfxmediaimpl.NativeMediaManager;
31 import java.util.List;
32
33 /**
34 * Factory class used to create media objects, players, and recorders, and to
35 * manage other global functionality.
36 *
37 * @see MediaPlayer
38 * @see MediaRecorder
39 */
40 public class MediaManager {
41
42 private MediaManager() {
43 // prevent instantiation of this class
44 }
45
46 /**
47 * @return {@link String} array of supported content types.
48 */
49 public static String[] getSupportedContentTypes() {
50 return NativeMediaManager.getDefaultInstance().getSupportedContentTypes();
51 }
52
53 /**
54 * Whether a media source having the indicated content type may be
55 * played.
56 *
57 * @throws IllegalArgumentException if <code>contentType</code> is
58 * <code>null</code>.
59 */
60 public static boolean canPlayContentType (String contentType) {
61 if (contentType == null) {
62 throw new IllegalArgumentException("contentType == null!");
63 }
64 return NativeMediaManager.getDefaultInstance().canPlayContentType (contentType);
65 }
66
67
68 // XXX javadoc
69 public static MetadataParser getMetadataParser(Locator locator) {
70 if (locator == null) {
71 throw new IllegalArgumentException("locator == null!");
72 }
73 return NativeMediaManager.getDefaultInstance().getMetadataParser(locator);
74 }
75
76 /**
77 * Gets a Media object for the clip. It cannot be played without attaching
78 * to a MediaPlayer.
79 *
80 * @param locator
81 * @return Media object
82 * @throws IllegalArgumentException if <code>locator</code> is
83 * <code>null</code>.
84 */
85 public static Media getMedia(Locator locator) {
86 if (locator == null) {
87 throw new IllegalArgumentException("locator == null!");
88 }
89 return NativeMediaManager.getDefaultInstance().getMedia(locator);
90 }
91
92 /**
93 * Get a player for the media locator
94 *
95 * @param locator
96 * @return MediaPlayer object
97 * @throws IllegalArgumentException if <code>locator</code> is
98 * <code>null</code>.
99 */
100 public static MediaPlayer getPlayer(Locator locator) {
101 if (locator == null) {
102 throw new IllegalArgumentException("locator == null!");
103 }
104 return NativeMediaManager.getDefaultInstance().getPlayer(locator);
105 }
106
107 /**
108 * Add a global listener for warnings. This listener will receive warnings
109 * which occur fall outside the context of a particular player or recorder.
110 *
111 * @param listener The listener to add.
112 * @throws IllegalArgumentException if <code>listener</code> is
113 * <code>null</code>.
114 */
115 public static void addMediaErrorListener(MediaErrorListener listener) {
116 if (listener == null) {
117 throw new IllegalArgumentException("listener == null!");
118 }
119 NativeMediaManager.getDefaultInstance().addMediaErrorListener(listener);
120 }
121
122 /**
123 * Remove a global listener for warnings.
124 *
125 * @param listener The listener to remove.
126 * @throws IllegalArgumentException if <code>listener</code> is
127 * <code>null</code>.
128 */
129 public static void removeMediaErrorListener(MediaErrorListener listener) {
130 if (listener == null) {
131 throw new IllegalArgumentException("listener == null!");
132 }
133 NativeMediaManager.getDefaultInstance().removeMediaErrorListener(listener);
134 }
135
136 /**
137 * This function will register MediaPlayer for disposing when obj parameter
138 * does not have any strong reference.
139 *
140 * @param obj - Object to watch for strong references
141 * @param player - MediaPlayer to dispose
142 */
143 public static void registerMediaPlayerForDispose(Object obj, MediaPlayer player) {
144 NativeMediaManager.registerMediaPlayerForDispose(obj, player);
145 }
146
147 /**
148 * Retrieve all un-disposed {@link MediaPlayer}s.
149 * @return a {@link List} of all un-disposed players or <code>null</code>.
150 */
151 public static List<MediaPlayer> getAllMediaPlayers() {
152 return NativeMediaManager.getDefaultInstance().getAllMediaPlayers();
153 }
154 }