186 lines
7.3 KiB
Java
186 lines
7.3 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media;
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import android.content.ContentValues;
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import android.provider.MediaStore.Audio;
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import android.provider.MediaStore.Images;
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import android.provider.MediaStore.Video;
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import java.util.HashMap;
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import java.util.Iterator;
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/**
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* MediaScanner helper class.
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*
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* {@hide}
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*/
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public class MediaFile {
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// comma separated list of all file extensions supported by the media scanner
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public final static String sFileExtensions;
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// Audio file types
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public static final int FILE_TYPE_MP3 = 1;
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public static final int FILE_TYPE_M4A = 2;
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public static final int FILE_TYPE_WAV = 3;
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public static final int FILE_TYPE_AMR = 4;
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public static final int FILE_TYPE_AWB = 5;
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public static final int FILE_TYPE_WMA = 6;
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public static final int FILE_TYPE_OGG = 7;
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private static final int FIRST_AUDIO_FILE_TYPE = FILE_TYPE_MP3;
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private static final int LAST_AUDIO_FILE_TYPE = FILE_TYPE_OGG;
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// MIDI file types
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public static final int FILE_TYPE_MID = 11;
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public static final int FILE_TYPE_SMF = 12;
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public static final int FILE_TYPE_IMY = 13;
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private static final int FIRST_MIDI_FILE_TYPE = FILE_TYPE_MID;
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private static final int LAST_MIDI_FILE_TYPE = FILE_TYPE_IMY;
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// Video file types
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public static final int FILE_TYPE_MP4 = 21;
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public static final int FILE_TYPE_M4V = 22;
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public static final int FILE_TYPE_3GPP = 23;
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public static final int FILE_TYPE_3GPP2 = 24;
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public static final int FILE_TYPE_WMV = 25;
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private static final int FIRST_VIDEO_FILE_TYPE = FILE_TYPE_MP4;
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private static final int LAST_VIDEO_FILE_TYPE = FILE_TYPE_WMV;
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// Image file types
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public static final int FILE_TYPE_JPEG = 31;
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public static final int FILE_TYPE_GIF = 32;
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public static final int FILE_TYPE_PNG = 33;
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public static final int FILE_TYPE_BMP = 34;
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public static final int FILE_TYPE_WBMP = 35;
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private static final int FIRST_IMAGE_FILE_TYPE = FILE_TYPE_JPEG;
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private static final int LAST_IMAGE_FILE_TYPE = FILE_TYPE_WBMP;
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// Playlist file types
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public static final int FILE_TYPE_M3U = 41;
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public static final int FILE_TYPE_PLS = 42;
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public static final int FILE_TYPE_WPL = 43;
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private static final int FIRST_PLAYLIST_FILE_TYPE = FILE_TYPE_M3U;
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private static final int LAST_PLAYLIST_FILE_TYPE = FILE_TYPE_WPL;
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static class MediaFileType {
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int fileType;
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String mimeType;
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MediaFileType(int fileType, String mimeType) {
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this.fileType = fileType;
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this.mimeType = mimeType;
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}
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}
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private static HashMap<String, MediaFileType> sFileTypeMap
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= new HashMap<String, MediaFileType>();
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private static HashMap<String, Integer> sMimeTypeMap
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= new HashMap<String, Integer>();
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static void addFileType(String extension, int fileType, String mimeType) {
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sFileTypeMap.put(extension, new MediaFileType(fileType, mimeType));
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sMimeTypeMap.put(mimeType, Integer.valueOf(fileType));
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}
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static {
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addFileType("MP3", FILE_TYPE_MP3, "audio/mpeg");
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addFileType("M4A", FILE_TYPE_M4A, "audio/mp4");
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addFileType("WAV", FILE_TYPE_WAV, "audio/x-wav");
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addFileType("AMR", FILE_TYPE_AMR, "audio/amr");
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addFileType("AWB", FILE_TYPE_AWB, "audio/amr-wb");
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addFileType("WMA", FILE_TYPE_WMA, "audio/x-ms-wma");
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addFileType("OGG", FILE_TYPE_OGG, "application/ogg");
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addFileType("OGA", FILE_TYPE_OGG, "application/ogg");
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addFileType("MID", FILE_TYPE_MID, "audio/midi");
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addFileType("MIDI", FILE_TYPE_MID, "audio/midi");
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addFileType("XMF", FILE_TYPE_MID, "audio/midi");
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addFileType("RTTTL", FILE_TYPE_MID, "audio/midi");
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addFileType("SMF", FILE_TYPE_SMF, "audio/sp-midi");
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addFileType("IMY", FILE_TYPE_IMY, "audio/imelody");
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addFileType("RTX", FILE_TYPE_MID, "audio/midi");
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addFileType("OTA", FILE_TYPE_MID, "audio/midi");
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addFileType("MP4", FILE_TYPE_MP4, "video/mp4");
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addFileType("M4V", FILE_TYPE_M4V, "video/mp4");
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addFileType("3GP", FILE_TYPE_3GPP, "video/3gpp");
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addFileType("3GPP", FILE_TYPE_3GPP, "video/3gpp");
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addFileType("3G2", FILE_TYPE_3GPP2, "video/3gpp2");
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addFileType("3GPP2", FILE_TYPE_3GPP2, "video/3gpp2");
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addFileType("WMV", FILE_TYPE_WMV, "video/x-ms-wmv");
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addFileType("JPG", FILE_TYPE_JPEG, "image/jpeg");
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addFileType("JPEG", FILE_TYPE_JPEG, "image/jpeg");
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addFileType("GIF", FILE_TYPE_GIF, "image/gif");
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addFileType("PNG", FILE_TYPE_PNG, "image/png");
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addFileType("BMP", FILE_TYPE_BMP, "image/x-ms-bmp");
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addFileType("WBMP", FILE_TYPE_WBMP, "image/vnd.wap.wbmp");
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addFileType("M3U", FILE_TYPE_M3U, "audio/x-mpegurl");
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addFileType("PLS", FILE_TYPE_PLS, "audio/x-scpls");
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addFileType("WPL", FILE_TYPE_WPL, "application/vnd.ms-wpl");
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// compute file extensions list for native Media Scanner
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StringBuilder builder = new StringBuilder();
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Iterator<String> iterator = sFileTypeMap.keySet().iterator();
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while (iterator.hasNext()) {
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if (builder.length() > 0) {
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builder.append(',');
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}
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builder.append(iterator.next());
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}
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sFileExtensions = builder.toString();
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}
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public static final String UNKNOWN_STRING = "<unknown>";
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public static boolean isAudioFileType(int fileType) {
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return ((fileType >= FIRST_AUDIO_FILE_TYPE &&
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fileType <= LAST_AUDIO_FILE_TYPE) ||
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(fileType >= FIRST_MIDI_FILE_TYPE &&
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fileType <= LAST_MIDI_FILE_TYPE));
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}
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public static boolean isVideoFileType(int fileType) {
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return (fileType >= FIRST_VIDEO_FILE_TYPE &&
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fileType <= LAST_VIDEO_FILE_TYPE);
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}
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public static boolean isImageFileType(int fileType) {
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return (fileType >= FIRST_IMAGE_FILE_TYPE &&
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fileType <= LAST_IMAGE_FILE_TYPE);
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}
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public static boolean isPlayListFileType(int fileType) {
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return (fileType >= FIRST_PLAYLIST_FILE_TYPE &&
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fileType <= LAST_PLAYLIST_FILE_TYPE);
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}
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public static MediaFileType getFileType(String path) {
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int lastDot = path.lastIndexOf(".");
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if (lastDot < 0)
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return null;
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return sFileTypeMap.get(path.substring(lastDot + 1).toUpperCase());
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}
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public static int getFileTypeForMimeType(String mimeType) {
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Integer value = sMimeTypeMap.get(mimeType);
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return (value == null ? 0 : value.intValue());
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}
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}
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