| /* |
| * Copyright (C) 2007-2008 Esmertec AG. |
| * Copyright (C) 2007-2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.messaging.util; |
| |
| import android.webkit.MimeTypeMap; |
| |
| public final class ContentType { |
| public static String THREE_GPP_EXTENSION = "3gp"; |
| public static String VIDEO_MP4_EXTENSION = "mp4"; |
| // Default extension used when we don't know one. |
| public static String DEFAULT_EXTENSION = "dat"; |
| |
| public static final int TYPE_IMAGE = 0; |
| public static final int TYPE_VIDEO = 1; |
| public static final int TYPE_AUDIO = 2; |
| public static final int TYPE_VCARD = 3; |
| public static final int TYPE_OTHER = 4; |
| |
| public static final String ANY_TYPE = "*/*"; |
| public static final String MMS_MESSAGE = "application/vnd.wap.mms-message"; |
| // The phony content type for generic PDUs (e.g. ReadOrig.ind, |
| // Notification.ind, Delivery.ind). |
| public static final String MMS_GENERIC = "application/vnd.wap.mms-generic"; |
| public static final String MMS_MULTIPART_MIXED = "application/vnd.wap.multipart.mixed"; |
| public static final String MMS_MULTIPART_RELATED = "application/vnd.wap.multipart.related"; |
| public static final String MMS_MULTIPART_ALTERNATIVE = |
| "application/vnd.wap.multipart.alternative"; |
| |
| public static final String TEXT_PLAIN = "text/plain"; |
| public static final String TEXT_HTML = "text/html"; |
| public static final String TEXT_VCALENDAR = "text/x-vCalendar"; |
| public static final String TEXT_VCARD = "text/x-vCard"; |
| |
| public static final String IMAGE_PREFIX = "image/"; |
| public static final String IMAGE_UNSPECIFIED = "image/*"; |
| public static final String IMAGE_JPEG = "image/jpeg"; |
| public static final String IMAGE_JPG = "image/jpg"; |
| public static final String IMAGE_GIF = "image/gif"; |
| public static final String IMAGE_WBMP = "image/vnd.wap.wbmp"; |
| public static final String IMAGE_PNG = "image/png"; |
| public static final String IMAGE_X_MS_BMP = "image/x-ms-bmp"; |
| |
| public static final String AUDIO_UNSPECIFIED = "audio/*"; |
| public static final String AUDIO_AAC = "audio/aac"; |
| public static final String AUDIO_AMR = "audio/amr"; |
| public static final String AUDIO_IMELODY = "audio/imelody"; |
| public static final String AUDIO_MID = "audio/mid"; |
| public static final String AUDIO_MIDI = "audio/midi"; |
| public static final String AUDIO_MP3 = "audio/mp3"; |
| public static final String AUDIO_MPEG3 = "audio/mpeg3"; |
| public static final String AUDIO_MPEG = "audio/mpeg"; |
| public static final String AUDIO_MPG = "audio/mpg"; |
| public static final String AUDIO_MP4 = "audio/mp4"; |
| public static final String AUDIO_MP4_LATM = "audio/mp4-latm"; |
| public static final String AUDIO_X_MID = "audio/x-mid"; |
| public static final String AUDIO_X_MIDI = "audio/x-midi"; |
| public static final String AUDIO_X_MP3 = "audio/x-mp3"; |
| public static final String AUDIO_X_MPEG3 = "audio/x-mpeg3"; |
| public static final String AUDIO_X_MPEG = "audio/x-mpeg"; |
| public static final String AUDIO_X_MPG = "audio/x-mpg"; |
| public static final String AUDIO_3GPP = "audio/3gpp"; |
| public static final String AUDIO_X_WAV = "audio/x-wav"; |
| public static final String AUDIO_OGG = "application/ogg"; |
| |
| public static final String MULTIPART_MIXED = "multipart/mixed"; |
| |
| public static final String VIDEO_UNSPECIFIED = "video/*"; |
| public static final String VIDEO_3GP = "video/3gp"; |
| public static final String VIDEO_3GPP = "video/3gpp"; |
| public static final String VIDEO_3G2 = "video/3gpp2"; |
| public static final String VIDEO_H263 = "video/h263"; |
| public static final String VIDEO_M4V = "video/m4v"; |
| public static final String VIDEO_MP4 = "video/mp4"; |
| public static final String VIDEO_MPEG = "video/mpeg"; |
| public static final String VIDEO_MPEG4 = "video/mpeg4"; |
| public static final String VIDEO_WEBM = "video/webm"; |
| |
| public static final String APP_SMIL = "application/smil"; |
| public static final String APP_WAP_XHTML = "application/vnd.wap.xhtml+xml"; |
| public static final String APP_XHTML = "application/xhtml+xml"; |
| |
| public static final String APP_DRM_CONTENT = "application/vnd.oma.drm.content"; |
| public static final String APP_DRM_MESSAGE = "application/vnd.oma.drm.message"; |
| |
| // This class should never be instantiated. |
| private ContentType() { |
| } |
| |
| public static boolean isTextType(final String contentType) { |
| return TEXT_PLAIN.equals(contentType) |
| || TEXT_HTML.equals(contentType) |
| || APP_WAP_XHTML.equals(contentType); |
| } |
| |
| public static boolean isMediaType(final String contentType) { |
| return isImageType(contentType) |
| || isVideoType(contentType) |
| || isAudioType(contentType) |
| || isVCardType(contentType); |
| } |
| |
| public static boolean isImageType(final String contentType) { |
| return (null != contentType) && contentType.startsWith(IMAGE_PREFIX); |
| } |
| |
| public static boolean isAudioType(final String contentType) { |
| return (null != contentType) && |
| (contentType.startsWith("audio/") || contentType.equalsIgnoreCase(AUDIO_OGG)); |
| } |
| |
| public static boolean isVideoType(final String contentType) { |
| return (null != contentType) && contentType.startsWith("video/"); |
| } |
| |
| public static boolean isVCardType(final String contentType) { |
| return (null != contentType) && contentType.equalsIgnoreCase(TEXT_VCARD); |
| } |
| |
| public static boolean isDrmType(final String contentType) { |
| return (null != contentType) |
| && (contentType.equals(APP_DRM_CONTENT) |
| || contentType.equals(APP_DRM_MESSAGE)); |
| } |
| |
| public static boolean isUnspecified(final String contentType) { |
| return (null != contentType) && contentType.endsWith("*"); |
| } |
| |
| /** |
| * If the content type is a type which can be displayed in the conversation list as a preview. |
| */ |
| public static boolean isConversationListPreviewableType(final String contentType) { |
| return ContentType.isAudioType(contentType) || ContentType.isVideoType(contentType) || |
| ContentType.isImageType(contentType) || ContentType.isVCardType(contentType); |
| } |
| |
| /** |
| * Given a filename, look at the extension and try and determine the mime type. |
| * |
| * @param fileName a filename to determine the type from, such as img1231.jpg |
| * @param contentTypeDefault type to use when the content type can't be determined from the file |
| * extension. It can be null or a type such as ContentType.IMAGE_UNSPECIFIED |
| * @return Content type of the extension. |
| */ |
| public static String getContentTypeFromExtension(final String fileName, |
| final String contentTypeDefault) { |
| final MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton(); |
| final String extension = MimeTypeMap.getFileExtensionFromUrl(fileName); |
| String contentType = mimeTypeMap.getMimeTypeFromExtension(extension); |
| if (contentType == null) { |
| contentType = contentTypeDefault; |
| } |
| return contentType; |
| } |
| |
| /** |
| * Get the common file extension for a given content type |
| * @param contentType The content type |
| * @return The extension without the . |
| */ |
| public static String getExtension(final String contentType) { |
| if (VIDEO_MP4.equals(contentType)) { |
| return VIDEO_MP4_EXTENSION; |
| } else if (VIDEO_3GPP.equals(contentType)) { |
| return THREE_GPP_EXTENSION; |
| } else { |
| return DEFAULT_EXTENSION; |
| } |
| } |
| } |