com.drew.imaging.FileType Java Examples
The following examples show how to use
com.drew.imaging.FileType.
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Example #1
Source File: RiffTypeChecker.java From metadata-extractor with Apache License 2.0 | 6 votes |
@Override public FileType checkType(byte[] bytes) { String firstFour = new String(bytes, 0, 4); if (!firstFour.equals("RIFF")) return FileType.Unknown; String fourCC = new String(bytes, 8, 4); if (fourCC.equals("WAVE")) return FileType.Wav; if (fourCC.equals("AVI ")) return FileType.Avi; if (fourCC.equals("WEBP")) return FileType.WebP; return FileType.Riff; }
Example #2
Source File: MpegAudioTypeChecker.java From metadata-extractor with Apache License 2.0 | 6 votes |
@Override public FileType checkType(byte[] bytes) { // MPEG audio requires the first 11 bits to be set if (bytes[0] != (byte)0xFF || (bytes[1] & 0xE0) != 0xE0) return FileType.Unknown; // The MPEG Audio version ID value of 01 is reserved int version = (bytes[1] >> 3) & 3; if (version == 1) return FileType.Unknown; // The layer description value of 00 is reserved int layerDescription = (bytes[1] >> 1) & 3; if (layerDescription == 0) return FileType.Unknown; // The bitrate index value of 1111 is disallowed int bitrateIndex = bytes[2] >> 4; if (bitrateIndex == 0x0F) return FileType.Unknown; return FileType.Mp3; }
Example #3
Source File: QuickTimeTypeChecker.java From metadata-extractor with Apache License 2.0 | 5 votes |
@Override public FileType checkType(byte[] bytes) { String eightCC = new String(bytes, 4, 8); // Test at offset 4 for Base Media Format (i.e. QuickTime, MP4, etc...) identifier "ftyp" plus four identifying characters FileType t = _ftypMap.get(eightCC); if (t != null) return t; return FileType.Unknown; }
Example #4
Source File: FileTypeDirectory.java From metadata-extractor with Apache License 2.0 | 5 votes |
public FileTypeDirectory(FileType fileType) { this.setDescriptor(new FileTypeDescriptor(this)); setString(TAG_DETECTED_FILE_TYPE_NAME, fileType.getName()); setString(TAG_DETECTED_FILE_TYPE_LONG_NAME, fileType.getLongName()); if (fileType.getMimeType() != null) setString(TAG_DETECTED_FILE_MIME_TYPE, fileType.getMimeType()); if (fileType.getCommonExtension() != null) setString(TAG_EXPECTED_FILE_NAME_EXTENSION, fileType.getCommonExtension()); }
Example #5
Source File: ProcessAllImagesInFolderUtility.java From metadata-extractor with Apache License 2.0 | 5 votes |
@NotNull private static PrintWriter openWriter(@NotNull File file) throws IOException { // Create the output directory if it doesn't exist File metadataDir = new File(String.format("%s/metadata", file.getParent())); if (!metadataDir.exists()) metadataDir.mkdir(); File javaDir = new File(String.format("%s/metadata/java", file.getParent())); if (!javaDir.exists()) javaDir.mkdir(); String outputPath = String.format("%s/metadata/java/%s.txt", file.getParent(), file.getName()); Writer writer = new OutputStreamWriter( new FileOutputStream(outputPath), "UTF-8" ); writer.write("FILE: " + file.getName() + NEW_LINE); // Detect file type BufferedInputStream stream = null; try { stream = new BufferedInputStream(new FileInputStream(file)); FileType fileType = FileTypeDetector.detectFileType(stream); writer.write(String.format("TYPE: %s" + NEW_LINE, fileType.toString().toUpperCase())); writer.write(NEW_LINE); } finally { if (stream != null) { stream.close(); } } return new PrintWriter(writer); }