WaveFileReader.java 文件源码

/**
 * Obtains the audio file format of the File provided.  The File must
 * point to valid audio file data.
 * @param file the File from which file format information should be
 * extracted
 * @return an <code>AudioFileFormat</code> object describing the audio file format
 * @throws UnsupportedAudioFileException if the File does not point to valid audio
 * file data recognized by the system
 * @throws IOException if an I/O exception occurs
 */
public AudioFileFormat getAudioFileFormat(File file) throws UnsupportedAudioFileException, IOException {
    AudioFileFormat fileFormat = null;
    FileInputStream fis = new FileInputStream(file);       // throws IOException
    // part of fix for 4325421
    try {
        fileFormat = getFMT(fis, false);
    } finally {
        fis.close();
    }

    return fileFormat;
}