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126 lines
3.6 KiB
126 lines
3.6 KiB
/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.util;
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import java.io.*;
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import java.util.*;
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/**
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* Defines the different permit extension file.
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*
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* @author Alexandre Maillard
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* @author Dmitri Melnikov
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* @author Vincent Lucas
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*/
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public class SoundFileUtils
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{
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/**
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* Different extension of a sound file
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*/
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public final static String wav = "wav";
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public final static String mid = "midi";
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public final static String mp2 = "mp2";
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public final static String mp3 = "mp3";
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public final static String mod = "mod";
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public final static String ram = "ram";
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public final static String wma = "wma";
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public final static String ogg = "ogg";
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public final static String gsm = "gsm";
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public final static String aif = "aiff";
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public final static String au = "au";
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/**
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* The file extension and the format of call recording to be used by
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* default.
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*/
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public static final String DEFAULT_CALL_RECORDING_FORMAT = mp3;
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/**
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* Checks whether this file is a sound file.
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*
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* @param f <tt>File</tt> to check
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* @return <tt>true</tt> if it's a sound file, <tt>false</tt> otherwise
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*/
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public static boolean isSoundFile(File f)
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{
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String ext = getExtension(f);
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if (ext != null)
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{
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return
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ext.equals(wma)
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|| ext.equals(wav)
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|| ext.equals(ram)
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|| ext.equals(ogg)
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|| ext.equals(mp3)
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|| ext.equals(mp2)
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|| ext.equals(mod)
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|| ext.equals(mid)
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|| ext.equals(gsm)
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|| ext.equals(au);
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}
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return false;
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}
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/**
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* Checks whether this file is a sound file.
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*
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* @param f <tt>File</tt> to check
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* @param soundFormats The sound formats to restrict the file name
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* extension. If soundFormats is null, then every sound format defined by
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* SoundFileUtils is correct.
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*
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* @return <tt>true</tt> if it's a sound file conforming to the format given
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* in parameters (if soundFormats is null, then every sound format defined
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* by SoundFileUtils is correct), <tt>false</tt> otherwise.
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*/
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public static boolean isSoundFile(File f, String[] soundFormats)
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{
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// If there is no specific filters, then compare the file to all sound
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// extension available.
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if(soundFormats == null)
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{
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return SoundFileUtils.isSoundFile(f);
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}
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// Compare the file extension to the sound formats provided in
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// parameter.
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else
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{
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String ext = getExtension(f);
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// If the file has an extension
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if (ext != null)
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{
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return (Arrays.binarySearch(
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soundFormats,
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ext,
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String.CASE_INSENSITIVE_ORDER) != -1);
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}
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}
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return false;
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}
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/**
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* Gets the file extension.
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* TODO: There are at least 2 other methods like this scattered around
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* the SC code, we should move them all to util package.
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*
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* @param f which wants the extension
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* @return Return the extension as a String
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*/
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public static String getExtension(File f)
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{
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String s = f.getName();
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int i = s.lastIndexOf('.');
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String ext = null;
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if ((i > 0) && (i < s.length() - 1))
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ext = s.substring(i+1).toLowerCase();
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return ext;
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}
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}
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