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@ -1,5 +1,6 @@ |
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package com.xunlei.downloadlib; |
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import java.text.DecimalFormat; |
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import java.util.Arrays; |
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import java.util.List; |
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@ -7,9 +8,16 @@ public class Util { |
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private static final List<String> VIDEO = Arrays.asList("avi", "flv", "mkv", "mov", "mp4", "mpeg", "mpe", "mpg", "wmv"); |
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private static final List<String> AUDIO = Arrays.asList("aac", "ape", "flac", "mp3", "m4a", "ogg"); |
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private static final String[] UNITS = new String[]{"bytes", "KB", "MB", "GB", "TB"}; |
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private static final long MINIMAL = 30 * 1024 * 1024; |
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public static boolean isMedia(String ext, long size) { |
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return (VIDEO.contains(ext) || AUDIO.contains(ext)) && size > MINIMAL; |
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} |
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public static String size(long size) { |
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if (size <= 0) return ""; |
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int group = (int) (Math.log10(size) / Math.log10(1024)); |
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return "[" + new DecimalFormat("###0.#").format(size / Math.pow(1024, group)) + " " + UNITS[group] + "] "; |
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} |
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} |
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