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23 lines
922 B
23 lines
922 B
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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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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