55 lines
1.5 KiB
Java
55 lines
1.5 KiB
Java
package com.uiui.os.utils;
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import android.text.TextUtils;
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import java.util.HashSet;
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public class FileUtil {
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public static String getFileType(String url) {
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if (url.indexOf("/") == -1) {
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return url.substring(url.indexOf("."), url.length());
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} else {
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String fileName = url.substring(url.lastIndexOf("/"));
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return fileName.substring(fileName.indexOf("."), fileName.length());
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}
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}
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private static HashSet<String> videoFormat = new HashSet<String>() {{
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this.add(".mp4");
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this.add(".avi");
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this.add(".nkv");
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this.add(".flv");
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}};
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private static HashSet<String> pictureFormat = new HashSet<String>() {{
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this.add(".png");
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this.add(".jpg");
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this.add(".jpeg");
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this.add(".bmp");
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}};
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public static boolean isVideoFile(String fileName) {
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if (TextUtils.isEmpty(fileName)) {
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return false;
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} else {
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if (!fileName.startsWith(".")) {
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return videoFormat.contains(getFileType(fileName));
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} else {
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return videoFormat.contains(fileName);
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}
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}
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}
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public static boolean isPictureFile(String fileName) {
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if (TextUtils.isEmpty(fileName)) {
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return false;
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} else {
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if (!fileName.startsWith(".")) {
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return pictureFormat.contains(getFileType(fileName));
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} else {
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return pictureFormat.contains(fileName);
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}
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}
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}
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}
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