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The source code is released under:
Apache License
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/******************************************************************************* * Copyright 2011-2014 Sergey Tarasevich */*ww w .j a v a 2 s . co m*/ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ package com.nostra13.universalimageloader.utils; import com.nostra13.universalimageloader.cache.disc.DiskCache; import java.io.File; /** * Utility for convenient work with disk cache.<br /> * <b>NOTE:</b> This utility works with file system so avoid using it on application main thread. * * @author Sergey Tarasevich (nostra13[at]gmail[dot]com) * @since 1.8.0 */ public final class DiskCacheUtils { private DiskCacheUtils() { } /** Returns {@link File} of cached image or <b>null</b> if image was not cached in disk cache */ public static File findInCache(String imageUri, DiskCache diskCache) { File image = diskCache.get(imageUri); return image != null && image.exists() ? image : null; } /** * Removed cached image file from disk cache (if image was cached in disk cache before) * * @return <b>true</b> - if cached image file existed and was deleted; <b>false</b> - otherwise. */ public static boolean removeFromCache(String imageUri, DiskCache diskCache) { File image = diskCache.get(imageUri); return image != null && image.exists() && image.delete(); } }