public void clearDiskCache(String uri) { synchronized (mDiskCacheLock) { if (mDiskLruCache != null && !mDiskLruCache.isClosed()) { try { mDiskLruCache.remove(uri); } catch (Throwable e) { LogUtils.e(e.getMessage(), e); } } } }
public Bitmap downloadBitmap( String uri, BitmapDisplayConfig config, final BitmapUtils.BitmapLoadTask<?> task) { BitmapMeta bitmapMeta = new BitmapMeta(); OutputStream outputStream = null; LruDiskCache.Snapshot snapshot = null; try { Bitmap bitmap = null; // try download to disk if (globalConfig.isDiskCacheEnabled()) { synchronized (mDiskCacheLock) { // Wait for disk cache to initialize while (!isDiskCacheReadied) { try { mDiskCacheLock.wait(); } catch (Throwable e) { } } } if (mDiskLruCache != null) { try { snapshot = mDiskLruCache.get(uri); if (snapshot == null) { LruDiskCache.Editor editor = mDiskLruCache.edit(uri); if (editor != null) { outputStream = editor.newOutputStream(DISK_CACHE_INDEX); bitmapMeta.expiryTimestamp = globalConfig.getDownloader().downloadToStream(uri, outputStream, task); if (bitmapMeta.expiryTimestamp < 0) { editor.abort(); return null; } else { editor.setEntryExpiryTimestamp(bitmapMeta.expiryTimestamp); editor.commit(); } snapshot = mDiskLruCache.get(uri); } } if (snapshot != null) { bitmapMeta.inputStream = snapshot.getInputStream(DISK_CACHE_INDEX); bitmap = decodeBitmapMeta(bitmapMeta, config); if (bitmap == null) { bitmapMeta.inputStream = null; mDiskLruCache.remove(uri); } } } catch (Throwable e) { LogUtils.e(e.getMessage(), e); } } } // try download to memory stream if (bitmap == null) { outputStream = new ByteArrayOutputStream(); bitmapMeta.expiryTimestamp = globalConfig.getDownloader().downloadToStream(uri, outputStream, task); if (bitmapMeta.expiryTimestamp < 0) { return null; } else { bitmapMeta.data = ((ByteArrayOutputStream) outputStream).toByteArray(); bitmap = decodeBitmapMeta(bitmapMeta, config); } } if (bitmap != null) { bitmap = rotateBitmapIfNeeded(uri, config, bitmap); if (config != null && config.getImageFactory() != null) { bitmap = config.getImageFactory().createBitmap(bitmap); } addBitmapToMemoryCache(uri, config, bitmap, bitmapMeta.expiryTimestamp); } return bitmap; } catch (Throwable e) { LogUtils.e(e.getMessage(), e); } finally { IOUtils.closeQuietly(outputStream); IOUtils.closeQuietly(snapshot); } return null; }