private FileInputStream read(String fileCacheKey) {
if (!mDiskCacheReady) {
initDiskCache();
}
synchronized (mDiskCacheLock) {
while (mDiskCacheStarting) {
try {
if (DEBUG) {
Log.d(TAG, "read wait " + this);
}
mDiskCacheLock.wait();
} catch (InterruptedException e) {
}
}
if (mDiskLruCache != null) {
InputStream inputStream = null;
DiskLruCache.Snapshot snapshot = null;
try {
snapshot = mDiskLruCache.get(fileCacheKey);
} catch (final IOException e) {
Log.e(TAG, "getBitmapFromDiskCache - " + e);
}
if (snapshot == null) {
return null;
} else {
inputStream = snapshot.getInputStream(DISK_CACHE_INDEX);
return (FileInputStream) inputStream;
}
}
return null;
}
}
/**
* Adds a bitmap to both memory and disk cache
*
* @param key Unique identifier for the bitmap to store
* @param bitmap The bitmap to store
*/
public void write(String key, Bitmap bitmap) {
if (key == null || bitmap == null) {
return;
}
synchronized (mDiskCacheLock) {
// Add to disk cache
if (mDiskLruCache != null) {
OutputStream out = null;
try {
DiskLruCache.Snapshot snapshot = mDiskLruCache.get(key);
if (snapshot == null) {
final DiskLruCache.Editor editor = mDiskLruCache.edit(key);
if (editor != null) {
out = editor.newOutputStream(DISK_CACHE_INDEX);
bitmap.compress(DEFAULT_COMPRESS_FORMAT, DEFAULT_COMPRESS_QUALITY, out);
editor.commit();
out.close();
}
}
} catch (final IOException e) {
Log.e(TAG, "addBitmapToCache - " + e);
} catch (Exception e) {
Log.e(TAG, "addBitmapToCache - " + e);
} finally {
try {
if (out != null) {
out.close();
}
} catch (IOException e) {
}
}
}
}
}