public abstract class BaseDiskCache extends Object implements DiskCache
FileNameGenerator
Modifier and Type | Field and Description |
---|---|
protected int |
bufferSize |
protected File |
cacheDir |
protected android.graphics.Bitmap.CompressFormat |
compressFormat |
protected int |
compressQuality |
static int |
DEFAULT_BUFFER_SIZE
{@value
|
static android.graphics.Bitmap.CompressFormat |
DEFAULT_COMPRESS_FORMAT
{@value
|
static int |
DEFAULT_COMPRESS_QUALITY
{@value
|
protected FileNameGenerator |
fileNameGenerator |
protected File |
reserveCacheDir |
Constructor and Description |
---|
BaseDiskCache(File cacheDir) |
BaseDiskCache(File cacheDir,
File reserveCacheDir) |
BaseDiskCache(File cacheDir,
File reserveCacheDir,
FileNameGenerator fileNameGenerator) |
Modifier and Type | Method and Description |
---|---|
void |
clear()
Clears disk cache.
|
void |
close()
Closes disk cache, releases resources.
|
File |
get(String imageUri)
Returns file of cached image
|
File |
getDirectory()
Returns root directory of disk cache
|
protected File |
getFile(String imageUri)
Returns file object (not null) for incoming image URI.
|
boolean |
remove(String imageUri)
Removes image file associated with incoming URI
|
boolean |
save(String imageUri,
android.graphics.Bitmap bitmap)
Saves image bitmap in disk cache.
|
boolean |
save(String imageUri,
InputStream imageStream,
IoUtils.CopyListener listener)
Saves image stream in disk cache.
|
void |
setBufferSize(int bufferSize) |
void |
setCompressFormat(android.graphics.Bitmap.CompressFormat compressFormat) |
void |
setCompressQuality(int compressQuality) |
public static final int DEFAULT_BUFFER_SIZE
public static final android.graphics.Bitmap.CompressFormat DEFAULT_COMPRESS_FORMAT
public static final int DEFAULT_COMPRESS_QUALITY
protected final File cacheDir
protected final File reserveCacheDir
protected final FileNameGenerator fileNameGenerator
protected int bufferSize
protected android.graphics.Bitmap.CompressFormat compressFormat
protected int compressQuality
public BaseDiskCache(File cacheDir)
cacheDir
- Directory for file cachingpublic BaseDiskCache(File cacheDir, File reserveCacheDir)
cacheDir
- Directory for file cachingreserveCacheDir
- null-ok; Reserve directory for file caching. It's used when the primary directory isn't available.public BaseDiskCache(File cacheDir, File reserveCacheDir, FileNameGenerator fileNameGenerator)
cacheDir
- Directory for file cachingreserveCacheDir
- null-ok; Reserve directory for file caching. It's used when the primary directory isn't available.fileNameGenerator
- Name generator for cached filespublic File getDirectory()
DiskCache
getDirectory
in interface DiskCache
public File get(String imageUri)
DiskCache
public boolean save(String imageUri, InputStream imageStream, IoUtils.CopyListener listener) throws IOException
DiskCache
save
in interface DiskCache
imageUri
- Original image URIimageStream
- Input stream of image (shouldn't be closed in this method)listener
- Listener for saving progress, can be ignored if you don't use
progress listener in ImageLoader callsIOException
public boolean save(String imageUri, android.graphics.Bitmap bitmap) throws IOException
DiskCache
save
in interface DiskCache
imageUri
- Original image URIbitmap
- Image bitmapIOException
public boolean remove(String imageUri)
DiskCache
public void close()
DiskCache
public void clear()
DiskCache
protected File getFile(String imageUri)
public void setBufferSize(int bufferSize)
public void setCompressFormat(android.graphics.Bitmap.CompressFormat compressFormat)
public void setCompressQuality(int compressQuality)
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