BaseDiskCache (lib

java.lang.Object
- com.nostra13.universalimageloader.cache.disc.impl.BaseDiskCache

所有已实现的接口:

DiskCache

直接已知子类:

LimitedAgeDiskCache, UnlimitedDiskCache
```
public abstract class BaseDiskCache
extends Object
implements DiskCache
```
Base disk cache.

从以下版本开始:

1.0.0

另请参阅:

FileNameGenerator

字段概要

字段
限定符和类型	字段和说明
`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`

构造器概要

构造器
构造器和说明
`BaseDiskCache(File cacheDir)`
`BaseDiskCache(File cacheDir, File reserveCacheDir)`
`BaseDiskCache(File cacheDir, File reserveCacheDir, FileNameGenerator fileNameGenerator)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`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)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - DEFAULT_BUFFER_SIZE
```
public static final int DEFAULT_BUFFER_SIZE
```
    {@value
    
    另请参阅:
    
    常量字段值
  - DEFAULT_COMPRESS_FORMAT
```
public static final android.graphics.Bitmap.CompressFormat DEFAULT_COMPRESS_FORMAT
```
    {@value
  - DEFAULT_COMPRESS_QUALITY
```
public static final int DEFAULT_COMPRESS_QUALITY
```
    {@value
    
    另请参阅:
    
    常量字段值
  - cacheDir
```
protected final File cacheDir
```
  - reserveCacheDir
```
protected final File reserveCacheDir
```
  - fileNameGenerator
```
protected final FileNameGenerator fileNameGenerator
```
  - bufferSize
```
protected int bufferSize
```
  - compressFormat
```
protected android.graphics.Bitmap.CompressFormat compressFormat
```
  - compressQuality
```
protected int compressQuality
```
- 构造器详细资料
  - BaseDiskCache
```
public BaseDiskCache(File cacheDir)
```
    参数:
    
    cacheDir - Directory for file caching
  - BaseDiskCache
```
public BaseDiskCache(File cacheDir,
                     File reserveCacheDir)
```
    参数:
    
    cacheDir - Directory for file caching
    
    reserveCacheDir - null-ok; Reserve directory for file caching. It's used when the primary directory isn't available.
  - BaseDiskCache
```
public BaseDiskCache(File cacheDir,
                     File reserveCacheDir,
                     FileNameGenerator fileNameGenerator)
```
    参数:
    
    cacheDir - Directory for file caching
    
    reserveCacheDir - null-ok; Reserve directory for file caching. It's used when the primary directory isn't available.
    
    fileNameGenerator - Name generator for cached files
- 方法详细资料
  - getDirectory
```
public File getDirectory()
```
    从接口复制的说明: DiskCache
    
    Returns root directory of disk cache
    
    指定者:
    
    getDirectory 在接口中 DiskCache
    
    返回:
    
    Root directory of disk cache
  - get
```
public File get(String imageUri)
```
    从接口复制的说明: DiskCache
    
    Returns file of cached image
    
    指定者:
    
    get 在接口中 DiskCache
    
    参数:
    
    imageUri - Original image URI
    
    返回:
    
    File of cached image or null if image wasn't cached
  - save
```
public boolean save(String imageUri,
                    InputStream imageStream,
                    IoUtils.CopyListener listener)
             throws IOException
```
    从接口复制的说明: DiskCache
    
    Saves image stream in disk cache. Incoming image stream shouldn't be closed in this method.
    
    指定者:
    
    save 在接口中 DiskCache
    
    参数:
    
    imageUri - Original image URI
    
    imageStream - 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 calls
    
    返回:
    
    true - if image was saved successfully; false - if image wasn't saved in disk cache.
    
    抛出:
    
    IOException
  - save
```
public boolean save(String imageUri,
                    android.graphics.Bitmap bitmap)
             throws IOException
```
    从接口复制的说明: DiskCache
    
    Saves image bitmap in disk cache.
    
    指定者:
    
    save 在接口中 DiskCache
    
    参数:
    
    imageUri - Original image URI
    
    bitmap - Image bitmap
    
    返回:
    
    true - if bitmap was saved successfully; false - if bitmap wasn't saved in disk cache.
    
    抛出:
    
    IOException
  - remove
```
public boolean remove(String imageUri)
```
    从接口复制的说明: DiskCache
    
    Removes image file associated with incoming URI
    
    指定者:
    
    remove 在接口中 DiskCache
    
    参数:
    
    imageUri - Image URI
    
    返回:
    
    true - if image file is deleted successfully; false - if image file doesn't exist for incoming URI or image file can't be deleted.
  - close
```
public void close()
```
    从接口复制的说明: DiskCache
    
    Closes disk cache, releases resources.
    
    指定者:
    
    close 在接口中 DiskCache
  - clear
```
public void clear()
```
    从接口复制的说明: DiskCache
    
    Clears disk cache.
    
    指定者:
    
    clear 在接口中 DiskCache
  - getFile
```
protected File getFile(String imageUri)
```
    Returns file object (not null) for incoming image URI. File object can reference to non-existing file.
  - setBufferSize
```
public void setBufferSize(int bufferSize)
```
  - setCompressFormat
```
public void setCompressFormat(android.graphics.Bitmap.CompressFormat compressFormat)
```
  - setCompressQuality
```
public void setCompressQuality(int compressQuality)
```

类 BaseDiskCache

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

DEFAULT_BUFFER_SIZE

DEFAULT_COMPRESS_FORMAT

DEFAULT_COMPRESS_QUALITY

cacheDir

reserveCacheDir

fileNameGenerator

bufferSize

compressFormat

compressQuality

构造器详细资料

BaseDiskCache

BaseDiskCache

BaseDiskCache

方法详细资料

getDirectory

get

save

save

remove

close

clear

getFile

setBufferSize

setCompressFormat

setCompressQuality