cn.leancloud.cache

类 PersistenceUtil

java.lang.Object

cn.leancloud.cache.PersistenceUtil

public class PersistenceUtil
extends Object

字段概要

字段

限定符和类型	字段和说明
static int	MAX_FILE_BUF_SIZE

方法概要

限定符和类型	方法和说明
void	clearDir(String dirPath, long lastModified)
boolean	deleteFile(File localFile)
boolean	deleteFile(String localPath)
boolean	forceDeleteFile(File localFile)
static InputStream	getInputStreamFromFile(File fileForRead)
ReentrantReadWriteLock	getLock(String path)
static FileOutputStream	getOutputStreamForFile(File fileForWrite, boolean append)
static List<File>	listFiles(String dirPath)
byte[]	readContentBytesFromFile(File fileForRead)
String	readContentFromFile(File fileForRead)
void	removeLock(String path)
boolean	saveContentToFile(byte[] content, File fileForSave)
boolean	saveContentToFile(String content, File fileForSave)
boolean	saveFileToLocal(String localPath, File inputFile)
static PersistenceUtil	sharedInstance()

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

MAX_FILE_BUF_SIZE

public static final int MAX_FILE_BUF_SIZE

另请参阅:

常量字段值

方法详细资料

sharedInstance

public static PersistenceUtil sharedInstance()

getLock

public ReentrantReadWriteLock getLock(String path)

removeLock

public void removeLock(String path)

saveContentToFile

public boolean saveContentToFile(String content,
                                 File fileForSave)

saveContentToFile

public boolean saveContentToFile(byte[] content,
                                 File fileForSave)

readContentFromFile

public String readContentFromFile(File fileForRead)

readContentBytesFromFile

public byte[] readContentBytesFromFile(File fileForRead)

deleteFile

public boolean deleteFile(String localPath)

forceDeleteFile

public boolean forceDeleteFile(File localFile)

deleteFile

public boolean deleteFile(File localFile)

saveFileToLocal

public boolean saveFileToLocal(String localPath,
                               File inputFile)

getOutputStreamForFile

public static FileOutputStream getOutputStreamForFile(File fileForWrite,
                                                      boolean append)
                                               throws IOException

抛出:

IOException

getInputStreamFromFile

public static InputStream getInputStreamFromFile(File fileForRead)
                                          throws IOException

抛出:

IOException

listFiles

public static List<File> listFiles(String dirPath)

clearDir

public void clearDir(String dirPath,
                     long lastModified)