gu.sql2java.store

Class LocalBinaryStore

java.lang.Object

gu.sql2java.store.BaseURLStore

gu.sql2java.store.LocalBinaryStore

All Implemented Interfaces:

URLStore, java.net.URLStreamHandlerFactory

public class LocalBinaryStore
extends BaseURLStore

二进制数据本地存储实现

Author:

guyadong

Field Summary

Fields

Modifier and Type	Field and Description
static LocalBinaryStore	SINGLETON

Fields inherited from class gu.sql2java.store.BaseURLStore

additionalParams

Method Summary

Modifier and Type	Method and Description
protected java.net.URL	createStoreURL(java.io.File file) 创建iadb存储地址对象(将path中storeRoot路径剥离)
protected boolean	doDelete(java.net.URL storedURL) 指定指定的二进制数据
protected boolean	doExists(java.net.URL storedURL) 判断存储 URl 是否存在
protected java.net.URL	doFind(java.lang.String md5) 查找指定MD5的二进制数据
protected java.net.URLStreamHandler	doGetURLStreamHandler()
protected java.net.URL	doStore(byte[] binary, java.lang.String md5, java.lang.String extension, boolean makeURLOnly) 存储图像数据
boolean	equals(java.lang.Object obj)
java.lang.String	getProtocol() 返回当前存储实现的协议名
int	hashCode()
protected java.io.File	pathOf(java.net.URL storedURL)
protected java.lang.String	relativeFilePath(java.lang.String md5, java.lang.String suffix)
protected java.io.File	relativeFolderPath(java.lang.String md5)
LocalBinaryStore	setStoreRoot(java.io.File storeRoot)
java.lang.String	toString()

Methods inherited from class gu.sql2java.store.BaseURLStore

createURLStreamHandler, delete, delete, exists, find, intall, isStored, setAdditionalParam, store, store

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SINGLETON

public static final LocalBinaryStore SINGLETON

Method Detail

createStoreURL

protected java.net.URL createStoreURL(java.io.File file)

创建iadb存储地址对象(将path中storeRoot路径剥离)

Parameters:

file -

Returns:

iadb存储地址URL

doExists

protected boolean doExists(java.net.URL storedURL)

Description copied from class: BaseURLStore

判断存储 URl 是否存在

Specified by:

doExists in class BaseURLStore

Parameters:

storedURL - 存储URL

doFind

protected java.net.URL doFind(java.lang.String md5)

Description copied from class: BaseURLStore

查找指定MD5的二进制数据

Specified by:

doFind in class BaseURLStore

Parameters:

md5 - MD5校验码

Returns:

数据存储URL,找不到返回null

pathOf

protected java.io.File pathOf(java.net.URL storedURL)

doStore

protected java.net.URL doStore(byte[] binary,
                               java.lang.String md5,
                               java.lang.String extension,
                               boolean makeURLOnly)
                        throws java.io.IOException

Description copied from class: BaseURLStore

存储图像数据

Specified by:

doStore in class BaseURLStore

Parameters:

binary - 二进制数据字节数组

md5 - imageBytes的MD5校验码

extension - 文件后缀,可为null

makeURLOnly - 为true时不存储数据只返回存储URL

Returns:

存储URL

Throws:

java.io.IOException

doDelete

protected boolean doDelete(java.net.URL storedURL)
                    throws java.io.IOException

Description copied from class: BaseURLStore

指定指定的二进制数据

Specified by:

doDelete in class BaseURLStore

Parameters:

storedURL - 存储的URL

Returns:

删除成功返回true,否则返回false

Throws:

java.io.IOException

getProtocol

public final java.lang.String getProtocol()

Description copied from interface: URLStore

返回当前存储实现的协议名

setStoreRoot

public LocalBinaryStore setStoreRoot(java.io.File storeRoot)

relativeFilePath

protected java.lang.String relativeFilePath(java.lang.String md5,
                                            java.lang.String suffix)

relativeFolderPath

protected java.io.File relativeFolderPath(java.lang.String md5)

doGetURLStreamHandler

protected java.net.URLStreamHandler doGetURLStreamHandler()

Specified by:

doGetURLStreamHandler in class BaseURLStore

hashCode

public int hashCode()

Overrides:

hashCode in class BaseURLStore

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class BaseURLStore

toString

public java.lang.String toString()

Overrides:

toString in class BaseURLStore