jetbrick.io.resource

Class ServletResource

java.lang.Object

jetbrick.io.resource.AbstractResource

jetbrick.io.resource.ServletResource

All Implemented Interfaces:

Resource

public final class ServletResource
extends AbstractResource

Field Summary

Fields inherited from interface jetbrick.io.resource.Resource

URL_PREFIX_CLASSPATH, URL_PREFIX_FILE, URL_PREFIX_JAR, URL_PREFIX_ZIP, URL_PROTOCOL_FILE, URL_PROTOCOL_JAR, URL_PROTOCOL_VFS, URL_PROTOCOL_ZIP, URL_SEPARATOR_JAR

Constructor Summary

Constructors

Constructor and Description
ServletResource(javax.servlet.ServletContext sc, String path)

Method Summary

Modifier and Type	Method and Description
boolean	exist() 是否存在
File	getFile() 文件对象.
URL	getURL() URL 对象.
boolean	isDirectory() 是否是一个目录
boolean	isFile() 是否是一个文件
long	lastModified() 最后修改时间.
long	length() 文件大小 (byte 长度).
InputStream	openStream() 打开文件输入流.
String	toString()

Methods inherited from class jetbrick.io.resource.AbstractResource

getFileName, getPath, getRelativePathName, getURI, setPath, setRelativePathName, toByteArray, toCharArray, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ServletResource

public ServletResource(javax.servlet.ServletContext sc,
                       String path)

Method Detail

openStream

public InputStream openStream()
                       throws ResourceNotFoundException

Description copied from interface: Resource

打开文件输入流.

Throws:

ResourceNotFoundException

getFile

public File getFile()
             throws ResourceNotFoundException

Description copied from interface: Resource

文件对象.

Specified by:

getFile in interface Resource

Overrides:

getFile in class AbstractResource

Throws:

ResourceNotFoundException

getURL

public URL getURL()

Description copied from interface: Resource

URL 对象.

Specified by:

getURL in interface Resource

Overrides:

getURL in class AbstractResource

exist

public boolean exist()

Description copied from interface: Resource

是否存在

Specified by:

exist in interface Resource

Overrides:

exist in class AbstractResource

isDirectory

public boolean isDirectory()

Description copied from interface: Resource

是否是一个目录

Specified by:

isDirectory in interface Resource

Overrides:

isDirectory in class AbstractResource

isFile

public boolean isFile()

Description copied from interface: Resource

是否是一个文件

Specified by:

isFile in interface Resource

Overrides:

isFile in class AbstractResource

length

public long length()

Description copied from interface: Resource

文件大小 (byte 长度).

Specified by:

length in interface Resource

Overrides:

length in class AbstractResource

Returns:

如果文件不存在，返回 -1.

lastModified

public long lastModified()

Description copied from interface: Resource

最后修改时间.

Specified by:

lastModified in interface Resource

Overrides:

lastModified in class AbstractResource

Returns:

如果文件不存在，返回 0.

toString

public String toString()

Overrides:

toString in class Object