cn.hutool.core.io.resource

Class UrlResource

java.lang.Object

cn.hutool.core.io.resource.UrlResource

All Implemented Interfaces:

Resource, Serializable

Direct Known Subclasses:

ClassPathResource

public class UrlResource
extends Object
implements Resource, Serializable

URL资源访问类

Author:

Looly

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	name
protected URL	url

Constructor Summary

Constructors

Constructor and Description
UrlResource(File file) Deprecated. Please use FileResource
UrlResource(URI uri) 构造
UrlResource(URL url) 构造
UrlResource(URL url, String name) 构造

Method Summary

Modifier and Type	Method and Description
File	getFile() 获得File
String	getName() 获取资源名，例如文件资源的资源名为文件名
InputStream	getStream() 获得 InputStream
URL	getUrl() 获得解析后的URL，无对应URL的返回null
boolean	isModified() 检查资源是否变更 一般用于文件类资源，检查文件是否被修改过。
long	size() 获取资源长度
String	toString() 返回路径

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface cn.hutool.core.io.resource.Resource

getReader, readBytes, readStr, readUtf8Str, writeTo

Field Detail

url

protected URL url

name

protected String name

Constructor Detail

UrlResource

public UrlResource(URI uri)

构造

Parameters:

uri - URI

Since:

5.7.21

UrlResource

public UrlResource(URL url)

构造

Parameters:

url - URL

UrlResource

public UrlResource(URL url,
                   String name)

构造

Parameters:

url - URL，允许为空

name - 资源名称

UrlResource

@Deprecated
public UrlResource(File file)

Deprecated. Please use FileResource

构造

Parameters:

file - 文件路径

Method Detail

getName

public String getName()

Description copied from interface: Resource

获取资源名，例如文件资源的资源名为文件名

Specified by:

getName in interface Resource

Returns:

资源名

getUrl

public URL getUrl()

Description copied from interface: Resource

获得解析后的URL，无对应URL的返回null

Specified by:

getUrl in interface Resource

Returns:

解析后的URL

getStream

public InputStream getStream()
                      throws NoResourceException

Description copied from interface: Resource

获得 InputStream

Specified by:

getStream in interface Resource

Returns:

InputStream

Throws:

NoResourceException

isModified

public boolean isModified()

Description copied from interface: Resource

检查资源是否变更
一般用于文件类资源，检查文件是否被修改过。

Specified by:

isModified in interface Resource

Returns:

是否变更

getFile

public File getFile()

获得File

Returns:

File

toString

public String toString()

返回路径

Overrides:

toString in class Object

Returns:

返回URL路径

size

public long size()

获取资源长度

Returns:

资源长度

Since:

5.8.21