程序包 cn.taketoday.web.resource

类 EncodedResourceResolver

java.lang.Object

cn.taketoday.web.resource.AbstractResourceResolver

cn.taketoday.web.resource.EncodedResourceResolver

所有已实现的接口:

ResourceResolver

public class EncodedResourceResolver
extends AbstractResourceResolver

Resolver that delegates to the chain, and if a resource is found, it then attempts to find an encoded (e.g. gzip, brotli) variant that is acceptable based on the "Accept-Encoding" request header.

The list of supported contentCodings can be configured, in order of preference, and each coding must be associated with extensions.

Note that this resolver must be ordered ahead of a VersionResourceResolver with a content-based, version strategy to ensure the version calculation is not impacted by the encoding.

作者:

Rossen Stoyanchev

嵌套类概要

嵌套类

修饰符和类型	类	说明
(专用程序包) static final class	EncodedResourceResolver.EncodedResource	An encoded HttpResource.

字段概要

字段

修饰符和类型	字段	说明
private final ArrayList<String>	contentCodings
static final List<String>	DEFAULT_CODINGS	The default content codings.
private final LinkedHashMap<String,String>	extensions

从类继承的字段 cn.taketoday.web.resource.AbstractResourceResolver

logger

构造器概要

构造器

构造器	说明
EncodedResourceResolver()

方法概要

修饰符和类型	方法	说明
private String	getAcceptEncoding(RequestContext request)
List<String>	getContentCodings()	Return a read-only list with the supported content codings.
private String	getExtension(String coding)
Map<String,String>	getExtensions()	Return a read-only map with coding-to-extension mappings.
void	registerExtension(String coding, String extension)	Java config friendly alternative to setExtensions(Map).
protected cn.taketoday.core.io.Resource	resolveResourceInternal(RequestContext request, String requestPath, List<? extends cn.taketoday.core.io.Resource> locations, ResourceResolvingChain chain)
protected String	resolveUrlPathInternal(String resourceUrlPath, List<? extends cn.taketoday.core.io.Resource> locations, ResourceResolvingChain chain)
void	setContentCodings(List<String> codings)	Configure the supported content codings in order of preference.
void	setExtensions(Map<String,String> extensions)	Configure mappings from content codings to file extensions.

从类继承的方法 cn.taketoday.web.resource.AbstractResourceResolver

resolveResource, resolveUrlPath

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_CODINGS

public static final List<String> DEFAULT_CODINGS

The default content codings.

contentCodings

private final ArrayList<String> contentCodings

extensions

private final LinkedHashMap<String,String> extensions

构造器详细资料

EncodedResourceResolver

public EncodedResourceResolver()

方法详细资料

setContentCodings

public void setContentCodings(List<String> codings)

Configure the supported content codings in order of preference. The first coding that is present in the "Accept-Encoding" header for a given request, and that has a file present with the associated extension, is used.

Note: Each coding must be associated with a file extension via registerExtension(java.lang.String, java.lang.String) or setExtensions(java.util.Map<java.lang.String, java.lang.String>). Also customizations to the list of codings here should be matched by customizations to the same list in CachingResourceResolver to ensure encoded variants of a resource are cached under separate keys.

By default this property is set to ["br", "gzip"].

参数:

codings - one or more supported content codings

getContentCodings

public List<String> getContentCodings()

Return a read-only list with the supported content codings.

setExtensions

public void setExtensions(Map<String,String> extensions)

Configure mappings from content codings to file extensions. A dot "." will be prepended in front of the extension value if not present.

By default this is configured with ["br" -> ".br"] and ["gzip" -> ".gz"].

参数:

extensions - the extensions to use.

另请参阅:

• registerExtension(String, String)

getExtensions

public Map<String,String> getExtensions()

Return a read-only map with coding-to-extension mappings.

registerExtension

public void registerExtension(String coding,
 String extension)

Java config friendly alternative to setExtensions(Map).

参数:

coding - the content coding

extension - the associated file extension

resolveResourceInternal

protected cn.taketoday.core.io.Resource resolveResourceInternal(@Nullable
 RequestContext request,
 String requestPath,
 List<? extends cn.taketoday.core.io.Resource> locations,
 ResourceResolvingChain chain)

指定者:

resolveResourceInternal 在类中 AbstractResourceResolver

getAcceptEncoding

@Nullable
private String getAcceptEncoding(RequestContext request)

getExtension

private String getExtension(String coding)

resolveUrlPathInternal

protected String resolveUrlPathInternal(String resourceUrlPath,
 List<? extends cn.taketoday.core.io.Resource> locations,
 ResourceResolvingChain chain)

指定者:

resolveUrlPathInternal 在类中 AbstractResourceResolver