Package org.springframework.web.servlet.resource

Class ContentVersionStrategy

java.lang.Object

org.springframework.web.servlet.resource.AbstractVersionStrategy

org.springframework.web.servlet.resource.ContentVersionStrategy

All Implemented Interfaces:

VersionPathStrategy, VersionStrategy

public class ContentVersionStrategy
extends AbstractVersionStrategy

A VersionStrategy that calculates a Hex MD5 hash from the content of the resource and appends it to the file name, for example, "styles/main-e36d2e05253c6c7085a91522ce43a0b4.css".

Since:

4.1

Author:

Brian Clozel, Rossen Stoyanchev

See Also:

• VersionResourceResolver

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.web.servlet.resource.AbstractVersionStrategy

AbstractVersionStrategy.FileNameVersionPathStrategy, AbstractVersionStrategy.PrefixVersionPathStrategy

Field Summary

Fields inherited from class org.springframework.web.servlet.resource.AbstractVersionStrategy

logger

Constructor Summary

Constructors

Constructor	Description
ContentVersionStrategy()

Method Summary

Modifier and Type	Method	Description
String	getResourceVersion(Resource resource)	Determine the version for the given resource.

Methods inherited from class org.springframework.web.servlet.resource.AbstractVersionStrategy

addVersion, extractVersion, getVersionPathStrategy, removeVersion

Methods inherited from class java.lang.Object

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

Constructor Details

ContentVersionStrategy

public ContentVersionStrategy()

Method Details

getResourceVersion

public String getResourceVersion(Resource resource)

Description copied from interface: VersionStrategy

Determine the version for the given resource.

Parameters:

resource - the resource to check

Returns:

the version (never null)