java.lang.Object
- org.springframework.web.servlet.resource.AbstractVersionStrategy

All Implemented Interfaces:
VersionPathStrategy, VersionStrategy
Direct Known Subclasses:
ContentVersionStrategy, FixedVersionStrategy
```
public abstract class AbstractVersionStrategy
extends Object
implements VersionStrategy
```
Abstract base class for VersionStrategy implementations.
Supports versions as:
- prefix in the request path, like "version/static/myresource.js"
- file name suffix in the request path, like "static/myresource-version.js"
Note: This base class does not provide support for generating the version string.
Since:
4.1
Author:
Brian Clozel, Rossen Stoyanchev

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`protected static class`	`AbstractVersionStrategy.FileNameVersionPathStrategy`	File name-based `VersionPathStrategy`, e.g.
`protected static class`	`AbstractVersionStrategy.PrefixVersionPathStrategy`	A prefix-based `VersionPathStrategy`, e.g.

Field Summary
Fields
Modifier and Type Field Description
protected Log logger

Constructor Summary
Constructors
Modifier Constructor Description
protected AbstractVersionStrategy(VersionPathStrategy pathStrategy)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`addVersion(String requestPath, String version)`	Add a version to the given request path.
`String`	`extractVersion(String requestPath)`	Extract the resource version from the request path.
`VersionPathStrategy`	`getVersionPathStrategy()`
`String`	`removeVersion(String requestPath, String version)`	Remove the version from the request path.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.springframework.web.servlet.resource.VersionStrategy
getResourceVersion

- Field Detail
  - logger
```
protected final Log logger
```
- Constructor Detail
  - AbstractVersionStrategy
```
protected AbstractVersionStrategy(VersionPathStrategy pathStrategy)
```
- Method Detail
  - getVersionPathStrategy
```
public VersionPathStrategy getVersionPathStrategy()
```
  - extractVersion
```
public String extractVersion(String requestPath)
```
    Description copied from interface: VersionPathStrategy
    Extract the resource version from the request path.
    Specified by:
    extractVersion in interface VersionPathStrategy
    Parameters:
    requestPath - the request path to check
    Returns:
    the version string or null if none was found
  - removeVersion
```
public String removeVersion(String requestPath,
                            String version)
```
    Description copied from interface: VersionPathStrategy
    Remove the version from the request path. It is assumed that the given version was extracted via VersionPathStrategy.extractVersion(String).
    Specified by:
    removeVersion in interface VersionPathStrategy
    Parameters:
    requestPath - the request path of the resource being resolved
    version - the version obtained from VersionPathStrategy.extractVersion(String)
    Returns:
    the request path with the version removed
  - addVersion
```
public String addVersion(String requestPath,
                         String version)
```
    Description copied from interface: VersionPathStrategy
    Add a version to the given request path.
    Specified by:
    addVersion in interface VersionPathStrategy
    Parameters:
    requestPath - the requestPath
    version - the version
    Returns:
    the requestPath updated with a version string

Class AbstractVersionStrategy

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface org.springframework.web.servlet.resource.VersionStrategy

Field Detail

logger

Constructor Detail

AbstractVersionStrategy

Method Detail

getVersionPathStrategy

extractVersion

removeVersion

addVersion