org.springframework.web.servlet.resource

Class TransformedResource

java.lang.Object

org.springframework.core.io.AbstractResource

org.springframework.core.io.ByteArrayResource

org.springframework.web.servlet.resource.TransformedResource

All Implemented Interfaces:

InputStreamSource, Resource

public class TransformedResource
extends ByteArrayResource

An extension of ByteArrayResource that a ResourceTransformer can use to represent an original resource preserving all other information except the content.

Since:

4.1

Author:

Jeremy Grelle, Rossen Stoyanchev

Constructor Summary

Constructors

Constructor and Description
TransformedResource(Resource original, byte[] transformedContent)

Method Summary

Modifier and Type	Method and Description
String	getFilename() This implementation always returns null, assuming that this resource type does not have a filename.
long	lastModified() This implementation checks the timestamp of the underlying File, if available.

Methods inherited from class org.springframework.core.io.ByteArrayResource

contentLength, equals, exists, getByteArray, getDescription, getInputStream, hashCode

Methods inherited from class org.springframework.core.io.AbstractResource

createRelative, getFile, getFileForLastModifiedCheck, getURI, getURL, isFile, isOpen, isReadable, readableChannel, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TransformedResource

public TransformedResource(Resource original,
                           byte[] transformedContent)

Method Detail

getFilename

@Nullable
public String getFilename()

Description copied from class: AbstractResource

This implementation always returns null, assuming that this resource type does not have a filename.

Specified by:

getFilename in interface Resource

Overrides:

getFilename in class AbstractResource

lastModified

public long lastModified()
                  throws IOException

Description copied from class: AbstractResource

This implementation checks the timestamp of the underlying File, if available.

Specified by:

lastModified in interface Resource

Overrides:

lastModified in class AbstractResource

Throws:

IOException - if the resource cannot be resolved (in the file system or as some other known physical resource type)

See Also:

AbstractResource.getFileForLastModifiedCheck()