org.fujion.servlet

Class ETaggedResource

java.lang.Object

org.fujion.servlet.ETaggedResource

All Implemented Interfaces:

org.springframework.core.io.InputStreamSource, org.springframework.core.io.Resource, org.springframework.web.servlet.resource.HttpResource

public class ETaggedResource
extends Object
implements org.springframework.web.servlet.resource.HttpResource

Wraps a resource that has an associated ETag. See lastModified() for more information.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ETaggedResource.ResourceNotModifiedException

Method Summary

Modifier and Type	Method and Description
long	contentLength()
static org.springframework.core.io.Resource	create(org.springframework.core.io.Resource resource, javax.servlet.http.HttpServletRequest request, String responseETag)
org.springframework.core.io.Resource	createRelative(String relativePath)
boolean	exists()
String	getDescription()
File	getFile()
String	getFilename()
InputStream	getInputStream()
org.springframework.http.HttpHeaders	getResponseHeaders()
URI	getURI()
URL	getURL()
long	lastModified() If this resource's ETag matched the request's ETag, invoking this method will throw a ResourceNotModifiedException.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.core.io.Resource

isFile, isOpen, isReadable, readableChannel

Method Detail

create

public static org.springframework.core.io.Resource create(org.springframework.core.io.Resource resource,
                                                          javax.servlet.http.HttpServletRequest request,
                                                          String responseETag)

exists

public boolean exists()

Specified by:

exists in interface org.springframework.core.io.Resource

getURL

public URL getURL()
           throws IOException

Specified by:

getURL in interface org.springframework.core.io.Resource

Throws:

IOException

getURI

public URI getURI()
           throws IOException

Specified by:

getURI in interface org.springframework.core.io.Resource

Throws:

IOException

getFile

public File getFile()
             throws IOException

Specified by:

getFile in interface org.springframework.core.io.Resource

Throws:

IOException

contentLength

public long contentLength()
                   throws IOException

Specified by:

contentLength in interface org.springframework.core.io.Resource

Throws:

IOException

lastModified

public long lastModified()
                  throws IOException

If this resource's ETag matched the request's ETag, invoking this method will throw a ResourceNotModifiedException. Otherwise, it will return -1 to suppress setting of the Last-Modified header in the response.

Specified by:

lastModified in interface org.springframework.core.io.Resource

Throws:

IOException

createRelative

public org.springframework.core.io.Resource createRelative(String relativePath)
                                                    throws IOException

Specified by:

createRelative in interface org.springframework.core.io.Resource

Throws:

IOException

getFilename

public String getFilename()

Specified by:

getFilename in interface org.springframework.core.io.Resource

getDescription

public String getDescription()

Specified by:

getDescription in interface org.springframework.core.io.Resource

getInputStream

public InputStream getInputStream()
                           throws IOException

Specified by:

getInputStream in interface org.springframework.core.io.InputStreamSource

Throws:

IOException

getResponseHeaders

public org.springframework.http.HttpHeaders getResponseHeaders()

Specified by:

getResponseHeaders in interface org.springframework.web.servlet.resource.HttpResource