org.springframework.web.context.support
Class ServletContextResource

java.lang.Object
  org.springframework.core.io.AbstractResource
      org.springframework.web.context.support.ServletContextResource

All Implemented Interfaces:

InputStreamSource, Resource

public class ServletContextResource

extends AbstractResource

Resource implementation for ServletContext resources, interpreting relative paths within the web application root.

Always supports stream access, but only allows java.io.File access when the web application archive is expanded. Always supports resolution as URL.

Since:

28.12.2003

Author:

Juergen Hoeller

See Also:

ServletContext.getResourceAsStream(java.lang.String), ServletContext.getRealPath(java.lang.String)

Field Summary

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

URL_PROTOCOL_FILE

Constructor Summary

ServletContextResource(javax.servlet.ServletContext servletContext, java.lang.String path)
Create a new ServletContextResource.

Method Summary

java.lang.String	getDescription() Return a description for this resource, to be used for error output when working with the resource.
java.io.File	getFile() This implementation delegates to ServletContext.getRealPath, but throws a FileNotFoundException if not found or not resolvable.
java.io.InputStream	getInputStream() This implementation delegates to ServletContext.getResourceAsStream, but throws a FileNotFoundException if not found.
java.net.URL	getURL() This implementation throws a FileNotFoundException, assuming that the resource cannot be resolved to a URL.

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

equals, exists, hashCode, isOpen, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ServletContextResource

public ServletContextResource(javax.servlet.ServletContext servletContext,
                              java.lang.String path)

Create a new ServletContextResource.

Parameters:

servletContext - the ServletContext to load from

path - the path of the resource

Method Detail

getInputStream

public java.io.InputStream getInputStream()
                                   throws java.io.IOException

This implementation delegates to ServletContext.getResourceAsStream, but throws a FileNotFoundException if not found.

Throws:

java.io.IOException - if the stream could not be opened

See Also:

ServletContext.getResourceAsStream(java.lang.String)

getURL

public java.net.URL getURL()
                    throws java.io.IOException

Description copied from class: AbstractResource

This implementation throws a FileNotFoundException, assuming that the resource cannot be resolved to a URL.

Specified by:

getURL in interface Resource

Overrides:

getURL in class AbstractResource

Throws:

java.io.IOException

getFile

public java.io.File getFile()
                     throws java.io.IOException

This implementation delegates to ServletContext.getRealPath, but throws a FileNotFoundException if not found or not resolvable.

Specified by:

getFile in interface Resource

Overrides:

getFile in class AbstractResource

Throws:

java.io.IOException

See Also:

ServletContext.getRealPath(java.lang.String)

getDescription

public java.lang.String getDescription()

Description copied from interface: Resource

Return a description for this resource, to be used for error output when working with the resource.

Implementations are also encouraged to return this value from their toString method.

See Also:

Object.toString()