java.lang.Object
- javax.faces.application.ViewResource
- - javax.faces.application.Resource
  - - javax.faces.application.ResourceWrapper

All Implemented Interfaces:

FacesWrapper<Resource>
```
public abstract class ResourceWrapper
extends Resource
implements FacesWrapper<Resource>
```
Provides a simple implementation of Resource that can be subclassed by developers wishing to provide specialized behavior to an existing Resource instance. The default implementation of all methods is to call through to the wrapped Resource.

Usage: extend this class and override getWrapped() to return the instance we are wrapping.

Since:

2.0

Field Summary
- Fields inherited from class javax.faces.application.Resource
  COMPONENT_RESOURCE_KEY

Constructor Summary

Constructors
Constructor and Description

ResourceWrapper()

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Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`String`	`getContentType()` The default behavior of this method is to call `Resource.getContentType()` on the wrapped `ResourceHandler` object.
`InputStream`	`getInputStream()` The default behavior of this method is to call `Resource.getInputStream()` on the wrapped `ResourceHandler` object.
`String`	`getLibraryName()` The default behavior of this method is to call `Resource.getLibraryName()` on the wrapped `ResourceHandler` object.
`String`	`getRequestPath()` The default behavior of this method is to call `Resource.getRequestPath()` on the wrapped `ResourceHandler` object.
`String`	`getResourceName()` The default behavior of this method is to call `Resource.getResourceName()` on the wrapped `ResourceHandler` object.
`Map<String,String>`	`getResponseHeaders()` The default behavior of this method is to call `Resource.getResponseHeaders()` on the wrapped `ResourceHandler` object.
`URL`	`getURL()` The default behavior of this method is to call `Resource.getURL()` on the wrapped `ResourceHandler` object.
`abstract Resource`	`getWrapped()` A class that implements this interface uses this method to return an instance of the class being wrapped.
`void`	`setContentType(String contentType)` The default behavior of this method is to call `Resource.setContentType(String)` on the wrapped `ResourceHandler` object.
`void`	`setLibraryName(String libraryName)` The default behavior of this method is to call `Resource.setLibraryName(String)` on the wrapped `ResourceHandler` object.
`void`	`setResourceName(String resourceName)` The default behavior of this method is to call `Resource.setResourceName(String)` on the wrapped `ResourceHandler` object.
`boolean`	`userAgentNeedsUpdate(FacesContext context)` The default behavior of this method is to call `Resource.userAgentNeedsUpdate(javax.faces.context.FacesContext)` on the wrapped `ResourceHandler` object.

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Methods inherited from class javax.faces.application.Resource
toString

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

- Constructor Detail
  - ResourceWrapper
```
public ResourceWrapper()
```
- Method Detail
  - getWrapped
```
public abstract Resource getWrapped()
```
    Description copied from interface: FacesWrapper
    
    A class that implements this interface uses this method to return an instance of the class being wrapped.
    
    Specified by:
    
    getWrapped in interface FacesWrapper<Resource>
    
    Returns:
    
    the instance that we are wrapping.
  - getInputStream
```
public InputStream getInputStream()
                           throws IOException
```
    The default behavior of this method is to call Resource.getInputStream() on the wrapped ResourceHandler object.
    
    Specified by:
    
    getInputStream in class Resource
    
    Returns:
    
    an InputStream containing the bytes of the resource.
    
    Any EL expressions present in the resource must be evaluated before serving the bytes of the resource. Note that due to browser and server caching, EL expressions in a resource file will generally only be evaluated once, when the resource is first served up. Therefore, using EL expressions that refer to per-request data is not advisable since this data can become stale.
    
    Throws:
    
    IOException - if the current request is not a resource request.
  - getURL
```
public URL getURL()
```
    The default behavior of this method is to call Resource.getURL() on the wrapped ResourceHandler object.
    
    Specified by:
    
    getURL in class Resource
    
    Returns:
    
    Return an actual URL instance that refers to this resource instance.
  - getResponseHeaders
```
public Map<String,String> getResponseHeaders()
```
    The default behavior of this method is to call Resource.getResponseHeaders() on the wrapped ResourceHandler object.
    
    Specified by:
    
    getResponseHeaders in class Resource
    
    Returns:
    
    a mutable Map<String, String> of headers that will be included with the response.
  - getRequestPath
```
public String getRequestPath()
```
    The default behavior of this method is to call Resource.getRequestPath() on the wrapped ResourceHandler object.
    
    Specified by:
    
    getRequestPath in class Resource
    
    Returns:
    
    the path to this resource, intended to be included in the encoded view that is sent to the browser when sending a faces response.
  - userAgentNeedsUpdate
```
public boolean userAgentNeedsUpdate(FacesContext context)
```
    The default behavior of this method is to call Resource.userAgentNeedsUpdate(javax.faces.context.FacesContext) on the wrapped ResourceHandler object.
    
    Specified by:
    
    userAgentNeedsUpdate in class Resource
    
    Returns:
    
    true or false depending on whether or not the user-agent needs an update of this resource.
  - getContentType
```
public String getContentType()
```
    The default behavior of this method is to call Resource.getContentType() on the wrapped ResourceHandler object.
    
    Overrides:
    
    getContentType in class Resource
    
    Returns:
    
    the MIME content-type for this resource.
  - setContentType
```
public void setContentType(String contentType)
```
    The default behavior of this method is to call Resource.setContentType(String) on the wrapped ResourceHandler object.
    
    Overrides:
    
    setContentType in class Resource
    
    Parameters:
    
    contentType - the MIME content-type for this resource. The default implementation must accept null as a parameter.
  - getLibraryName
```
public String getLibraryName()
```
    The default behavior of this method is to call Resource.getLibraryName() on the wrapped ResourceHandler object.
    
    Overrides:
    
    getLibraryName in class Resource
    
    Returns:
    
    Return the libraryName for this resource. May be null.
  - setLibraryName
```
public void setLibraryName(String libraryName)
```
    The default behavior of this method is to call Resource.setLibraryName(String) on the wrapped ResourceHandler object.
    
    Overrides:
    
    setLibraryName in class Resource
    
    Parameters:
    
    libraryName - the libraryName for this resource. The default implementation must accept null for the libraryName.
  - getResourceName
```
public String getResourceName()
```
    The default behavior of this method is to call Resource.getResourceName() on the wrapped ResourceHandler object.
    
    Overrides:
    
    getResourceName in class Resource
    
    Returns:
    
    Return the resourceName for this resource. Will never be null.
  - setResourceName
```
public void setResourceName(String resourceName)
```
    The default behavior of this method is to call Resource.setResourceName(String) on the wrapped ResourceHandler object.
    
    Overrides:
    
    setResourceName in class Resource
    
    Parameters:
    
    resourceName - a non-null String.

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Bij voorbaat dank.

Document heeft de 11/06/2005 gemaakt, de laatste keer de 18/08/2025 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/java-api-javaee-rf-javax/faces/application/resourcewrapper.html

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Referenties

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Class ResourceWrapper

Field Summary

Fields inherited from class javax.faces.application.Resource

Constructor Summary

Method Summary

Methods inherited from class javax.faces.application.Resource

Methods inherited from class java.lang.Object

Constructor Detail

ResourceWrapper

Method Detail

getWrapped

getInputStream

getURL

getResponseHeaders

getRequestPath

userAgentNeedsUpdate

getContentType

setContentType

getLibraryName

setLibraryName

getResourceName

setResourceName

Referenties