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/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package javax.faces.application;
import java.io.IOException;
import java.util.stream.Stream;
import javax.faces.FacesWrapper;
import javax.faces.context.FacesContext;
/**
*
* Provides a simple implementation of {@link ResourceHandler} that can
* be subclassed by developers wishing to provide specialized behavior to an existing
* {@link ResourceHandler} instance. The default implementation of all methods is to call through to
* the wrapped {@link ResourceHandler}.
*
*
*
* Usage: extend this class and push the implementation being wrapped to the constructor and use
* {@link #getWrapped} to access the instance being wrapped.
*
*
* @since 2.0
*/
public abstract class ResourceHandlerWrapper extends ResourceHandler implements FacesWrapper {
private ResourceHandler wrapped;
/**
* @deprecated Use the other constructor taking the implementation being wrapped.
*/
@Deprecated
public ResourceHandlerWrapper() {
}
/**
*
* If this resource handler has been decorated, the implementation doing the decorating should
* push the implementation being wrapped to this constructor. The {@link #getWrapped()} will
* then return the implementation being wrapped.
*
*
* @param wrapped The implementation being wrapped.
* @since 2.3
*/
public ResourceHandlerWrapper(ResourceHandler wrapped) {
this.wrapped = wrapped;
}
@Override
public ResourceHandler getWrapped() {
return wrapped;
}
// -------------------------------------------- Methods from ResourceHandler
/**
*
* The default behavior of this method is to call {@link ResourceHandler#createResource(String)}
* on the wrapped {@link ResourceHandler} object.
*
*/
@Override
public Resource createResource(String resourceName) {
return getWrapped().createResource(resourceName);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#createResourceFromId(String)} on the wrapped {@link ResourceHandler}
* object.
*
*
* @since 2.2
*/
@Override
public Resource createResourceFromId(String resourceId) {
return getWrapped().createResourceFromId(resourceId);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#createResource(String, String)} on the wrapped {@link ResourceHandler}
* object.
*
*/
@Override
public Resource createResource(String resourceName, String libraryName) {
return getWrapped().createResource(resourceName, libraryName);
}
/**
*
* The default behavior of this method is to call {@link ResourceHandler#createViewResource} on
* the wrapped {@link ResourceHandler} object.
*
*/
@Override
public ViewResource createViewResource(FacesContext context, String resourceName) {
return getWrapped().createViewResource(context, resourceName);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#getViewResources(FacesContext, String, int, ResourceVisitOption...)}
* on the wrapped {@link ResourceHandler} object.
*
*
* @since 2.3
*/
@Override
public Stream getViewResources(FacesContext facesContext, String path, int maxDepth, ResourceVisitOption... options) {
return getWrapped().getViewResources(facesContext, path, maxDepth, options);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#getViewResources(FacesContext, String, ResourceVisitOption...)} on the
* wrapped {@link ResourceHandler} object.
*
*
* @since 2.3
*/
public Stream getViewResources(FacesContext facesContext, String path, ResourceVisitOption... options) {
return getWrapped().getViewResources(facesContext, path, options);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#createResource(String, String, String)} on the wrapped
* {@link ResourceHandler} object.
*
*/
@Override
public Resource createResource(String resourceName, String libraryName, String contentType) {
return getWrapped().createResource(resourceName, libraryName, contentType);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#handleResourceRequest(javax.faces.context.FacesContext)} on the
* wrapped {@link ResourceHandler} object.
*
*/
@Override
public void handleResourceRequest(FacesContext context) throws IOException {
getWrapped().handleResourceRequest(context);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#isResourceRequest(javax.faces.context.FacesContext)} on the wrapped
* {@link ResourceHandler} object.
*
*/
@Override
public boolean isResourceRequest(FacesContext context) {
return getWrapped().isResourceRequest(context);
}
/**
*
* The default behavior of this method is to call {@link ResourceHandler#isResourceURL} on the
* wrapped {@link ResourceHandler} object.
*
*/
@Override
public boolean isResourceURL(String url) {
return getWrapped().isResourceURL(url);
}
/**
*
* The default behavior of this method is to call {@link ResourceHandler#libraryExists(String)}
* on the wrapped {@link ResourceHandler} object.
*
*/
@Override
public boolean libraryExists(String libraryName) {
return getWrapped().libraryExists(libraryName);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#getRendererTypeForResourceName(String)} on the wrapped
* {@link ResourceHandler} object.
*
*/
@Override
public String getRendererTypeForResourceName(String resourceName) {
return getWrapped().getRendererTypeForResourceName(resourceName);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#markResourceRendered(FacesContext, String, String)} on the wrapped
* {@link ResourceHandler} object.
*
*
* @since 2.3
*/
@Override
public void markResourceRendered(FacesContext context, String resourceName, String libraryName) {
getWrapped().markResourceRendered(context, resourceName, libraryName);
}
/**
*
* The default behavior of this method is to call
* {@link ResourceHandler#isResourceRendered(FacesContext, String, String)} on the wrapped
* {@link ResourceHandler} object.
*
*
* @since 2.3
*/
@Override
public boolean isResourceRendered(FacesContext context, String resourceName, String libraryName) {
return getWrapped().isResourceRendered(context, resourceName, libraryName);
}
}