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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.render;
import java.io.OutputStream;
import java.io.Writer;
import java.util.Iterator;
import javax.faces.FacesWrapper;
import javax.faces.context.ResponseStream;
import javax.faces.context.ResponseWriter;
/**
* Provides a simple implementation of
* {@link RenderKit} that
* can be subclassed by developers wishing to provide specialized
* behavior to an existing {@link RenderKit} instance. The default
* implementation of all methods is to call through to the wrapped
* {@link RenderKit}.
*
* Usage: extend this class and override {@link #getWrapped} to
* return the instance we are wrapping.
*
* 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 RenderKitWrapper extends RenderKit implements FacesWrapper {
private RenderKit wrapped;
/**
* @deprecated Use the other constructor taking the implementation being wrapped.
*/
@Deprecated
public RenderKitWrapper() {
}
/**
* If this render kit 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 RenderKitWrapper(RenderKit wrapped) {
this.wrapped = wrapped;
}
@Override
public RenderKit getWrapped() {
return wrapped;
}
/**
* The default behavior of this method is to
* call {@link RenderKit#addRenderer(String, String, Renderer)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#addRenderer(String, String, Renderer)
*/
@Override
public void addRenderer(String family, String rendererType, Renderer renderer) {
getWrapped().addRenderer(family, rendererType, renderer);
}
/**
* The default behavior of this method is to
* call {@link RenderKit#createResponseStream(java.io.OutputStream)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#createResponseStream(java.io.OutputStream)
*/
@Override
public ResponseStream createResponseStream(OutputStream out) {
return getWrapped().createResponseStream(out);
}
/**
* The default behavior of this method is to
* call {@link RenderKit#createResponseWriter(java.io.Writer, String, String)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#createResponseWriter(java.io.Writer, String, String)
*/
@Override
public ResponseWriter createResponseWriter(Writer writer, String contentTypeList, String characterEncoding) {
return getWrapped().createResponseWriter(writer, contentTypeList, characterEncoding);
}
/**
* The default behavior of this method is to
* call {@link RenderKit#getRenderer(String, String)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#getRenderer(String, String)
*/
@Override
public Renderer getRenderer(String family, String rendererType) {
return getWrapped().getRenderer(family, rendererType);
}
/**
* The default behavior of this method is to
* call {@link javax.faces.render.RenderKit#getResponseStateManager()}
* on the wrapped {@link RenderKit} object.
*
* @see javax.faces.render.RenderKit#getResponseStateManager()
*/
@Override
public ResponseStateManager getResponseStateManager() {
return getWrapped().getResponseStateManager();
}
/**
* The default behavior of this method is to
* call {@link javax.faces.render.RenderKit#getComponentFamilies()}
* on the wrapped {@link RenderKit} object.
*
* @see javax.faces.render.RenderKit#getComponentFamilies()
*/
@Override
public Iterator getComponentFamilies() {
return getWrapped().getComponentFamilies();
}
/**
* The default behavior of this method is to
* call {@link RenderKit#getRendererTypes(String)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#getRendererTypes(String)
*/
@Override
public Iterator getRendererTypes(String componentFamily) {
return getWrapped().getRendererTypes(componentFamily);
}
/**
* The default behavior of this method is to
* call {@link RenderKit#addClientBehaviorRenderer(String, ClientBehaviorRenderer)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#addClientBehaviorRenderer(String, ClientBehaviorRenderer)
*/
@Override
public void addClientBehaviorRenderer(String type, ClientBehaviorRenderer renderer) {
getWrapped().addClientBehaviorRenderer(type, renderer);
}
/**
* The default behavior of this method is to
* call {@link RenderKit#getClientBehaviorRenderer(String)}
* on the wrapped {@link RenderKit} object.
*
* @see RenderKit#getClientBehaviorRenderer(String)
*/
@Override
public ClientBehaviorRenderer getClientBehaviorRenderer(String type) {
return getWrapped().getClientBehaviorRenderer(type);
}
/**
* The default behavior of this method is to
* call {@link javax.faces.render.RenderKit#getClientBehaviorRendererTypes()}
* on the wrapped {@link RenderKit} object.
*
* @see javax.faces.render.RenderKit#getClientBehaviorRendererTypes()
*/
@Override
public Iterator getClientBehaviorRendererTypes() {
return getWrapped().getClientBehaviorRendererTypes();
}
}