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package javax.faces.render;

import java.io.IOException;
import javax.faces.FacesWrapper;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.ConverterException;


/**
 * 

Provides a simple implementation of * {@link Renderer} that can be subclassed by developers wishing to * provide specialized behavior to an existing {@link Renderer} * instance. The default implementation of all methods is to call * through to the wrapped {@link Renderer} instance.

* *

Usage: extend this class and override * {@link #getWrapped} to * return the instance being wrapping.

* * @since 2.2 */ public abstract class RendererWrapper extends Renderer implements FacesWrapper { /** * @return the instance we are wrapping */ @Override public abstract Renderer getWrapped(); @Override public String convertClientId(FacesContext context, String clientId) { return getWrapped().convertClientId(context, clientId); } @Override public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException { return getWrapped().getConvertedValue(context, component, submittedValue); } @Override public void decode(FacesContext context, UIComponent component) { getWrapped().decode(context, component); } @Override public void encodeBegin(FacesContext context, UIComponent component) throws IOException { getWrapped().encodeBegin(context, component); } @Override public void encodeChildren(FacesContext context, UIComponent component) throws IOException { getWrapped().encodeChildren(context, component); } @Override public void encodeEnd(FacesContext context, UIComponent component) throws IOException { getWrapped().encodeEnd(context, component); } @Override public boolean getRendersChildren() { return getWrapped().getRendersChildren(); } }




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