javax.faces.application.ResourceWrapper Maven / Gradle / Ivy
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package javax.faces.application;
import java.io.InputStream;
import java.io.IOException;
import java.net.URL;
import java.util.Map;
import javax.faces.FacesWrapper;
import javax.faces.context.FacesContext;
/**
* Provides a simple implementation of
* {@link Resource} that can be subclassed by developers wishing to
* provide specialized behavior to an existing {@link Resource}
* instance. The default implementation of all methods is to call
* through to the wrapped {@link Resource}.
*
*
*
* Usage: extend
* this class and override {@link #getWrapped} to return the instance we
* are wrapping.
*
*
*
* @since 2.0
*/
public abstract class ResourceWrapper extends Resource implements FacesWrapper {
/**
* @return the instance that we are wrapping.
*/
public abstract Resource getWrapped();
// --------------------------------------------------- Methods from Resource
/**
* The default behavior of this method
* is to call {@link Resource#getInputStream} on the wrapped {@link
* ResourceHandler} object.
*/
public InputStream getInputStream() throws IOException {
return getWrapped().getInputStream();
}
/**
* The default behavior of this method
* is to call {@link Resource#getURL} on the wrapped {@link
* ResourceHandler} object.
*/
public URL getURL() {
return getWrapped().getURL();
}
/**
* The default behavior of this method
* is to call {@link Resource#getResponseHeaders} on the wrapped {@link
* ResourceHandler} object.
*/
public Map getResponseHeaders() {
return getWrapped().getResponseHeaders();
}
/**
* The default behavior of this method
* is to call {@link Resource#getRequestPath} on the wrapped {@link
* ResourceHandler} object.
*/
public String getRequestPath() {
return getWrapped().getRequestPath();
}
/**
* The default behavior of this method
* is to call {@link Resource#userAgentNeedsUpdate} on the wrapped {@link
* ResourceHandler} object.
*/
public boolean userAgentNeedsUpdate(FacesContext context) {
return getWrapped().userAgentNeedsUpdate(context);
}
}