javax.faces.application.ResourceWrapper Maven / Gradle / Ivy
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package javax.faces.application;
import java.io.IOException;
import java.io.InputStream;
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 push the implementation being wrapped to the
* constructor and use {@link #getWrapped} to access the instance being wrapped.
*
* @since 2.0
*/
public abstract class ResourceWrapper extends Resource implements FacesWrapper {
private Resource wrapped;
/**
* @deprecated Use the other constructor taking the implementation being wrapped.
*/
@Deprecated
public ResourceWrapper() {
}
/**
* If this resource 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 ResourceWrapper(Resource wrapped) {
this.wrapped = wrapped;
}
@Override
public Resource getWrapped() {
return wrapped;
}
// --------------------------------------------------- Methods from Resource
/**
* The default behavior of this method
* is to call {@link Resource#getInputStream} on the wrapped {@link
* ResourceHandler} object.
*/
@Override
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.
*/
@Override
public URL getURL() {
return getWrapped().getURL();
}
/**
* The default behavior of this method
* is to call {@link Resource#getResponseHeaders} on the wrapped {@link
* ResourceHandler} object.
*/
@Override
public Map getResponseHeaders() {
return getWrapped().getResponseHeaders();
}
/**
* The default behavior of this method
* is to call {@link Resource#getRequestPath} on the wrapped {@link
* ResourceHandler} object.
*/
@Override
public String getRequestPath() {
return getWrapped().getRequestPath();
}
/**
* The default behavior of this method
* is to call {@link Resource#userAgentNeedsUpdate} on the wrapped {@link
* ResourceHandler} object.
*/
@Override
public boolean userAgentNeedsUpdate(FacesContext context) {
return getWrapped().userAgentNeedsUpdate(context);
}
/**
* The default behavior of this method is to call
* {@link Resource#getContentType()} on the wrapped {@link ResourceHandler} object.
*/
@Override
public String getContentType() {
return getWrapped().getContentType();
}
/**
* The default behavior of this method is to call
* {@link Resource#setContentType(String)} on the wrapped {@link ResourceHandler} object.
*/
@Override
public void setContentType(String contentType) {
getWrapped().setContentType(contentType);
}
/**
* The default behavior of this method is to call
* {@link Resource#getLibraryName()} on the wrapped {@link ResourceHandler} object.
*/
@Override
public String getLibraryName() {
return getWrapped().getLibraryName();
}
/**
* The default behavior of this method is to call
* {@link Resource#setLibraryName(String)} on the wrapped {@link ResourceHandler} object.
*/
@Override
public void setLibraryName(String libraryName) {
getWrapped().setLibraryName(libraryName);
}
/**
* The default behavior of this method is to call
* {@link Resource#getResourceName()} on the wrapped {@link ResourceHandler} object.
*/
@Override
public String getResourceName() {
return getWrapped().getResourceName();
}
/**
* The default behavior of this method is to call
* {@link Resource#setResourceName(String)} on the wrapped {@link ResourceHandler} object.
*/
@Override
public void setResourceName(String resourceName) {
getWrapped().setResourceName(resourceName);
}
}