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EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
* Copyright 2005-2007 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.faces.view.facelets;
import java.io.IOException;
import javax.faces.component.UIComponent;
/**
* A FaceletHandler that is derived of 1 or
* more, inner FaceletHandlers. This class would be found if the next
* FaceletHandler is structually, a body with multiple child elements as
* defined in XML. This class enables the Facelet runtime to traverse
* the tree of {@link FaceletHandler} instances built by the Facelets
* compiler.
*
*/
public final class CompositeFaceletHandler implements FaceletHandler {
private final FaceletHandler[] children;
private final int len;
public CompositeFaceletHandler(FaceletHandler[] children) {
this.children = children;
this.len = children.length;
}
/**
* Calls apply on any child handlers.
*
* @param ctx the FaceletContext
for this view execution
*
* @param parent the parent UIComponent
of the
* component represented by this element instance.
* @since 2.0
*/
@Override
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
for (int i = 0; i < len; i++) {
this.children[i].apply(ctx, parent);
}
}
/**
* Returns the array of child
* handlers contained by this handler.
*
* @return Returns the array of child handlers contained by this handler.
*/
public FaceletHandler[] getHandlers() {
return this.children;
}
}