org.primefaces.expression.impl.NextExpressionResolver Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* 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 org.primefaces.expression.impl;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.primefaces.expression.SearchExpressionResolver;
/**
* {@link SearchExpressionResolver} for the "@next" keyword.
*/
public class NextExpressionResolver implements SearchExpressionResolver {
public UIComponent resolveComponent(FacesContext context, UIComponent source, UIComponent last, String expression) {
UIComponent parent = last.getParent();
if (parent.getChildCount() > 1) {
List children = parent.getChildren();
int index = children.indexOf(last);
if (index < parent.getChildCount() - 1)
{
return children.get(index + 1);
}
}
return null;
}
}