/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.taglibs.standard.tag.rt.core;

import java.util.ArrayList;

import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.jstl.core.LoopTag;
import javax.servlet.jsp.tagext.IterationTag;

import org.apache.taglibs.standard.tag.common.core.ForEachSupport;

/**
 * <p>A handler for &lt;forEach&gt; that supports rtexprvalue-based
 * attributes.</p>
 *
 * @author Shawn Bayern
 */

public class ForEachTag
        extends ForEachSupport
        implements LoopTag, IterationTag {

    //*********************************************************************
    // Accessor methods

    // for tag attribute

    public void setBegin(int begin) throws JspTagException {
        this.beginSpecified = true;
        this.begin = begin;
        validateBegin();
    }

    // for tag attribute

    public void setEnd(int end) throws JspTagException {
        this.endSpecified = true;
        this.end = end;
        validateEnd();
    }

    // for tag attribute

    public void setStep(int step) throws JspTagException {
        this.stepSpecified = true;
        this.step = step;
        validateStep();
    }

    public void setItems(Object o) throws JspTagException {
        // for null items, simulate an empty list
        if (o == null) {
            rawItems = new ArrayList();
        } else {
            rawItems = o;
        }
    }
}
