org.apache.taglibs.standard.tag.rt.core.ForEachTag Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of javax.servlet.jsp.jstl Show documentation
The newest version!
/*
 * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
 * Copyright 2004 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 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;

/**
 * A handler for <forEach> that supports rtexprvalue-based
 * attributes.
 *
 * @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;
    }
}