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/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * glassfish/bootstrap/legal/CDDLv1.0.txt or
 * https://glassfish.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
 * add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your
 * own identifying information: Portions Copyright [yyyy]
 * [name of copyright owner]
 *
 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
 *
 * Portions Copyright Apache Software Foundation.
 */ 

package org.apache.taglibs.standard.tag.rt.core;

import javax.servlet.jsp.jstl.core.ConditionalTagSupport;

/**
 * Tag handler for <if> in JSTL's rtexprvalue library.  Because
 * of the support provided by the ConditionalTagSupport class, this
 * tag is trivial enough not to require a separate base supporting class
 * common to both libraries.
 *
 * @author Shawn Bayern
 */

public class IfTag extends ConditionalTagSupport {

    //*********************************************************************
    // Constructor and lifecycle management

    // initialize inherited and local state
    public IfTag() {
        super();
        init();
    }

    // Releases any resources we may have (or inherit)
    public void release() {
        super.release();
        init();
    }


    //*********************************************************************
    // Supplied conditional logic

    protected boolean condition() {
        return test;
    }


    //*********************************************************************
    // Private state

    private boolean test;               // the value of the 'test' attribute


    //*********************************************************************
    // Accessors

    // receives the tag's 'test' attribute
    public void setTest(boolean test) {
        this.test = test;
    }


    //*********************************************************************
    // Private utility methods

    // resets internal state
    private void init() {
        test = false;
    }
}