RepeatSimpleTag.java

/*
* 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 jsp2.examples.simpletag;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import java.util.HashMap;
import java.io.IOException;

/**
 * SimpleTag handler that accepts a num attribute and 
 * invokes its body 'num' times.
 */
public class RepeatSimpleTag extends SimpleTagSupport {
    private int num;

    public void doTag() throws JspException, IOException {
        for (int i=0; i<num; i++) {
            getJspContext().setAttribute("count", String.valueOf( i + 1 ) );
	    getJspBody().invoke(null);
        }
    }

    public void setNum(int num) {
	this.num = num;
    }
}