/*
 * 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 jsp2.examples.simpletag;

import java.io.IOException;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;

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

    @Override
    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;
    }
}
