001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 019 package jsp2.examples.simpletag; 020 021 import java.io.IOException; 022 023 import javax.servlet.jsp.JspException; 024 import javax.servlet.jsp.tagext.SimpleTagSupport; 025 026 /** 027 * SimpleTag handler that accepts a num attribute and 028 * invokes its body 'num' times. 029 */ 030 public class RepeatSimpleTag extends SimpleTagSupport { 031 private int num; 032 033 public void doTag() throws JspException, IOException { 034 for (int i = 0; i < num; i++) { 035 getJspContext().setAttribute("count", String.valueOf(i + 1)); 036 getJspBody().invoke(null); 037 } 038 } 039 040 public void setNum(int num) { 041 this.num = num; 042 } 043 }