1 /*
2 * Copyright 2004 The Apache Software Foundation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17
18 package jsp2.examples.simpletag;
19
20 import javax.servlet.jsp.JspException;
21 import javax.servlet.jsp.tagext.SimpleTagSupport;
22 import java.util.HashMap;
23 import java.io.IOException;
24
25 /**
26 * SimpleTag handler that accepts a num attribute and
27 * invokes its body 'num' times.
28 */
29 public class RepeatSimpleTag extends SimpleTagSupport {
30 private int num;
31
32 public void doTag() throws JspException, IOException {
33 for (int i=0; i<num; i++) {
34 getJspContext().setAttribute("count", String.valueOf( i + 1 ) );
35 getJspBody().invoke(null);
36 }
37 }
38
39 public void setNum(int num) {
40 this.num = num;
41 }
42 }