<!DOCTYPE html><html><head><meta charset="UTF-8" /><title>Source Code</title></head><body><pre>/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package jsp2.examples.simpletag;
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import java.io.IOException;
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import java.util.Random;
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import javax.servlet.jsp.JspException;
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import javax.servlet.jsp.tagext.JspFragment;
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import javax.servlet.jsp.tagext.SimpleTagSupport;
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/**
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* SimpleTag handler that accepts takes three attributes of type
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* JspFragment and invokes then in a random order.
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*/
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public class ShuffleSimpleTag extends SimpleTagSupport {
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// No need for this to use SecureRandom
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private static final Random random = new Random();
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private JspFragment fragment1;
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private JspFragment fragment2;
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private JspFragment fragment3;
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@Override
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public void doTag() throws JspException, IOException {
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switch(random.nextInt(6)) {
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case 0:
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fragment1.invoke( null );
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fragment2.invoke( null );
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fragment3.invoke( null );
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break;
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case 1:
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fragment1.invoke( null );
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fragment3.invoke( null );
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fragment2.invoke( null );
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break;
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case 2:
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fragment2.invoke( null );
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fragment1.invoke( null );
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fragment3.invoke( null );
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break;
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case 3:
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fragment2.invoke( null );
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fragment3.invoke( null );
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fragment1.invoke( null );
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break;
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case 4:
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fragment3.invoke( null );
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fragment1.invoke( null );
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fragment2.invoke( null );
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break;
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case 5:
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fragment3.invoke( null );
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fragment2.invoke( null );
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fragment1.invoke( null );
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break;
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}
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}
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public void setFragment1( JspFragment fragment1 ) {
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this.fragment1 = fragment1;
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}
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public void setFragment2( JspFragment fragment2 ) {
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this.fragment2 = fragment2;
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}
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public void setFragment3( JspFragment fragment3 ) {
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this.fragment3 = fragment3;
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}
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}
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</pre></body></html>
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