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Java > Open Source Codes > org > apache > activemq > systest > impl > RandomMessageListImpl


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.activemq.systest.impl;
19
20 import org.apache.activemq.systest.MessageList;
21
22 /**
23  * A {@link MessageList} implementation which generates a random body
24  * which can help test performance when using compression.
25  *
26  * @version $Revision: 1.1 $
27  */
28 public class RandomMessageListImpl extends MessageListImpl {
29     
30     public RandomMessageListImpl(int numberOfMessages, int charactersPerMessage) {
31         super(numberOfMessages, charactersPerMessage);
32     }
33
34     protected Object JavaDoc createTextPayload(int messageCounter, int charactersPerMessage) {
35         StringBuffer JavaDoc buffer = new StringBuffer JavaDoc();
36         for (int i = 0; i < charactersPerMessage; i++) {
37             char ch = (char) (32 + (int) (Math.random() * 230));
38             buffer.append(ch);
39         }
40         String JavaDoc answer = buffer.toString();
41         assertEquals("String length should equal the requested length", charactersPerMessage, answer.length());
42         return answer;
43     }
44 }
45
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