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Java > Open Source Codes > org > apache > fop > fotreetest > ResultCollector


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 /* $Id: ResultCollector.java 426576 2006-07-28 15:44:37Z jeremias $ */
19
20 package org.apache.fop.fotreetest;
21
22 import java.util.Collections JavaDoc;
23 import java.util.List JavaDoc;
24
25 /**
26  * This class collects the results from assertions injected into the FO stream.
27  */
28 public class ResultCollector {
29
30     private static ResultCollector instance = null;
31     
32     private List JavaDoc results = new java.util.ArrayList JavaDoc();
33     
34     /** @return the ResultColletor singleton */
35     public static ResultCollector getInstance() {
36         if (instance == null) {
37             instance = new ResultCollector();
38         }
39         return instance;
40     }
41     
42     /** Main constructor. */
43     public ResultCollector() {
44         //nop
45 }
46     
47     /**
48      * This notifies the ResultCollector about an Exception.
49      * @param e the exception
50      */
51     public void notifyException(Exception JavaDoc e) {
52         System.out.println(e.getMessage());
53         results.add(e);
54     }
55     
56     /** Resets the result list. */
57     public void reset() {
58         results.clear();
59     }
60     
61     /** @return the list of results */
62     public List JavaDoc getResults() {
63         return Collections.unmodifiableList(results);
64     }
65 }
66
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