Coverage Report - org.apache.commons.betwixt.expression.CollectionUpdater

Classes in this File	Line Coverage	Branch Coverage	Complexity
CollectionUpdater	100%	100%	2.5;2.5

1		/*
2		* Copyright 2006 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		package org.apache.commons.betwixt.expression;
17
18		import java.util.Collection;
19
20		/**
21		* Updates a Collection by adding the new value to it.
22		*/
23	66	public class CollectionUpdater implements Updater {
24
25		private static CollectionUpdater INSTANCE;
26
27		/**
28		* Gets singleton instance.
29		* @return <code>CollectionUpdater</code>, not null
30		*/
31		public static synchronized CollectionUpdater getInstance() {
32	180	if (INSTANCE == null) {
33	66	INSTANCE = new CollectionUpdater();
34		}
35	180	return INSTANCE;
36		}
37
38		/**
39		* Updates collection contained by the context by adding the new value.
40		* @param context <code>Context</code>, not null
41		* @param newValue value to be added, possibly null
42		*/
43		public void update(Context context, Object newValue) {
44	54	if (newValue != null) {
45	36	Object subject = context.getBean();
46	36	if (subject != null && subject instanceof Collection) {
47	24	Collection collection = (Collection) subject;
48	24	collection.add(newValue);
49		}
50		}
51	54	}
52		}