1 /*
2 * Copyright 2005 Philipp Erlacher
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.exolab.castor.xml.parsing.primitive.objects;
17
18 import org.apache.commons.lang.StringUtils;
19
20 /**
21 * This class is part of the command pattern implementation to instantiate an
22 * object. It is used as a command by the command invoker PrimitiveObject.
23 *
24 * @author <a href="mailto:philipp DOT erlacher AT gmail DOT com">Philipp
25 * Erlacher</a>
26 *
27 */
28 class PrimitiveBoolean extends PrimitiveObject {
29
30 @Override
31 public Object getObject(Class<?> type, String value) {
32 if (StringUtils.isEmpty(value)) {
33 return Boolean.FALSE;
34 }
35
36 if (value.equals("1") || value.toLowerCase().equals("true")) {
37 return Boolean.TRUE;
38 }
39
40 if (value.equals("0") || value.toLowerCase().equals("false")) {
41 return Boolean.FALSE;
42 }
43
44 throw new IllegalArgumentException(" A value of >" + value
45 + "< cannot be converted to a boolean value.");
46 }
47
48 }