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Java > Open Source Codes > org > apache > xerces > impl > dv > xs > BooleanDV


1 /*
2  * Copyright 2001, 2002,2004 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
17 package org.apache.xerces.impl.dv.xs;
18
19 import org.apache.xerces.impl.dv.InvalidDatatypeValueException;
20 import org.apache.xerces.impl.dv.ValidationContext;
21
22 /**
23  * Represent the schema type "boolean"
24  *
25  * @xerces.internal
26  *
27  * @author Neeraj Bajaj, Sun Microsystems, inc.
28  * @author Sandy Gao, IBM
29  *
30  * @version $Id: BooleanDV.java,v 1.5 2004/10/06 14:56:47 mrglavas Exp $
31  */
32 public class BooleanDV extends TypeValidator{
33
34     private static final String JavaDoc fValueSpace[] = {"false", "true", "0", "1"};
35
36     public short getAllowedFacets(){
37         return (XSSimpleTypeDecl.FACET_PATTERN | XSSimpleTypeDecl.FACET_WHITESPACE);
38     }
39
40     public Object JavaDoc getActualValue(String JavaDoc content, ValidationContext context) throws InvalidDatatypeValueException {
41         Boolean JavaDoc ret = null;
42
43         if (content.equals(fValueSpace[0]) || content.equals(fValueSpace[2]))
44             ret = Boolean.FALSE;
45         else if (content.equals(fValueSpace[1]) || content.equals(fValueSpace[3]))
46             ret = Boolean.TRUE;
47         else
48             throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object JavaDoc[]{content, "boolean"});
49         return ret;
50     }
51
52 } // class BooleanDV
53
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