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Java > Open Source Codes > org > enhydra > apache > xerces > validators > datatype > TimeDatatypeValidator


1
2 /*
3  * The Apache Software License, Version 1.1
4  *
5  *
6  * Copyright (c) 1999, 2001 The Apache Software Foundation. All rights
7  * reserved.
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9  * Redistribution and use in source and binary forms, with or without
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25  * Alternately, this acknowledgment may appear in the software itself,
26  * if and wherever such third-party acknowledgments normally appear.
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28  * 4. The names "Xerces" and "Apache Software Foundation" must
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50  *
51  * This software consists of voluntary contributions made by many
52  * individuals on behalf of the Apache Software Foundation and was
53  * originally based on software copyright (c) 2001, International
54  * Business Machines, Inc., http://www.apache.org. For more
55  * information on the Apache Software Foundation, please see
56  * <http://www.apache.org/>.
57  */
58
59 package org.enhydra.apache.xerces.validators.datatype;
60
61 import java.util.Hashtable JavaDoc;
62
63 /**
64  * Validator for <time> datatype (W3C Schema Datatypes)
65  *
66  * @author Elena Litani
67  * @version $Id: TimeDatatypeValidator.java,v 1.1.1.1 2003/03/10 16:34:47 taweili Exp $
68  */
69 public class TimeDatatypeValidator extends DateTimeValidator {
70
71     public TimeDatatypeValidator() throws InvalidDatatypeFacetException{
72         super();
73     }
74
75
76     public TimeDatatypeValidator ( DatatypeValidator base, Hashtable JavaDoc facets,
77                                         boolean derivedByList ) throws InvalidDatatypeFacetException {
78         super (base, facets, derivedByList);
79     }
80
81     /**
82      * Parses, validates and computes normalized version of time object
83      *
84      * @param str The lexical representation of time object hh:mm:ss.sss
85      * with possible time zone Z or (-),(+)hh:mm
86      * Pattern: "(\\d\\d):(\\d\\d):(\\d\\d)(\\.(\\d)*)?(Z|(([-+])(\\d\\d)(:(\\d\\d))?))?")
87      * @param date uninitialized date object
88      * @return normalized time representation
89      * @exception Exception Invalid lexical representation
90      */
91     protected int[] parse(String JavaDoc str, int[] date) throws SchemaDateTimeException{
92         
93         resetBuffer(str);
94
95         //create structure to hold an object
96 if ( date == null ) {
97             date = new int[TOTAL_SIZE];
98         }
99         resetDateObj(date);
100
101         // time
102 // initialize to default values
103 date[CY]=YEAR;
104         date[M]=MONTH;
105         date[D]=DAY;
106         getTime(fStart, fEnd, date);
107
108         //validate and normalize
109
110         //REVISIT: do we need SchemaDateTimeException?
111 validateDateTime(date);
112         
113         if ( date[utc]!=0 || date[h] == 24 ) {
114             normalize(date);
115         }
116         return date;
117     }
118
119
120     /**
121      * Converts time object representation to String
122      *
123      * @param date time object
124      * @return lexical representation of time: hh:mm:ss.sss with an optional time zone sign
125      */
126      
127     protected String JavaDoc dateToString(int[] date) {
128         message.setLength(0);
129         message.append(date[h]);
130         message.append(':');
131         message.append(date[m]);
132         message.append(':');
133         message.append(date[s]);
134         message.append('.');
135         message.append(date[ms]);
136         message.append((char)date[utc]);
137         return message.toString();
138     }
139      
140
141 }
142
143
144
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