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Java > Open Source Codes > com > sun > org > apache > xerces > internal > impl > dv > xs > QNameDV


1 /*
2  * The Apache Software License, Version 1.1
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4  *
5  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
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24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
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57
58 package com.sun.org.apache.xerces.internal.impl.dv.xs;
59
60 import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeValueException;
61 import com.sun.org.apache.xerces.internal.util.XMLChar;
62 import com.sun.org.apache.xerces.internal.xni.QName;
63 import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;
64
65 /**
66  * Represent the schema type "QName" and "NOTATION"
67  *
68  * @author Neeraj Bajaj, Sun Microsystems, inc.
69  * @author Sandy Gao, IBM
70  *
71  * @version $Id: QNameDV.java,v 1.6 2003/02/26 16:24:59 sandygao Exp $
72  */
73 public class QNameDV extends TypeValidator {
74
75     private static final String JavaDoc EMPTY_STRING = "".intern();
76
77     public short getAllowedFacets() {
78         return (XSSimpleTypeDecl.FACET_LENGTH | XSSimpleTypeDecl.FACET_MINLENGTH | XSSimpleTypeDecl.FACET_MAXLENGTH | XSSimpleTypeDecl.FACET_PATTERN | XSSimpleTypeDecl.FACET_ENUMERATION | XSSimpleTypeDecl.FACET_WHITESPACE);
79     }
80
81     public Object JavaDoc getActualValue(String JavaDoc content, ValidationContext context)
82         throws InvalidDatatypeValueException {
83
84         // "prefix:localpart" or "localpart"
85 // get prefix and local part out of content
86 String JavaDoc prefix, localpart;
87         int colonptr = content.indexOf(":");
88         if (colonptr > 0) {
89             prefix = context.getSymbol(content.substring(0,colonptr));
90             localpart = content.substring(colonptr+1);
91         } else {
92             prefix = EMPTY_STRING;
93             localpart = content;
94         }
95
96         // both prefix (if any) a nd localpart must be valid NCName
97 if (prefix.length() > 0 && !XMLChar.isValidNCName(prefix))
98             throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object JavaDoc[]{content, "QName"});
99
100         if(!XMLChar.isValidNCName(localpart))
101             throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object JavaDoc[]{content, "QName"});
102
103         // resove prefix to a uri, report an error if failed
104 String JavaDoc uri = context.getURI(prefix);
105         if (prefix.length() > 0 && uri == null)
106             throw new InvalidDatatypeValueException("UndeclaredPrefix", new Object JavaDoc[]{content, prefix});
107
108         return new XQName(prefix, context.getSymbol(localpart), context.getSymbol(content), uri);
109
110     }
111
112     // REVISIT: qname and notation shouldn't support length facets.
113 // now we just return the length of the rawname
114 public int getDataLength(Object JavaDoc value) {
115         return ((XQName)value).rawname.length();
116     }
117
118     /**
119      * represent QName data
120      */
121     private static final class XQName extends QName {
122         /** Constructs a QName with the specified values. */
123         public XQName(String JavaDoc prefix, String JavaDoc localpart, String JavaDoc rawname, String JavaDoc uri) {
124             setValues(prefix, localpart, rawname, uri);
125         } // <init>(String,String,String,String)
126
127         /** Returns true if the two objects are equal. */
128         public boolean equals(Object JavaDoc object) {
129             if (object instanceof QName) {
130                 QName qname = (QName)object;
131                 return uri == qname.uri && localpart == qname.localpart;
132             }
133             return false;
134         } // equals(Object):boolean
135
136         public synchronized String JavaDoc toString() {
137             return rawname;
138         }
139     }
140 } // class QNameDVDV
141
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