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1
57
58 package org.enhydra.apache.xerces.validators.datatype;
59
60 import java.util.Hashtable  ;
61
62 import org.enhydra.apache.xerces.utils.XMLMessages;
63
64
72 public class IDDatatypeValidator extends StringDatatypeValidator {
73 private static Object fNullValue = new Object ();
74
75 public IDDatatypeValidator () throws InvalidDatatypeFacetException {
76 this( null, null, false ); }
78
79 public IDDatatypeValidator ( DatatypeValidator base, Hashtable facets,
80 boolean derivedByList ) throws InvalidDatatypeFacetException {
81
82 super (base, facets, derivedByList);
84
85 if ( derivedByList )
87 return;
88
89 if (base != null)
91 setTokenType(((IDDatatypeValidator)base).fTokenType);
92 else
93 setTokenType(SPECIAL_TOKEN_IDNAME);
94 }
95
96
99 public short getWSFacet() {
100 return COLLAPSE;
101 }
102
103
117 public Object validate(String content, Object state ) throws InvalidDatatypeValueException{
118 super.validate(content, state);
120
121 if (state != null) {
122 if ( !addId( content, (Hashtable )state) ) {
123 InvalidDatatypeValueException error =
124 new InvalidDatatypeValueException( "ID '" + content +"' has to be unique" );
125 error.setMinorCode(XMLMessages.MSG_ID_NOT_UNIQUE);
126 error.setMajorCode(XMLMessages.VC_ID);
127 throw error;
128 }
129 }
130
131 return null;
132 }
133
134
135
138 public Object clone() throws CloneNotSupportedException {
139 throw new CloneNotSupportedException ("clone() is not supported in "+this.getClass().getName());
140 }
141
142
143
144 private boolean addId(String content, Hashtable IDList) {
145 if ( IDList.containsKey( content ) )
146 return false;
147
148 try {
149 IDList.put( content, fNullValue );
150 }
151 catch ( OutOfMemoryError ex ) {
152 System.out.println( "Out of Memory: Hashtable of ID's has " + IDList.size() + " Elements" );
153 ex.printStackTrace();
154 }
155 return true;
156 } }
158 |
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