View Javadoc
1   /*
2    * reserved comment block
3    * DO NOT REMOVE OR ALTER!
4    */
5   /*
6    * Copyright 2001, 2002,2004 The Apache Software Foundation.
7    *
8    * Licensed under the Apache License, Version 2.0 (the "License");
9    * you may not use this file except in compliance with the License.
10   * You may obtain a copy of the License at
11   *
12   *      http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package com.sun.org.apache.xerces.internal.impl.dv.xs;
22  
23  import com.sun.org.apache.xerces.internal.impl.dv.InvalidDatatypeValueException;
24  import com.sun.org.apache.xerces.internal.impl.dv.ValidationContext;
25  import com.sun.org.apache.xerces.internal.impl.dv.util.ByteListImpl;
26  import com.sun.org.apache.xerces.internal.impl.dv.util.HexBin;
27  
28  /**
29   * Represent the schema type "hexBinary"
30   *
31   * @xerces.internal
32   *
33   * @author Neeraj Bajaj, Sun Microsystems, inc.
34   * @author Sandy Gao, IBM
35   *
36   * @version $Id: HexBinaryDV.java,v 1.7 2010-11-01 04:39:47 joehw Exp $
37   */
38  public class HexBinaryDV extends TypeValidator {
39  
40      public short getAllowedFacets(){
41          return (XSSimpleTypeDecl.FACET_LENGTH | XSSimpleTypeDecl.FACET_MINLENGTH | XSSimpleTypeDecl.FACET_MAXLENGTH | XSSimpleTypeDecl.FACET_PATTERN | XSSimpleTypeDecl.FACET_ENUMERATION | XSSimpleTypeDecl.FACET_WHITESPACE );
42      }
43  
44      public Object getActualValue(String content, ValidationContext context) throws InvalidDatatypeValueException {
45          byte[] decoded = HexBin.decode(content);
46          if (decoded == null)
47              throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "hexBinary"});
48  
49          return new XHex(decoded);
50      }
51  
52      // length of a binary type is the number of bytes
53      public int getDataLength(Object value) {
54          return ((XHex)value).getLength();
55      }
56  
57      private static final class XHex extends ByteListImpl {
58  
59          public XHex(byte[] data) {
60              super(data);
61          }
62          public synchronized String toString() {
63              if (canonical == null) {
64                  canonical = HexBin.encode(data);
65              }
66              return canonical;
67          }
68  
69          public boolean equals(Object obj) {
70              if (!(obj instanceof XHex))
71                  return false;
72              byte[] odata = ((XHex)obj).data;
73              int len = data.length;
74              if (len != odata.length)
75                  return false;
76              for (int i = 0; i < len; i++) {
77                  if (data[i] != odata[i])
78                      return false;
79              }
80              return true;
81          }
82  
83          public int hashCode() {
84              int hash = 0;
85              for (int i = 0; i < data.length; ++i) {
86                  hash = hash * 37 + (((int) data[i]) & 0xff);
87              }
88              return hash;
89          }
90      }
91  }