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1
57
58 package org.enhydra.apache.xerces.validators.datatype;
59
60 import java.io.UnsupportedEncodingException  ;
61 import java.util.Hashtable ;
62
63 import org.enhydra.apache.xerces.utils.Base64;
64
65
73 public class Base64BinaryDatatypeValidator extends AbstractStringValidator{
74
75
76
77 public Base64BinaryDatatypeValidator () throws InvalidDatatypeFacetException{
78 super( null, null, false );
80 }
81
82 public Base64BinaryDatatypeValidator ( DatatypeValidator base, Hashtable facets,
83 boolean derivedByList ) throws InvalidDatatypeFacetException {
84
85 super (base, facets, derivedByList);
86 }
87
88 protected void assignAdditionalFacets(String key, Hashtable facets) throws InvalidDatatypeFacetException{
89 throw new InvalidDatatypeFacetException( getErrorString(DatatypeMessageProvider.ILLEGAL_STRING_FACET,
90 DatatypeMessageProvider.MSG_NONE, new Object [] { key }));
91 }
92
93
94 protected void checkValueSpace (String content) throws InvalidDatatypeValueException {
95 if (getLength( content) < 0) {
96 throw new InvalidDatatypeValueException( "Value '"+content+"' is not encoded in Base64" );
97 }
98 }
99
100 protected int getLength( String content) {
101 int x = 0;
102 try {
103 x = Base64.getDecodedDataLength(content.getBytes("utf-8"));
104 }
105 catch (UnsupportedEncodingException e) {}
106 return x;
107 }
108
109 public int compare( String value1, String value2 ){
110 if (value1 == null || value2 == null)
111 return -1;
112
113 if (value1 == value2 || value1.equals(value2))
114 return 0;
115
116 byte[] data1=Base64.decode(value1.getBytes());
117 byte[] data2=Base64.decode(value2.getBytes());
118
119 if (data1 == null || data2 == null)
120 return -1;
121
122 for (int i = 0; i < Math.min(data1.length, data2.length); i++)
123 if (data1[i] < data2[i])
124 return -1;
125 else if (data1[i] > data2[i])
126 return 1;
127
128 if (data1.length == data2.length)
129 return 0;
130
131 return data1.length > data2.length ? 1 : -1;
132 }
133 }
134 |
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