/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jena.datatypes.xsd;
import java.util.Arrays ;
import org.apache.jena.graph.impl.LiteralLabel ;
/** Root class for XSD datatypes with binary values, xsd:hexBinary and xsd:base64Binary.
* The binary value is stored as a byte[] in the LiteralLabel.
*/
public abstract class XSDbinary extends XSDDatatype {
/**
* @param typeName the name of the XSD type to be instantiated, this is
* used to lookup a type definition from the Xerces schema factory.
*/
protected XSDbinary(String typeName, boolean register) {
super(typeName, register ? byte[].class : null );
}
/**
* Test whether the given object is a legal value form
* of this datatype. Brute force implementation.
*/
@Override
public boolean isValidValue(Object valueForm) {
return (valueForm instanceof byte[]);
}
/**
* Compares two instances of values of the given datatype.
*/
@Override
public boolean isEqual(LiteralLabel value1, LiteralLabel value2) {
return value1.getDatatype() == value2.getDatatype()
&& Arrays.equals((byte[])value1.getValue(), (byte[])value2.getValue());
// && value1.getLexicalForm().equals(value2.getLexicalForm()); // bug tracking, not real code
}
@Override
public int getHashCode( LiteralLabel lit )
{
if ( lit.isWellFormed() )
return Arrays.hashCode((byte []) lit.getValue()) ;
else
return lit.getLexicalForm().hashCode() ;
}
}