/*
* Copyright (c) 2013-2015 Josef Hardi <josef.hardi@gmail.com>
*
* Licensed 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 com.obidea.semantika.datatype.primitive;
import javax.xml.bind.DatatypeConverter;
import com.obidea.semantika.datatype.AbstractXmlType;
import com.obidea.semantika.datatype.DataType;
import com.obidea.semantika.datatype.DataTypeConstants;
import com.obidea.semantika.datatype.IDatatype;
import com.obidea.semantika.datatype.exception.InvalidLexicalFormException;
/**
* Singleton implementation of <code>xsd:float</code> datatype.
*/
public class XsdFloat extends AbstractXmlType<Float>
{
private static final XsdFloat mInstance;
static {
mInstance = new XsdFloat();
}
/**
* Private constructor forces use of {@link #getInstance()}
*/
private XsdFloat()
{
super(DataType.FLOAT);
}
public static XsdFloat getInstance()
{
return mInstance;
}
@Override
public IDatatype<?> getPrimitiveDatatype()
{
return this;
}
@Override
public Float getValue(String lexicalForm)
{
try {
return DatatypeConverter.parseFloat(lexicalForm);
}
catch (NumberFormatException e) {
throw new InvalidLexicalFormException(getName(), lexicalForm);
}
}
@Override
public boolean isPrimitive()
{
return true;
}
@Override
public int getType()
{
return DataTypeConstants.FLOAT;
}
@Override
public String toString()
{
return "xsd:float"; //$NON-NLS-1$
}
}