org.apache.wicket.util.convert.converter.BigDecimalConverter Maven / Gradle / Ivy
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A module that creates a .jar from the classes in wicket, wicket-util and wicket-request modules in order
to create a valid OSGi bundle of the wicket framework.
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/*
* 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.wicket.util.convert.converter;
import java.math.BigDecimal;
import java.util.Locale;
import org.apache.wicket.util.string.Strings;
/**
* BigDecimal converter
*
* see IConverter
*/
public class BigDecimalConverter extends AbstractDecimalConverter
{
private static final long serialVersionUID = 1L;
@Override
protected Class getTargetType()
{
return BigDecimal.class;
}
public BigDecimal convertToObject(final String value, final Locale locale)
{
if (Strings.isEmpty(value))
{
return null;
}
final Number number = parse(value, -Double.MAX_VALUE, Double.MAX_VALUE, locale);
if (number instanceof BigDecimal)
{
return (BigDecimal)number;
}
else if (number instanceof Double)
{
// See link why the String is preferred for doubles
// http://java.sun.com/j2se/1.4.2/docs/api/java/math/BigDecimal.html#BigDecimal%28double%29
return new BigDecimal(Double.toString(number.doubleValue()));
}
else if (number instanceof Long)
{
return new BigDecimal(number.longValue());
}
else if (number instanceof Float)
{
return new BigDecimal(number.floatValue());
}
else if (number instanceof Integer)
{
return new BigDecimal(number.intValue());
}
else
{
return new BigDecimal(value);
}
}
}
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