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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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 org.databene.commons.format;
import java.text.DecimalFormat;
import java.text.FieldPosition;
import java.text.Format;
import java.text.ParsePosition;
/**
* Thread-safe, concurrent wrapper of Java's {@link DecimalFormat} class.
* Created: 12.10.2010 17:47:35
* @since 0.5.4
* @author Volker Bergmann
*/
public class ConcurrentDecimalFormat extends Format {
private static final long serialVersionUID = 7100542444272244206L;
private ThreadLocal format;
public ConcurrentDecimalFormat(final String pattern) {
format = new ThreadLocal() {
@Override
protected DecimalFormat initialValue() {
return new DecimalFormat(pattern);
}
};
}
@Override
public StringBuffer format(Object number, StringBuffer toAppendTo, FieldPosition pos) {
return format.get().format(number, toAppendTo, pos);
}
@Override
public Object parseObject(String source, ParsePosition pos) {
return format.get().parseObject(source, pos);
}
}