org.milyn.javabean.decoders.BooleanDecoder Maven / Gradle / Ivy
/*
Milyn - Copyright (C) 2006 - 2010
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License (version 2.1) as published by the Free Software
Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details:
http://www.gnu.org/licenses/lgpl.txt
*/
package org.milyn.javabean.decoders;
import java.util.Arrays;
import java.util.List;
import org.milyn.javabean.DataDecodeException;
import org.milyn.javabean.DataDecoder;
import org.milyn.javabean.DecodeType;
/**
* Boolean decoder.
*
* @author [email protected]
*/
@DecodeType({Boolean.class, boolean.class})
public class BooleanDecoder implements DataDecoder {
private static List trueValues = Arrays.asList("y", "yes", "true", "1");
private static List falseValues = Arrays.asList("n", "no", "false", "0");
public Object decode(String data) throws DataDecodeException {
if(trueValues.contains(data.trim().toLowerCase())) {
return Boolean.TRUE;
} else if(falseValues.contains(data.trim().toLowerCase())) {
return Boolean.FALSE;
}
try {
return Boolean.parseBoolean(data.trim());
} catch(NumberFormatException e) {
throw new DataDecodeException("Failed to decode Boolean value '" + data + "'.", e);
}
}
}