/*
* Copyright 2007 Kasper B. Graversen
*
* 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.supercsv.cellprocessor;
import org.supercsv.cellprocessor.ift.BoolCellProcessor;
import org.supercsv.cellprocessor.ift.StringCellProcessor;
import org.supercsv.exception.SuperCsvCellProcessorException;
import org.supercsv.util.CsvContext;
/**
* Converts a Boolean into a formatted string. If you want to convert from a String to a Boolean, use the
* {@link ParseBool} processor.
*
* @since 1.50
* @author Dominique De Vito
*/
public class FmtBool extends CellProcessorAdaptor implements BoolCellProcessor {
private final String trueValue;
private final String falseValue;
/**
* Constructs a new <tt>FmtBool</tt> processor, which converts a Boolean into a formatted string.
*
* @param trueValue
* the String to use if the value is true
* @param falseValue
* the String to use if the value is false
*/
public FmtBool(final String trueValue, final String falseValue) {
super();
this.trueValue = trueValue;
this.falseValue = falseValue;
}
/**
* Constructs a new <tt>FmtBool</tt> processor, which converts a Boolean into a formatted string, then calls the
* next processor in the chain.
*
* @param trueValue
* the String to use if the value is true
* @param falseValue
* the String to use if the value is false
* @param next
* the next processor in the chain
* @throws NullPointerException
* if next is null
*/
public FmtBool(final String trueValue, final String falseValue, final StringCellProcessor next) {
super(next);
this.trueValue = trueValue;
this.falseValue = falseValue;
}
/**
* {@inheritDoc}
*
* @throws SuperCsvCellProcessorException
* if value is null or is not a Boolean
*/
public Object execute(final Object value, final CsvContext context) {
validateInputNotNull(value, context);
if( !(value instanceof Boolean) ) {
throw new SuperCsvCellProcessorException(Boolean.class, value, context, this);
}
final String result = ((Boolean) value).booleanValue() ? trueValue : falseValue;
return next.execute(result, context);
}
}
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