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/*
 * 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.DateCellProcessor;
import org.supercsv.cellprocessor.ift.DoubleCellProcessor;
import org.supercsv.cellprocessor.ift.LongCellProcessor;
import org.supercsv.cellprocessor.ift.StringCellProcessor;
import org.supercsv.exception.SuperCsvCellProcessorException;
import org.supercsv.util.CsvContext;

/**
 * Ensure that Strings or String-representations of objects are trimmed (contain no surrounding whitespace).
 * 

* Prior to 2.0.0, this processor truncated Strings - this functionality can now be found in the {@link Truncate} * processor. * * @author James Bassett */ public class Trim extends CellProcessorAdaptor implements BoolCellProcessor, DateCellProcessor, DoubleCellProcessor, LongCellProcessor, StringCellProcessor { /** * Constructs a new Trim processor, which trims a String to ensure it has no surrounding whitespace. */ public Trim() { super(); } /** * Constructs a new Trim processor, which trims a String to ensure it has no surrounding whitespace then * calls the next processor in the chain. * * @param next * the next processor in the chain * @throws NullPointerException * if next is null */ public Trim(final StringCellProcessor next) { super(next); } /** * {@inheritDoc} * * @throws SuperCsvCellProcessorException * if value is null */ public Object execute(final Object value, final CsvContext context) { validateInputNotNull(value, context); final String result = value.toString().trim(); return next.execute(result, context); } }





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