com.univocity.parsers.conversions.TrimConversion Maven / Gradle / Ivy
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univocity's open source parsers for processing different text formats using a consistent API
/*******************************************************************************
* Copyright 2014 uniVocity Software Pty Ltd
*
* 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 com.univocity.parsers.conversions;
/**
* Removes leading and trailing white spaces from an input String
*
* The {@link TrimConversion#revert(String)} implements the same behavior of {@link TrimConversion#execute(String)}. Null inputs produce null outputs.
*
* @author uniVocity Software Pty Ltd - [email protected]
*
*/
public class TrimConversion implements Conversion {
/**
* Removes leading and trailing white spaces from the input and returns the result.
* Equivalent to {@link TrimConversion#revert(String)}
* @param input the String to be trimmed
* @return the input String without leading and trailing white spaces, or null if the input is null.
*/
@Override
public String execute(String input) {
if (input == null) {
return null;
}
return input.trim();
}
/**
* Removes leading and trailing white spaces from the input and returns the result.
* Equivalent to {@link TrimConversion#execute(String)}
* @param input the String to be trimmed
* @return the input String without leading and trailing white spaces, or null if the input is null.
*/
@Override
public String revert(String input) {
return execute(input);
}
}