54 lines
2.1 KiB
Java
54 lines
2.1 KiB
Java
/**
|
|
* The MIT License
|
|
* Copyright © 2014-2019 Ilkka Seppälä
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
package com.iluwatar.pipeline;
|
|
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
/**
|
|
* Stage handler that returns a new instance of String without the alphabet characters of the input string.
|
|
*/
|
|
class RemoveAlphabetsHandler implements Handler<String, String> {
|
|
|
|
private final Logger logger = LoggerFactory.getLogger(RemoveAlphabetsHandler.class);
|
|
|
|
@Override
|
|
public String process(String input) {
|
|
StringBuilder inputWithoutAlphabets = new StringBuilder();
|
|
|
|
for (int index = 0; index < input.length(); index++) {
|
|
char currentCharacter = input.charAt(index);
|
|
if (Character.isAlphabetic(currentCharacter)) {
|
|
continue;
|
|
}
|
|
|
|
inputWithoutAlphabets.append(currentCharacter);
|
|
}
|
|
|
|
String inputWithoutAlphabetsStr = inputWithoutAlphabets.toString();
|
|
logger.info(String.format("Current handler: %s, input is %s of type %s, output is %s, of type %s",
|
|
RemoveAlphabetsHandler.class, input, String.class, inputWithoutAlphabetsStr, String.class));
|
|
|
|
return inputWithoutAlphabetsStr;
|
|
}
|
|
} |