org.jsonschema2pojo.util.MakeUniqueClassName Maven / Gradle / Ivy
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/**
* Copyright © 2010-2020 Nokia
*
* 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.jsonschema2pojo.util;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MakeUniqueClassName {
private static final Pattern UNIQUE_NAMING_PATTERN = Pattern.compile("(^.+__)(\\d+)$");
/**
* When the class name is not unique we will use two underscore '__' and a digit representing the number of time
* this class was found
*/
public static String makeUnique(String className) {
final Matcher m = UNIQUE_NAMING_PATTERN.matcher(className);
if (m.matches()) {
// get the current number
final Integer number = Integer.parseInt(m.group(2));
// replace the current number in the string with the number +1
return m.group(1) + (number + 1);
} else {
return className + "__1";
}
}
}