org.springframework.boot.context.properties.bind.BeanPropertyName Maven / Gradle / Ivy
/*
* Copyright 2012-2017 the original author or authors.
*
* 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
*
* https://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.springframework.boot.context.properties.bind;
/**
* Internal utility to help when dealing with Java Bean property names.
*
* @author Phillip Webb
* @author Madhura Bhave
*/
abstract class BeanPropertyName {
private BeanPropertyName() {
}
/**
* Return the specified Java Bean property name in dashed form.
* @param name the source name
* @return the dashed from
*/
public static String toDashedForm(String name) {
return toDashedForm(name, 0);
}
/**
* Return the specified Java Bean property name in dashed form.
* @param name the source name
* @param start the starting char
* @return the dashed from
*/
public static String toDashedForm(String name, int start) {
StringBuilder result = new StringBuilder();
char[] chars = name.replace("_", "-").toCharArray();
for (int i = start; i < chars.length; i++) {
char ch = chars[i];
if (Character.isUpperCase(ch) && result.length() > 0
&& result.charAt(result.length() - 1) != '-') {
result.append("-");
}
result.append(Character.toLowerCase(ch));
}
return result.toString();
}
}