org.springframework.boot.context.properties.bind.DataObjectPropertyName Maven / Gradle / Ivy
/*
* Copyright 2012-2020 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 data object property names.
*
* @author Phillip Webb
* @author Madhura Bhave
* @since 2.2.3
* @see DataObjectBinder
*/
public abstract class DataObjectPropertyName {
private DataObjectPropertyName() {
}
/**
* 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) {
StringBuilder result = new StringBuilder(name.length());
boolean inIndex = false;
for (int i = 0; i < name.length(); i++) {
char ch = name.charAt(i);
if (inIndex) {
result.append(ch);
if (ch == ']') {
inIndex = false;
}
}
else {
if (ch == '[') {
inIndex = true;
result.append(ch);
}
else {
ch = (ch != '_') ? ch : '-';
if (Character.isUpperCase(ch) && result.length() > 0 && result.charAt(result.length() - 1) != '-') {
result.append('-');
}
result.append(Character.toLowerCase(ch));
}
}
}
return result.toString();
}
}