org.apache.juneau.PropertyNamerDLC Maven / Gradle / Ivy
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// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file *
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// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance *
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// * *
// * 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 *
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// ***************************************************************************************************************************
package org.apache.juneau;
/**
* Converts property names to dashed-lower-case format.
*
* Examples:
*
* "fooBar" -> "foo-bar"
* "fooBarURL" -> "foo-bar-url"
* "FooBarURL" -> "foo-bar-url"
*
*/
public final class PropertyNamerDLC implements PropertyNamer {
@Override /* PropertyNamer */
public String getPropertyName(String name) {
if (name == null || name.isEmpty())
return name;
int numUCs = 0;
boolean isPrevUC = Character.isUpperCase(name.charAt(0));
for (int i = 1; i < name.length(); i++) {
char c = name.charAt(i);
if (Character.isUpperCase(c)) {
if (! isPrevUC)
numUCs++;
isPrevUC = true;
} else {
isPrevUC = false;
}
}
char[] name2 = new char[name.length() + numUCs];
isPrevUC = Character.isUpperCase(name.charAt(0));
name2[0] = Character.toLowerCase(name.charAt(0));
int ni = 0;
for (int i = 0; i < name.length(); i++) {
char c = name.charAt(i);
if (Character.isUpperCase(c)) {
if (! isPrevUC)
name2[ni++] = '-';
isPrevUC = true;
name2[ni++] = Character.toLowerCase(c);
} else {
isPrevUC = false;
name2[ni++] = c;
}
}
return new String(name2);
}
}