001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau; 014 015/** 016 * Converts property names to dashed-lower-case format. 017 * 018 * <h5 class='section'>Example:</h5> 019 * <ul> 020 * <li><js>"fooBar"</js> -> <js>"foo-bar"</js> 021 * <li><js>"fooBarURL"</js> -> <js>"foo-bar-url"</js> 022 * <li><js>"FooBarURL"</js> -> <js>"foo-bar-url"</js> 023 * </ul> 024 */ 025public final class PropertyNamerDLC implements PropertyNamer { 026 027 @Override /* PropertyNamer */ 028 public String getPropertyName(String name) { 029 if (name == null || name.isEmpty()) 030 return name; 031 032 int numUCs = 0; 033 boolean isPrevUC = Character.isUpperCase(name.charAt(0)); 034 for (int i = 1; i < name.length(); i++) { 035 char c = name.charAt(i); 036 if (Character.isUpperCase(c)) { 037 if (! isPrevUC) 038 numUCs++; 039 isPrevUC = true; 040 } else { 041 isPrevUC = false; 042 } 043 } 044 045 char[] name2 = new char[name.length() + numUCs]; 046 isPrevUC = Character.isUpperCase(name.charAt(0)); 047 name2[0] = Character.toLowerCase(name.charAt(0)); 048 int ni = 0; 049 for (int i = 0; i < name.length(); i++) { 050 char c = name.charAt(i); 051 if (Character.isUpperCase(c)) { 052 if (! isPrevUC) 053 name2[ni++] = '-'; 054 isPrevUC = true; 055 name2[ni++] = Character.toLowerCase(c); 056 } else { 057 isPrevUC = false; 058 name2[ni++] = c; 059 } 060 } 061 062 return new String(name2); 063 } 064}