Java tutorial
/* Copyright 2016 Google Inc * * 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 com.google.api.codegen; import com.google.api.codegen.util.CommonAcronyms; import com.google.common.base.CaseFormat; import java.util.Map; /** Some static utility methods. */ public class LanguageUtil { public static String getRename(String name, Map<String, String> map) { String rename = map.get(name); if (rename != null) { return rename; } else { return name; } } public static String getTODO() { return "TODO:"; } public static String upperCamelToUpperUnderscore(String name) { name = CommonAcronyms.camelizeUpperAcronyms(name); return CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, name); } public static String upperCamelToLowerCamel(String name) { name = CommonAcronyms.camelizeUpperAcronyms(name); return CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, name); } public static String upperCamelToLowerUnderscore(String name) { name = CommonAcronyms.camelizeUpperAcronyms(name); return CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, name); } public static String upperUnderscoreToUpperCamel(String name) { return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, name); } public static String lowerUnderscoreToUpperUnderscore(String name) { return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.UPPER_UNDERSCORE, name); } public static String lowerUnderscoreToUpperCamel(String name) { return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, name); } public static String lowerUnderscoreToLowerCamel(String name) { return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, name); } public static String lowerCamelToUpperCamel(String name) { return CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, name); } public static String lowerCamelToLowerUnderscore(String name) { return CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, name); } public static String lowerCamelToUpperUnderscore(String name) { return CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_UNDERSCORE, name); } }