Java tutorial
/* * Copyright 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 * * 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 org.gradle.buildinit.plugins.internal.modifiers; import com.google.common.collect.ImmutableList; import org.gradle.api.GradleException; import org.gradle.internal.text.TreeFormatter; import javax.annotation.Nullable; import java.util.List; public enum BuildInitDsl { GROOVY(".gradle"), KOTLIN(".gradle.kts"); private final String fileExtension; BuildInitDsl(String fileExtension) { this.fileExtension = fileExtension; } public static BuildInitDsl fromName(@Nullable String name) { if (name == null) { return GROOVY; } for (BuildInitDsl language : values()) { if (language.getId().equals(name)) { return language; } } TreeFormatter formatter = new TreeFormatter(); formatter.node("The requested build script DSL '" + name + "' is not supported. Supported DSLs"); formatter.startChildren(); for (BuildInitDsl dsl : values()) { formatter.node("'" + dsl.getId() + "'"); } formatter.endChildren(); throw new GradleException(formatter.toString()); } public static List<String> listSupported() { ImmutableList.Builder<String> supported = ImmutableList.builder(); for (BuildInitDsl dsl : values()) { supported.add(dsl.getId()); } return supported.build(); } public String getId() { return name().toLowerCase(); } public String fileNameFor(String fileNameWithoutExtension) { return fileNameWithoutExtension + fileExtension; } @Override public String toString() { return getId(); } }