| /* |
| * Copyright 2017 The Bazel Authors. All rights reserved. |
| * |
| * 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.idea.blaze.java.sync.source; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.idea.blaze.base.ideinfo.ArtifactLocation; |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Set; |
| import java.util.function.Predicate; |
| import java.util.stream.Collectors; |
| |
| /** |
| * For languages similar to Java to reuse certain parts of the Java plugin. E.g., package prefix |
| * calculation. |
| */ |
| public interface JavaLikeLanguage { |
| ExtensionPointName<JavaLikeLanguage> EP_NAME = |
| ExtensionPointName.create("com.google.idea.blaze.JavaLikeLanguage"); |
| |
| static Predicate<ArtifactLocation> getSourceFileMatcher() { |
| final Set<String> fileExtensions = |
| Arrays.stream(EP_NAME.getExtensions()) |
| .map(JavaLikeLanguage::getFileExtensions) |
| .flatMap(Collection::stream) |
| .collect(Collectors.toSet()); |
| return artifactLocation -> |
| fileExtensions |
| .stream() |
| .anyMatch(extension -> artifactLocation.getRelativePath().endsWith(extension)); |
| } |
| |
| Set<String> getFileExtensions(); |
| |
| /** Java is itself a Java-like language. */ |
| class Java implements JavaLikeLanguage { |
| @Override |
| public Set<String> getFileExtensions() { |
| return ImmutableSet.of(".java"); |
| } |
| } |
| } |