| /* |
| * Copyright (c) 2014 Google Inc. |
| * |
| * All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse |
| * Public License v1.0 which accompanies this distribution, and is available at |
| * |
| * http://www.eclipse.org/legal/epl-v10.html |
| */ |
| package com.google.eclipse.protobuf.model.util; |
| |
| import static com.google.common.collect.Sets.newHashSet; |
| import static org.eclipse.xtext.EcoreUtil2.getAllContentsOfType; |
| |
| import com.google.eclipse.protobuf.protobuf.Message; |
| import com.google.eclipse.protobuf.protobuf.Protobuf; |
| import com.google.eclipse.protobuf.protobuf.TypeExtension; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| /** |
| * Utility methods related to <code>{@link Message}</code>s. |
| * |
| * @author alruiz@google.com (Alex Ruiz) |
| */ |
| @Singleton public class Messages { |
| @Inject private ModelObjects modelObjects; |
| @Inject private TypeExtensions typeExtensions; |
| |
| /** |
| * Returns all the extensions of the given message declared in the same file as the message. |
| * @param message the given message. |
| * @return all the extensions of the given message declared in the same file as the message, or an empty collection if |
| * none are found. |
| */ |
| public Collection<TypeExtension> localExtensionsOf(Message message) { |
| return extensionsOf(message, modelObjects.rootOf(message)); |
| } |
| |
| public Collection<TypeExtension> extensionsOf(Message message, Protobuf root) { |
| Set<TypeExtension> extensions = newHashSet(); |
| for (TypeExtension extension : getAllContentsOfType(root, TypeExtension.class)) { |
| Message referred = typeExtensions.messageFrom(extension); |
| if (message.equals(referred)) { |
| extensions.add(extension); |
| } |
| } |
| return extensions; |
| } |
| } |