| /* |
| * Copyright (c) 2011 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.scoping; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.xtext.scoping.impl.ImportUriResolver; |
| |
| import com.google.eclipse.protobuf.protobuf.Import; |
| import com.google.inject.Inject; |
| |
| /** |
| * This implementation mimics how protoc understands URIs of imported files. For example, the URI |
| * "platform:/resource/proto1.proto" is understood by EMF but not by protoc. The URI in the proto file needs to be |
| * simply "proto1.proto" for protoc to understand it. |
| * <p> |
| * This {@link ImportUriResolver} adds "platform:/resource" to any URI if is not specified, so EMF can find the imported |
| * resource. |
| * </p> |
| * |
| * @author alruiz@google.com (Alex Ruiz) |
| */ |
| public class ProtobufImportUriResolver extends ImportUriResolver { |
| @Inject private IImportResolver delegate; |
| |
| /** |
| * If the given {@code EObject} is a <code>{@link Import}</code>, this method will add "platform:/resource" to the URI |
| * of such import if not specified already. |
| * @param from the given element to resolve. |
| * @return the {@code String} representation of the given object's {@code URI}. |
| */ |
| @Override public String apply(EObject from) { |
| if (from instanceof Import) { |
| Import anImport = (Import) from; |
| delegate.resolveAndUpdateUri(anImport); |
| } |
| return super.apply(from); |
| } |
| } |