| /* |
| * 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.scoping; |
| |
| import com.google.eclipse.protobuf.protobuf.Import; |
| import com.google.eclipse.protobuf.scoping.IImportResolver.NullImportResolver; |
| import com.google.inject.ImplementedBy; |
| |
| /** |
| * Resolves "import" URIs. |
| * |
| * @author alruiz@google.com (Alex Ruiz) |
| */ |
| @ImplementedBy(NullImportResolver.class) |
| public interface IImportResolver { |
| /** |
| * Returns the resolved path of the given {@code Import} or {@code null} if the path cannot be |
| * resolved. |
| * |
| * @param anImport the given {@code Import}. |
| */ |
| String resolve(Import anImport); |
| |
| /** |
| * Invalidates any cached results for the resolution of the given import. |
| */ |
| void invalidateCacheFor(Import anImport); |
| |
| class NullImportResolver implements IImportResolver { |
| @Override public String resolve(Import anImport) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void invalidateCacheFor(Import anImport) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |