| /* |
| * Copyright (c) 2012, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html |
| * |
| * 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.dart.engine.source; |
| |
| import java.net.URI; |
| |
| /** |
| * The abstract class {@code UriResolver} defines the behavior of objects that are used to resolve |
| * URI's for a source factory. Subclasses of this class are expected to resolve a single scheme of |
| * absolute URI. |
| * |
| * @coverage dart.engine.source |
| */ |
| public abstract class UriResolver { |
| /** |
| * Initialize a newly created resolver. |
| */ |
| public UriResolver() { |
| super(); |
| } |
| |
| /** |
| * Resolve the given absolute URI. Return a {@link Source source} representing the file to which |
| * it was resolved, whether or not the resulting source exists, or {@code null} if it could not be |
| * resolved because the URI is invalid. |
| * |
| * @param uri the URI to be resolved |
| * @return a {@link Source source} representing the file to which given URI was resolved |
| */ |
| public abstract Source resolveAbsolute(URI uri); |
| |
| /** |
| * Return an absolute URI that represents the given source, or {@code null} if a valid URI cannot |
| * be computed. |
| * |
| * @param source the source to get URI for |
| * @return the absolute URI representing the given source |
| */ |
| public URI restoreAbsolute(Source source) { |
| return null; |
| } |
| } |