| /* |
| * Copyright (c) 2014, 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.io.File; |
| import java.net.URI; |
| |
| /** |
| * Instances of the class {@code JavaUriResolver} resolve {@code java} URI's. |
| * |
| * @coverage dart.engine.source |
| */ |
| public class JavaUriResolver extends UriResolver { |
| /** |
| * The name of the {@code java} scheme. |
| */ |
| public static final String JAVA_SCHEME = "java"; |
| |
| /** |
| * Return {@code true} if the given URI is a {@code java} URI. |
| * |
| * @param uri the URI being tested |
| * @return {@code true} if the given URI is a {@code java} URI |
| */ |
| public static boolean isJavaUri(URI uri) { |
| String scheme = uri.getScheme(); |
| return JAVA_SCHEME.equals(scheme); |
| } |
| |
| private final File[] roots; |
| |
| /** |
| * Initialize a newly created resolver to resolve {@code java} URI's relative to one of the given |
| * root directories. |
| */ |
| public JavaUriResolver(File... roots) { |
| this.roots = roots; |
| } |
| |
| @Override |
| public Source resolveAbsolute(URI uri) { |
| if (!isJavaUri(uri)) { |
| return null; |
| } |
| String path = uri.getSchemeSpecificPart(); |
| path = path.replace('.', '/') + ".dart"; |
| for (File root : roots) { |
| File file = new File(root, path); |
| if (file.isFile()) { |
| return new FileBasedSource(uri, file); |
| } |
| } |
| return new NonExistingSource(path, UriKind.JAVA_URI); |
| } |
| } |