| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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 vogar; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Map; |
| |
| /** |
| * Handles finding actions to perform, given files and classes. |
| */ |
| public final class ActionFinder { |
| private final Log log; |
| private final Map<String, Action> actions; |
| private final Map<String, Outcome> outcomes; |
| |
| public ActionFinder(Log log, Map<String, Action> actions, Map<String, Outcome> outcomes) { |
| this.log = log; |
| this.actions = actions; |
| this.outcomes = outcomes; |
| } |
| |
| public void findActions(File file) { |
| findActionsRecursive(file, 0); |
| } |
| |
| private void findActionsRecursive(File file, int depth) { |
| if (file.isDirectory()) { |
| int size = actions.size(); |
| for (File child : file.listFiles()) { |
| findActionsRecursive(child, depth + 1); |
| } |
| if (depth < 3) { |
| log.verbose("found " + (actions.size() - size) + " actions in " + file); |
| } |
| return; |
| } |
| |
| // Don't try to treat this file as a class unless it resembles a .java file |
| if (!matches(file)) { |
| return; |
| } |
| |
| try { |
| Action action = fileToAction(file); |
| actions.put(action.getName(), action); |
| } catch (IllegalArgumentException e) { |
| String actionName = Action.nameForJavaFile(file); |
| Action action = new Action(actionName, null, null, null, file); |
| actions.put(actionName, action); |
| outcomes.put(actionName, new Outcome(actionName, Result.UNSUPPORTED, e)); |
| } |
| } |
| |
| private boolean matches(File file) { |
| return !file.getName().startsWith(".") && file.getName().endsWith(".java"); |
| } |
| |
| /** |
| * Returns an action for the given .java file. |
| */ |
| private Action fileToAction(File javaFile) { |
| try { |
| DotJavaFile dotJavaFile = DotJavaFile.parse(javaFile); |
| File resourcesDir = dotJavaFile.isJtreg() ? javaFile.getParentFile() : null; |
| return new Action(dotJavaFile.getActionName(), dotJavaFile.getClassName(), resourcesDir, |
| getSourcePath(javaFile, dotJavaFile.getClassName()), javaFile); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| /** |
| * Returns the source path of {@code file}. |
| */ |
| private File getSourcePath(File file, String className) { |
| String path = file.getPath(); |
| String relativePath = className.replace('.', File.separatorChar) + ".java"; |
| if (!path.endsWith(relativePath)) { |
| throw new IllegalArgumentException("Expected a file ending in " + relativePath + " but found " + path); |
| } |
| return new File(path.substring(0, path.length() - relativePath.length())); |
| } |
| } |