| /* |
| * 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 org.apache.royale.compiler.tools.annotate; |
| |
| import java.io.*; |
| |
| public class AnnotateClass |
| { |
| public static class AnnotateClassDeleteException extends Exception |
| { |
| private static final long serialVersionUID = 1L; |
| |
| public AnnotateClassDeleteException(String s) |
| { |
| super(s); |
| } |
| } |
| |
| public static class AnnotateClassRenameException extends Exception |
| { |
| private static final long serialVersionUID = 1L; |
| |
| public AnnotateClassRenameException(String s) |
| { |
| super(s); |
| } |
| } |
| |
| public static void processFile(File file, String annotation) throws AnnotateClassDeleteException, AnnotateClassRenameException { |
| if(!file.exists()) { |
| System.out.println("Missing file: " + file.getPath()); |
| return; |
| } |
| try |
| { |
| // Prepare to read the file. |
| FileInputStream fileInputStream = new FileInputStream(file); |
| InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream); |
| BufferedReader bufferedReader = new BufferedReader(inputStreamReader); |
| |
| File tmpOutputFile = new File(file.getParentFile(), file.getName() + ".tmp"); |
| FileOutputStream fileOutputStream = new FileOutputStream(tmpOutputFile); |
| PrintStream outputStream = new PrintStream(fileOutputStream); |
| try |
| { |
| // Read it line-by-line. |
| String line; |
| boolean alreadyAnnotated = false; |
| while ((line = bufferedReader.readLine()) != null) |
| { |
| // If the class is already annotated, prevent us from doing it again. |
| if (line.contains(annotation)) { |
| alreadyAnnotated = true; |
| System.out.println("Annotation " + annotation + " already added to class: " + file.getPath()); |
| } |
| // If the line starts with "public class", output the annotation on the previous line. |
| if (!alreadyAnnotated && |
| (line.startsWith("public class") || line.startsWith("public interface"))) { |
| System.out.println("Adding " + annotation + " to class: " + file.getPath()); |
| outputStream.println(annotation); |
| } |
| outputStream.println(line); |
| } |
| } |
| finally |
| { |
| try { |
| bufferedReader.close(); |
| } catch(Exception e) { |
| // Ignore. |
| } |
| try { |
| outputStream.close(); |
| } catch(Exception e) { |
| // Ignore. |
| } |
| try { |
| fileOutputStream.close(); |
| } catch(Exception e) { |
| // Ignore. |
| } |
| } |
| |
| // Remove the original file. |
| if(!file.delete()) { |
| throw new AnnotateClassDeleteException("Error deleting original file at: " + file.getPath()); |
| } |
| |
| // Rename the temp file to the name of the original file. |
| if(!tmpOutputFile.renameTo(file)) { |
| throw new AnnotateClassRenameException("Error renaming the temp file from: " + tmpOutputFile.getPath() + |
| " to: " + file.getPath()); |
| } |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static void main(String[] args) |
| { |
| File f = new File(args[0]); |
| String annotation = args[1]; |
| try { |
| processFile(f, annotation); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| |
| } |
| } |