| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.netbeans.nbbuild; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.Method; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Project; |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.types.Path; |
| import org.apache.tools.ant.util.FileUtils; |
| |
| public final class ProcessJsAnnotationsTask extends Task { |
| private File classes; |
| private Path cp; |
| private File asm; |
| |
| public ProcessJsAnnotationsTask() { |
| } |
| |
| public void setClasses(File f) { |
| classes = f; |
| } |
| |
| public void setAsm(File f) { |
| asm = f; |
| } |
| |
| public Path createClasspath() { |
| if (cp == null) { |
| cp = new Path(getProject()); |
| } |
| return cp.createPath(); |
| } |
| |
| @Override |
| public void execute() throws BuildException { |
| if (classes == null) { |
| throw new BuildException("root of classes must be specified!"); |
| } |
| File master = new File(new File(classes, "META-INF"), "net.java.html.js.classes"); |
| if (!master.exists()) { |
| return; |
| } |
| |
| LinkedList<URL> arr = new LinkedList<>(); |
| boolean foundAsm = false; |
| for (String s : cp.list()) { |
| final File f = FileUtils.getFileUtils().resolveFile(getProject().getBaseDir(), s); |
| if (f != null) { |
| if (f.getName().contains("asm")) { |
| foundAsm = true; |
| } |
| try { |
| arr.add(f.toURI().toURL()); |
| } catch (MalformedURLException ex) { |
| throw new IllegalStateException(ex); |
| } |
| } |
| } |
| if (!foundAsm) { |
| URL loc; |
| if (asm == null || !asm.exists()) { |
| throw new BuildException("Cannot find asm!"); |
| } |
| try { |
| loc = asm.toURI().toURL(); |
| } catch (MalformedURLException ex) { |
| throw new BuildException(ex); |
| } |
| arr.addFirst(loc); |
| } |
| try { |
| arr.addFirst(classes.toURI().toURL()); |
| URLClassLoader l = new URLClassLoader(arr.toArray(new URL[arr.size()])); |
| processClasses(l, master, classes); |
| } catch (IOException ex) { |
| throw new BuildException("Problem converting JavaScriptXXX annotations", ex); |
| } |
| } |
| |
| private void processClasses(ClassLoader l, File master, File f) throws IOException { |
| if (!f.exists()) { |
| return; |
| } |
| if (f.isDirectory()) { |
| boolean classes = new File(f, "net.java.html.js.classes").exists(); |
| File[] arr = f.listFiles(); |
| if (arr != null) { |
| for (File file : arr) { |
| if (classes || file.isDirectory()) { |
| processClasses(l, master, file); |
| } |
| } |
| } |
| return; |
| } |
| |
| if (!f.getName().endsWith(".class")) { |
| return; |
| } |
| |
| byte[] arr = new byte[(int)f.length()]; |
| try (FileInputStream is = new FileInputStream(f)) { |
| readArr(arr, is); |
| } |
| |
| byte[] newArr = null; |
| try { |
| Class<?> fnUtils = l.loadClass("org.netbeans.html.boot.impl.FnUtils"); |
| Method transform = fnUtils.getMethod("transform", byte[].class, ClassLoader.class); |
| |
| newArr = (byte[]) transform.invoke(null, arr, l); |
| if (newArr == null || newArr == arr) { |
| return; |
| } |
| filterClass(new File(f.getParentFile(), "net.java.html.js.classes"), f.getName()); |
| filterClass(master, f.getName()); |
| } catch (Exception ex) { |
| throw new BuildException("Can't process " + f, ex); |
| } |
| log("Processing " + f, Project.MSG_INFO); |
| writeArr(f, newArr); |
| } |
| |
| private void writeArr(File f, byte[] newArr) throws IOException, FileNotFoundException { |
| try (FileOutputStream os = new FileOutputStream(f)) { |
| os.write(newArr); |
| } |
| } |
| |
| private static void readArr(byte[] arr, InputStream is) throws IOException { |
| int off = 0; |
| while (off< arr.length) { |
| int read = is.read(arr, off, arr.length - off); |
| if (read == -1) { |
| break; |
| } |
| off += read; |
| } |
| } |
| |
| private static void filterClass(File f, String className) throws IOException { |
| if (!f.exists()) { |
| return; |
| } |
| if (className.endsWith(".class")) { |
| className = className.substring(0, className.length() - 6); |
| } |
| |
| List<String> arr = new ArrayList<>(); |
| boolean modified = false; |
| try (BufferedReader r = new BufferedReader(new FileReader(f))) { |
| for (;;) { |
| String line = r.readLine(); |
| if (line == null) { |
| break; |
| } |
| if (line.endsWith(className)) { |
| modified = true; |
| continue; |
| } |
| arr.add(line); |
| } |
| } |
| |
| if (modified) { |
| if (arr.isEmpty()) { |
| f.delete(); |
| } else { |
| try (FileWriter w = new FileWriter(f)) { |
| for (String l : arr) { |
| w.write(l); |
| w.write("\n"); |
| } |
| } |
| } |
| } |
| } |
| } |