| /* |
| * Copyright (C) 2009 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 com.android.mkstubs; |
| |
| import com.android.mkstubs.sourcer.ClassSourcer; |
| import com.android.mkstubs.sourcer.Output; |
| |
| import org.objectweb.asm.ClassReader; |
| import org.objectweb.asm.ClassVisitor; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| /** |
| * Given a set of already filtered classes, this filters out all private members and then |
| * generates the Java source for the remaining classes. |
| * <p/> |
| * This is an helper extracted for convenience. Callers just need to use |
| * {@link #generateSource(File, Map, Filter)}. |
| */ |
| class SourceGenerator { |
| |
| /** |
| * Generate source for the stubbed classes, mostly for debug purposes. |
| * @throws IOException |
| */ |
| public void generateSource(File baseDir, |
| Map<String, ClassReader> classes, |
| Filter filter) throws IOException { |
| |
| for (Entry<String, ClassReader> entry : classes.entrySet()) { |
| ClassReader cr = entry.getValue(); |
| |
| String name = classNameToJavaPath(cr.getClassName()); |
| |
| FileWriter fw = null; |
| try { |
| fw = createWriter(baseDir, name); |
| visitClassSource(fw, cr, filter); |
| } finally { |
| fw.close(); |
| } |
| } |
| } |
| |
| FileWriter createWriter(File baseDir, String name) throws IOException { |
| File f = new File(baseDir, name); |
| f.getParentFile().mkdirs(); |
| |
| System.out.println("Writing " + f.getPath()); |
| |
| return new FileWriter(f); |
| } |
| |
| /** |
| * Utility method that converts a fully qualified java name into a JAR entry path |
| * e.g. for the input "android.view.View" it returns "android/view/View.java" |
| */ |
| String classNameToJavaPath(String className) { |
| return className.replace('.', '/').concat(".java"); |
| } |
| |
| /** |
| * Generate a source equivalent to the stubbed version of the class reader, |
| * minus all exclusions |
| */ |
| void visitClassSource(Writer fw, ClassReader cr, Filter filter) { |
| System.out.println("Dump " + cr.getClassName()); |
| |
| ClassVisitor javaWriter = new ClassSourcer(new Output(fw)); |
| ClassVisitor classFilter = new FilterClassAdapter(javaWriter, filter); |
| cr.accept(classFilter, 0 /*flags*/); |
| } |
| |
| } |