| /* |
| * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package com.apple.internal.jobjc.generator; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import com.apple.internal.jobjc.generator.model.Category; |
| import com.apple.internal.jobjc.generator.model.Clazz; |
| import com.apple.internal.jobjc.generator.model.Framework; |
| |
| public class ClassConsolidator { |
| private static String[] PREFERRED_FRAMEWORKS = { "Foundation", "AppKit" }; |
| |
| static void consolidateClassesForFrameworks(final List<Framework> frameworks) throws Throwable { |
| System.out.println("--2-- Resolving duplicate classes:"); |
| final Map<String, List<Clazz>> allClasses = new HashMap<String, List<Clazz>>(); |
| |
| for (final Framework framework : frameworks) { |
| for (final Clazz clazz : framework.classes) { |
| final List<Clazz> existingClazzList = allClasses.get(clazz.name); |
| if(existingClazzList != null) |
| existingClazzList.add(clazz); |
| else |
| allClasses.put(clazz.name, new ArrayList<Clazz>(Arrays.asList(clazz))); |
| } |
| } |
| |
| final Map<String, Clazz> filteredClasses = new HashMap<String, Clazz>(); |
| final List<List<Clazz>> dreggs = new ArrayList<List<Clazz>>(); |
| |
| final Collection<List<Clazz>> clazzLists = allClasses.values(); |
| for (final List<Clazz> clazzList : clazzLists) { |
| if (clazzList.size() > 1) { |
| // add to the list for later analysis |
| dreggs.add(clazzList); |
| continue; |
| } |
| |
| // if there is only one class definition, go with it! |
| final Clazz clazz = clazzList.get(0); |
| filteredClasses.put(clazz.name, clazz); |
| } |
| |
| // figure out which class is the real class, and convert the rest to categories |
| for (final List<Clazz> dreg : dreggs) |
| deriveCategoriesFrom(dreg, filteredClasses); |
| |
| // patch up the inheritance hierarchy |
| System.out.println("Determining super classes:"); |
| for (final Framework framework : frameworks) |
| framework.resolveSuperClasses(filteredClasses); |
| } |
| |
| private static void deriveCategoriesFrom(final List<Clazz> clazzes, final Map<String, Clazz> filteredClasses) { |
| final List<Clazz> clazzesToDerive = new ArrayList<Clazz>(clazzes); |
| |
| for (final String preferredFrameworkName : PREFERRED_FRAMEWORKS) { |
| for (final Clazz clazz : clazzesToDerive) { |
| if (!preferredFrameworkName.equals(clazz.parent.name)) continue; |
| |
| System.out.print("\t" + clazz.parent.name + " owns \"" + clazz.name + "\", "); |
| addCategoriesAndPatchClasses(clazzes, clazz); |
| filteredClasses.put(clazz.name, clazz); |
| return; |
| } |
| } |
| |
| final List<String> frameworkNameList = new ArrayList<String>(clazzes.size()); |
| for (final Clazz clazz : clazzes) frameworkNameList.add(clazz.parent.name); |
| throw new RuntimeException("Could not derived a preferred framework for: " + clazzes.get(0).name + ", from (" + Utils.joinWComma(frameworkNameList) + ")"); |
| } |
| |
| private static void addCategoriesAndPatchClasses(final List<Clazz> clazzes, final Clazz clazz) { |
| final List<String> fwNames = new ArrayList<String>(clazzes.size()); |
| |
| for (final Clazz cls : clazzes) { |
| if (cls == clazz) continue; |
| fwNames.add(cls.parent.name); |
| cls.parent.classes.remove(cls); |
| cls.parent.categories.add(new Category(cls, clazz)); |
| } |
| |
| System.out.println("creating categories in: " + Utils.joinWComma(fwNames)); |
| } |
| } |