1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.tools.layoutlib.create; 18 19import java.io.IOException; 20import java.util.ArrayList; 21import java.util.List; 22import java.util.Map; 23import java.util.Set; 24 25 26/** 27 * Entry point for the layoutlib_create tool. 28 * <p/> 29 * The tool does not currently rely on any external configuration file. 30 * Instead the configuration is mostly done via the {@link CreateInfo} class. 31 * <p/> 32 * For a complete description of the tool and its implementation, please refer to 33 * the "README.txt" file at the root of this project. 34 * <p/> 35 * For a quick test, invoke this as follows: 36 * <pre> 37 * $ make layoutlib 38 * </pre> 39 * which does: 40 * <pre> 41 * $ make layoutlib_create <bunch of framework jars> 42 * $ java -jar out/host/linux-x86/framework/layoutlib_create.jar \ 43 * out/host/common/obj/JAVA_LIBRARIES/temp_layoutlib_intermediates/javalib.jar \ 44 * out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes.jar \ 45 * out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes.jar 46 * </pre> 47 */ 48public class Main { 49 50 public static class Options { 51 public boolean listAllDeps = false; 52 public boolean listOnlyMissingDeps = false; 53 } 54 55 public static final Options sOptions = new Options(); 56 57 public static void main(String[] args) { 58 59 Log log = new Log(); 60 61 ArrayList<String> osJarPath = new ArrayList<String>(); 62 String[] osDestJar = { null }; 63 64 if (!processArgs(log, args, osJarPath, osDestJar)) { 65 log.error("Usage: layoutlib_create [-v] output.jar input.jar ..."); 66 log.error("Usage: layoutlib_create [-v] [--list-deps|--missing-deps] input.jar ..."); 67 System.exit(1); 68 } 69 70 if (sOptions.listAllDeps || sOptions.listOnlyMissingDeps) { 71 System.exit(listDeps(osJarPath, log)); 72 73 } else { 74 System.exit(createLayoutLib(osDestJar[0], osJarPath, log)); 75 } 76 77 78 System.exit(1); 79 } 80 81 private static int createLayoutLib(String osDestJar, ArrayList<String> osJarPath, Log log) { 82 log.info("Output: %1$s", osDestJar); 83 for (String path : osJarPath) { 84 log.info("Input : %1$s", path); 85 } 86 87 try { 88 CreateInfo info = new CreateInfo(); 89 Set<String> excludeClasses = info.getExcludedClasses(); 90 AsmGenerator agen = new AsmGenerator(log, osDestJar, info); 91 92 AsmAnalyzer aa = new AsmAnalyzer(log, osJarPath, agen, 93 new String[] { // derived from 94 "android.view.View", 95 "android.app.Fragment" 96 }, 97 new String[] { // include classes 98 "android.*", // for android.R 99 "android.util.*", 100 "com.android.internal.util.*", 101 "android.view.*", 102 "android.widget.*", 103 "com.android.internal.widget.*", 104 "android.text.**", 105 "android.graphics.*", 106 "android.graphics.drawable.**", 107 "android.content.*", 108 "android.content.res.*", 109 "android.preference.*", 110 "org.apache.harmony.xml.*", 111 "com.android.internal.R**", 112 "android.pim.*", // for datepicker 113 "android.os.*", // for android.os.Handler 114 "android.database.ContentObserver", // for Digital clock 115 "com.android.i18n.phonenumbers.*", // for TextView with autolink attribute 116 "android.app.DatePickerDialog", // b.android.com/28318 117 "android.app.TimePickerDialog", // b.android.com/61515 118 "com.android.internal.view.menu.ActionMenu", 119 "android.icu.**", // needed by LayoutLib 120 "android.annotation.NonNull", // annotations 121 "android.annotation.Nullable", // annotations 122 "com.android.internal.transition.EpicenterTranslateClipReveal", 123 }, 124 excludeClasses, 125 new String[] { 126 "com/android/i18n/phonenumbers/data/*", 127 "android/icu/impl/data/**" 128 }); 129 aa.analyze(); 130 agen.generate(); 131 132 // Throw an error if any class failed to get renamed by the generator 133 // 134 // IMPORTANT: if you're building the platform and you get this error message, 135 // it means the renameClasses[] array in AsmGenerator needs to be updated: some 136 // class should have been renamed but it was not found in the input JAR files. 137 Set<String> notRenamed = agen.getClassesNotRenamed(); 138 if (notRenamed.size() > 0) { 139 // (80-column guide below for error formatting) 140 // 01234567890123456789012345678901234567890123456789012345678901234567890123456789 141 log.error( 142 "ERROR when running layoutlib_create: the following classes are referenced\n" + 143 "by tools/layoutlib/create but were not actually found in the input JAR files.\n" + 144 "This may be due to some platform classes having been renamed."); 145 for (String fqcn : notRenamed) { 146 log.error("- Class not found: %s", fqcn.replace('/', '.')); 147 } 148 for (String path : osJarPath) { 149 log.info("- Input JAR : %1$s", path); 150 } 151 return 1; 152 } 153 154 return 0; 155 } catch (IOException e) { 156 log.exception(e, "Failed to load jar"); 157 } catch (LogAbortException e) { 158 e.error(log); 159 } 160 161 return 1; 162 } 163 164 private static int listDeps(ArrayList<String> osJarPath, Log log) { 165 DependencyFinder df = new DependencyFinder(log); 166 try { 167 List<Map<String, Set<String>>> result = df.findDeps(osJarPath); 168 if (sOptions.listAllDeps) { 169 df.printAllDeps(result); 170 } else if (sOptions.listOnlyMissingDeps) { 171 df.printMissingDeps(result); 172 } 173 } catch (IOException e) { 174 log.exception(e, "Failed to load jar"); 175 } 176 177 return 0; 178 } 179 180 /** 181 * Returns true if args where properly parsed. 182 * Returns false if program should exit with command-line usage. 183 * <p/> 184 * Note: the String[0] is an output parameter wrapped in an array, since there is no 185 * "out" parameter support. 186 */ 187 private static boolean processArgs(Log log, String[] args, 188 ArrayList<String> osJarPath, String[] osDestJar) { 189 boolean needs_dest = true; 190 for (String s : args) { 191 if (s.equals("-v")) { 192 log.setVerbose(true); 193 } else if (s.equals("--list-deps")) { 194 sOptions.listAllDeps = true; 195 needs_dest = false; 196 } else if (s.equals("--missing-deps")) { 197 sOptions.listOnlyMissingDeps = true; 198 needs_dest = false; 199 } else if (!s.startsWith("-")) { 200 if (needs_dest && osDestJar[0] == null) { 201 osDestJar[0] = s; 202 } else { 203 osJarPath.add(s); 204 } 205 } else { 206 log.error("Unknown argument: %s", s); 207 return false; 208 } 209 } 210 211 if (osJarPath.isEmpty()) { 212 log.error("Missing parameter: path to input jar"); 213 return false; 214 } 215 if (needs_dest && osDestJar[0] == null) { 216 log.error("Missing parameter: path to output jar"); 217 return false; 218 } 219 220 return true; 221 } 222} 223