Main.java revision bc101806249eb883f89c4a770a8c27f9ac315837
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.Set; 22 23 24/** 25 * Entry point for the layoutlib_create tool. 26 * <p/> 27 * The tool does not currently rely on any external configuration file. 28 * Instead the configuration is mostly done via the {@link CreateInfo} class. 29 * <p/> 30 * For a complete description of the tool and its implementation, please refer to 31 * the "README.txt" file at the root of this project. 32 * <p/> 33 * For a quick test, invoke this as follows: 34 * <pre> 35 * $ make layoutlib 36 * </pre> 37 * which does: 38 * <pre> 39 * $ make layoutlib_create <bunch of framework jars> 40 * $ out/host/linux-x86/framework/bin/layoutlib_create \ 41 * out/host/common/obj/JAVA_LIBRARIES/temp_layoutlib_intermediates/javalib.jar \ 42 * out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes.jar \ 43 * out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes.jar 44 * </pre> 45 */ 46public class Main { 47 48 public static void main(String[] args) { 49 50 Log log = new Log(); 51 52 ArrayList<String> osJarPath = new ArrayList<String>(); 53 String[] osDestJar = { null }; 54 55 if (!processArgs(log, args, osJarPath, osDestJar)) { 56 log.error("Usage: layoutlib_create [-v] output.jar input.jar ..."); 57 System.exit(1); 58 } 59 60 log.info("Output: %1$s", osDestJar[0]); 61 for (String path : osJarPath) { 62 log.info("Input : %1$s", path); 63 } 64 65 try { 66 AsmGenerator agen = new AsmGenerator(log, osDestJar[0], new CreateInfo()); 67 68 AsmAnalyzer aa = new AsmAnalyzer(log, osJarPath, agen, 69 new String[] { "android.view.View" }, // derived from 70 new String[] { // include classes 71 "android.*", // for android.R 72 "android.util.*", 73 "com.android.internal.util.*", 74 "android.view.*", 75 "android.widget.*", 76 "com.android.internal.widget.*", 77 "android.text.**", 78 "android.graphics.*", 79 "android.graphics.drawable.*", 80 "android.content.*", 81 "android.content.res.*", 82 "org.apache.harmony.xml.*", 83 "com.android.internal.R**", 84 "android.pim.*", // for datepicker 85 "android.os.*", // for android.os.Handler 86 }); 87 aa.analyze(); 88 agen.generate(); 89 90 // Throw an error if any class failed to get renamed by the generator 91 // 92 // IMPORTANT: if you're building the platform and you get this error message, 93 // it means the renameClasses[] array in AsmGenerator needs to be updated: some 94 // class should have been renamed but it was not found in the input JAR files. 95 Set<String> notRenamed = agen.getClassesNotRenamed(); 96 if (notRenamed.size() > 0) { 97 // (80-column guide below for error formatting) 98 // 01234567890123456789012345678901234567890123456789012345678901234567890123456789 99 log.error( 100 "ERROR when running layoutlib_create: the following classes are referenced\n" + 101 "by tools/layoutlib/create but were not actually found in the input JAR files.\n" + 102 "This may be due to some platform classes having been renamed."); 103 for (String fqcn : notRenamed) { 104 log.error("- Class not found: %s", fqcn.replace('/', '.')); 105 } 106 for (String path : osJarPath) { 107 log.info("- Input JAR : %1$s", path); 108 } 109 System.exit(1); 110 } 111 112 System.exit(0); 113 } catch (IOException e) { 114 log.exception(e, "Failed to load jar"); 115 } catch (LogAbortException e) { 116 e.error(log); 117 } 118 119 System.exit(1); 120 } 121 122 /** 123 * Returns true if args where properly parsed. 124 * Returns false if program should exit with command-line usage. 125 * <p/> 126 * Note: the String[0] is an output parameter wrapped in an array, since there is no 127 * "out" parameter support. 128 */ 129 private static boolean processArgs(Log log, String[] args, 130 ArrayList<String> osJarPath, String[] osDestJar) { 131 for (int i = 0; i < args.length; i++) { 132 String s = args[i]; 133 if (s.equals("-v")) { 134 log.setVerbose(true); 135 } else if (!s.startsWith("-")) { 136 if (osDestJar[0] == null) { 137 osDestJar[0] = s; 138 } else { 139 osJarPath.add(s); 140 } 141 } else { 142 log.error("Unknow argument: %s", s); 143 return false; 144 } 145 } 146 147 if (osJarPath.isEmpty()) { 148 log.error("Missing parameter: path to input jar"); 149 return false; 150 } 151 if (osDestJar[0] == null) { 152 log.error("Missing parameter: path to output jar"); 153 return false; 154 } 155 156 return true; 157 } 158 159} 160