1 /* 2 * Copyright (C) 2024 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 17 package com.android.xts.apimapper 18 19 import com.android.xts.apimapper.asm.ArgumentException 20 21 private const val IN_JAR_OPTION = "--in-jar" 22 private const val OUT_JAR_OPTION = "--out-jar" 23 24 /** A class to parse and validate input options. */ 25 class ApiMapperOption( 26 val args: Array<String> 27 ) { 28 29 private val options = getOptions(args) 30 31 /** Validate whether input options are valid. */ validateOptionsnull32 fun validateOptions() { 33 if (options[IN_JAR_OPTION] == null) { 34 throw ArgumentException("Option --in-jar missing.") 35 } 36 if (options[OUT_JAR_OPTION] == null) { 37 throw ArgumentException("Option --out-jar missing.") 38 } 39 if (options[IN_JAR_OPTION]?.size != 1) { 40 throw ArgumentException("Only one input jar file is allowed.") 41 } 42 if (options[OUT_JAR_OPTION]?.size != 1) { 43 throw ArgumentException("Only one output jar file is allowed.") 44 } 45 } 46 47 /** Get the input jar file from the option. */ getInJarnull48 fun getInJar(): String { 49 return options[IN_JAR_OPTION]?.get(0) ?: "" 50 } 51 52 /** Get the output jar file from the option. */ getOutJarnull53 fun getOutJar(): String { 54 return options[OUT_JAR_OPTION]?.get(0) ?: "" 55 } 56 getOptionsnull57 private fun getOptions(args: Array<String>): Map<String, List<String>> { 58 var option = "" 59 val parseResult: MutableMap<String, MutableList<String>> = mutableMapOf() 60 args.forEach { 61 if (it.startsWith("-")) { 62 option = it 63 parseResult[option] = mutableListOf() 64 } else { 65 parseResult[option]?.add(it) 66 } 67 } 68 return parseResult 69 } 70 } 71