1 /* <lambda>null2 * Copyright (C) 2023 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.tools.metalava 18 19 import com.android.tools.metalava.cli.common.SignatureFileLoader 20 import com.android.tools.metalava.model.AnnotationManager 21 import com.android.tools.metalava.model.ClassResolver 22 import com.android.tools.metalava.model.Codebase 23 import com.android.tools.metalava.model.text.SignatureFile 24 25 private data class CacheKey( 26 val signatureFiles: List<SignatureFile>, 27 val classResolver: ClassResolver? 28 ) 29 30 /** Loads signature files, caching them for reuse where appropriate. */ 31 class SignatureFileCache(annotationManager: AnnotationManager) { 32 private val signatureFileLoader = SignatureFileLoader(annotationManager) 33 private val map = mutableMapOf<CacheKey, Codebase>() 34 35 fun load(signatureFile: SignatureFile, classResolver: ClassResolver? = null): Codebase = 36 load(listOf(signatureFile), classResolver) 37 38 fun load(signatureFiles: List<SignatureFile>, classResolver: ClassResolver? = null): Codebase { 39 val key = CacheKey(signatureFiles, classResolver) 40 return map.computeIfAbsent(key) { k -> 41 signatureFileLoader.loadFiles(k.signatureFiles, k.classResolver) 42 } 43 } 44 } 45