1 /* 2 * Copyright (C) 2017 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 writer.files 18 19 import parser.config 20 import java.nio.file.Path 21 22 abstract class AbstractFileWriter() { 23 abstract val baseName: String 24 abstract val templateResource: String 25 abstract val path: Path 26 27 //init with template file contents on first use 28 var outStr: String = "" 29 get() = if (field.isEmpty()) resources.readResourceText(this.templateResource) else field 30 replaceVarsnull31 open fun replaceVars() {} 32 replaceVarnull33 fun replaceVar(varName: String, newValue: String) { 34 outStr = outStr.replace(Regex("\\\$\\{?$varName}?"), newValue) 35 } 36 replaceVarnull37 fun replaceVar(varName: String, newValue: () -> String) { 38 replaceVar(varName, newValue()) 39 } 40 writeToFilenull41 fun writeToFile(): Boolean { 42 replaceVars() 43 onWrite() 44 45 if (config.lintMode) { 46 return false 47 } else { 48 val dir = this.path.parent.toFile() //dir name 49 if (!dir.exists()) dir.mkdirs() 50 if (!dir.canWrite()) throw FileSystemException(dir, reason = "No write access to output directory") 51 52 val fp = this.path.toFile() 53 fp.bufferedWriter().use { it.write(this.outStr) } 54 if (!fp.isFile) throw FileSystemException(fp, reason = "Error writing file") 55 return true 56 } 57 } 58 onWritenull59 open fun onWrite() {} 60 printInfonull61 open fun printInfo() { 62 println("Name: ${this.baseName}") 63 println(" AbstractFileWriter:") 64 println(" class: ${javaClass.simpleName}") 65 println(" dest: ${this.path}") 66 } 67 }