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1 /*
2  * Copyright (C) 2018 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.sdkparcelables
18 
19 import org.objectweb.asm.ClassReader
20 import org.objectweb.asm.Opcodes
21 import java.io.File
22 import java.io.IOException
23 import java.util.zip.ZipFile
24 
mainnull25 fun main(args: Array<String>) {
26     if (args.size != 2) {
27         usage()
28     }
29 
30     val zipFileName = args[0]
31     val aidlFileName = args[1]
32 
33     val zipFile: ZipFile
34 
35     try {
36         zipFile = ZipFile(zipFileName)
37     } catch (e: IOException) {
38         System.err.println("error reading input jar: ${e.message}")
39         kotlin.system.exitProcess(2)
40     }
41 
42     val ancestorCollector = AncestorCollector(Opcodes.ASM9, null)
43 
44     for (entry in zipFile.entries()) {
45         if (entry.name.endsWith(".class")) {
46             val reader = ClassReader(zipFile.getInputStream(entry))
47             reader.accept(ancestorCollector,
48                     ClassReader.SKIP_CODE or ClassReader.SKIP_DEBUG or ClassReader.SKIP_FRAMES)
49         }
50     }
51 
52     val parcelables = ParcelableDetector.ancestorsToParcelables(ancestorCollector.ancestors)
53 
54     try {
55         val outFile = File(aidlFileName)
56         val outWriter = outFile.bufferedWriter()
57         for (parcelable in parcelables) {
58             outWriter.write("parcelable ")
59             outWriter.write(parcelable.replace('/', '.').replace('$', '.'))
60             outWriter.write(";\n")
61         }
62         outWriter.flush()
63     } catch (e: IOException) {
64         System.err.println("error writing output aidl: ${e.message}")
65         kotlin.system.exitProcess(2)
66     }
67 }
68 
usagenull69 fun usage() {
70     System.err.println("Usage: <input jar> <output aidl>")
71     kotlin.system.exitProcess(1)
72 }
73