1#
2# Copyright (C) 2021 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#!/usr/bin/bash
17
18# This script prints two base64 encoded strings to be pasted in Main.java.
19
20# The first string is base64 encoded src-optional/java/util/OptionalLong.java.
21
22# The second is base64 encoded dex, compiled from
23# src-optional/java/util/OptionalLong.class, which in its turn compiled from
24# src-optional/java/util/OptionalLong.java.
25
26set -e
27
28if [ -t 1 ]; then
29  # Color sequences if terminal is a tty.
30  red='\033[0;31m'
31  green='\033[0;32m'
32  yellow='\033[0;33m'
33  magenta='\033[0;35m'
34  nc='\033[0m'
35fi
36
37function help {
38  cat << EOF
39Usage: $0 -d8 $ANDROID_HOME/build-tools/*/d8 \\
40          -android-jar $ANDROID_HOME/platforms/android-*/android.jar
41
42This script automates regeneration of CLASS_BYTES and DEX_BYTES variables in Main.java
43EOF
44
45  exit 0
46}
47
48while [ $# -gt 0 ]; do
49  key="$1"
50
51  case $key in
52    -d8)
53      d8="$2"
54      shift
55      shift
56      ;;
57    -android-jar)
58      android_jar="$2"
59      shift
60      shift
61      ;;
62    -h|--help)
63      help
64      ;;
65  esac
66done
67
68if [ -z $d8 ]; then
69  printf "${red}No path to d8 executable is specified${nc}\n"
70  help
71fi
72
73if [ -z $android_jar ]; then
74  printf "${red}No path to android.jar specified${nc}\n"
75  help
76fi
77
78if [ ! -f "src-optional/java/util/OptionalLong.java" ]; then
79  printf "${red}src-optional/OptionalLong.java does not exist${nc}\n"
80  exit 1
81fi
82
83printf "${green}Compiling OptionalLong.java... ${nc}"
84javac  -source 8 -target 8 src-optional/java/util/OptionalLong.java 1>/dev/null 2>/dev/null
85$d8 --lib $android_jar --release --output . src-optional/java/util/*.class
86printf "${green}Done\n${nc}\n"
87
88
89printf "CLASS_BYTES to be pasted in src/Main.java are below:\n"
90printf "${yellow}8<------------------------------------------------------------------------------${nc}\n"
91cat src-optional/java/util/OptionalLong.java | base64 | sed "s/\(.*\)/\"\1\" \+/g"
92printf "${yellow}8<------------------------------------------------------------------------------${nc}\n\n\n"
93
94printf "DEX_BYTES to be pasted in src/Main.java are below:\n"
95printf "${yellow}8<------------------------------------------------------------------------------${nc}\n"
96cat classes.dex | base64 | sed "s/\(.*\)/\"\1\" \+/g"
97printf "${yellow}8<------------------------------------------------------------------------------${nc}\n\n\n"
98
99printf "${green}Cleaning up...${nc} "
100rm -f src-optional/java/util/OptionalLong.class
101rm -f classes.dex
102printf "${green}Done${nc}\n"
103