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# Copyright (c) VIX TECHNOLOGY (AUST) LTD

#

# Module name   : androidBuilder.pl

# Module type   : Makefile system

# Compiler(s)   : Perl

# Environment(s): jats

#

# Description   : This program is invoked by the JATS Makefile System

#                 to 'build' an Android project from an Eclipse based

#                 Android project. It does this by:

#                   Creating a build.xml file from the Eclispe files

#                   Injecting properties into the build

#                   Invoking ANT to perform the build 

#

#                 This process requires external tool - delivered in packages

#                 These are:

#                   ant         - Normally more recent than that installed 

#                                 on the build machines

#                   androidSdk  - From package rather than installed

#                                 This provides flexability when a new Sdk

#                                 is required

#

# Usage:        The utility is invoked in a controlled manner from a Jats

#               makefile. The call is generated by the Android Toolset

#               Arguments:

#                -verbose                   - Increase debugging

#                -verbose=n                 - Increase debugging

#                -f=manifestFile.xml        - project Manifest file

#                -i=path                    - Path to the interface directory

#                -t=[P|D]"                  - Build Type. Production or Debug

#                -pn=PackageName            - Package Name

#                -pv=PackageVersion         - Package Version

#                -clean                     - Will clean the build

#                -populate                  - Test Env and Populate 'libs'

#               Aguments that can be provided by the user

#                -projectname=ProjectName   - Project Name [optional]

#                -target=number             - Project Target

#

#......................................................................#

require 5.008_002;

use strict;

use warnings;

use Getopt::Long;

use JatsError;

use JatsSystem;

use FileUtils;

use JatsProperties;

use JatsVersionUtils;

use ReadBuildConfig;

use JatsCopy;

#

#   Globals

#   Command line arguments

#

my $opt_verbose = $ENV{GBE_VERBOSE};

my $opt_manifestFile;

my $opt_interface;

my $opt_gbetype = 'P';

my $opt_clean;

my $opt_pkgname;

my $opt_pkgversion;

my $opt_projectname;

my $opt_populate;

my $opt_target = 1;

#

#   Configuration

#   Map JATS platforms to Shared library targets

#

my %SharedLibMap = (

    'ANDROIDARM'    => 'armeabi',

    'ANDROIDMIPS'   => 'mips',

    'ANDROIDX86'    => 'x86',

    );

#   Build type in ant format: release or debug

my $ant_target;

#-------------------------------------------------------------------------------

# Function        : Main Entry Point 

#

# Description     : Main entry to this program

#

# Inputs          : @ARGV           - Array of command line arguments

#                                     See file header

#

# Returns         : 0               - No Error

#                   1               - Error encountered    

#

ErrorConfig( 'name'    => 'ANDROIDBUILDER',

             'verbose' => $opt_verbose);

#

#   Install local signal handlers to process GetOptions messages

#

local $SIG{__WARN__} = sub { ReportError('AndroidBuilder.' . "@_"); };

local $SIG{__DIE__} = sub { ReportError('AndroidBuilder.' . "@_"); };

my $result = GetOptions (

                "verbose:+"     => \$opt_verbose,       # flag

                "f=s"           => \$opt_manifestFile,  # string

                "i=s"           => \$opt_interface,     # Interface directory

                "t=s"           => \$opt_gbetype,       # string

                "pn=s"          => \$opt_pkgname,       # string

                "pv=s"          => \$opt_pkgversion,    # string

                "projectname=s" => \$opt_projectname,   # string

                "clean"         => \$opt_clean,         # flag

                "populate"      => \$opt_populate,      # flag

                "target:i"      => \$opt_target,        # Number

                );

#

#   Restore signal handlers and report parse errors

#

$SIG{__WARN__} = undef;

$SIG{__DIE__} = undef;

Error('AndroidBuilder. Invalid call options detected') if (!$result);

ErrorDoExit();

#

#   Sanity Test

#

ReportError ("Manifest file not specified") unless ( defined $opt_manifestFile); 

ReportError ("Manifest file not found: $opt_manifestFile") unless ( -f $opt_manifestFile);

ReportError ("Interface directory not specified") unless ( defined $opt_interface);

ReportError ("Interface directory not found: $opt_interface") unless ( -d $opt_interface);

ReportError ("Package Name not specified") unless ( defined $opt_pkgname); 

ReportError ("Package Version not specified") unless ( defined $opt_pkgversion); 

ErrorDoExit();

#

#   Basic setup

#

$ant_target = $opt_gbetype eq 'P' ? 'release' : 'debug';

#

#   If multiple project are built in the same package it may be best to provide

#   a project name

#

$opt_projectname = $opt_pkgname

    unless (defined $opt_projectname);

#

#   The AndroidManifest.xml file MUST be in the root of the project

#   There will be some other files there too

#   Calculate the root of the project

#

my $project_root = StripFileExt($opt_manifestFile);

my $project_buildfile = catfile($project_root, 'build.xml');

Message ("Project Root:" . $project_root);

Message ("Project Name:" . $opt_projectname);

Message ("Project build file:" . $project_buildfile);

#

#   Essential tool

#       ant     - setup ANT_HOME for other tools

#

#

ReadBuildConfig( $opt_interface, 'ANDROID', '--NoTest' );

my $antTool = getToolInfo('ant', 'JAVA_VERSION');

$ENV{ANT_HOME} = catdir($antTool->{PKGBASE}, $antTool->{TOOLROOT});

#

#   Setup the required version of Java for the tool

#

my $javaVersion = $antTool->{JAVA_VERSION};

ReportError ("$javaVersion not defined.", "Building ANDROID requires $javaVersion be installed and correctly configured.") 

    unless $ENV{$javaVersion};

$ENV{JAVA_HOME}=$ENV{$javaVersion};

#

#   Essential tool

#       androidSdk  - setup path to the android executable

#

my $androidSdk = getToolInfo('androidSdk');

my $androidPkg = catdir($androidSdk->{PKGBASE}, $androidSdk->{TOOLROOT} );

my $ANDROID = catdir($androidPkg,'sdk', 'tools', 'android' );

ReportError("Tool Package 'androidSdk' does not provide program 'android'")

    unless -f ($ANDROID);

ErrorDoExit();

#

#   Clean out any build artifacts

#

if ($opt_clean)

{

    #

    #   Invoke ANT on the build script - if present

    #

    Message ("Clean the existing build");

    JatsCmd('ant', '-buildfile', $project_buildfile, 'clean')

        if (-f $project_buildfile);

    deleteGeneratedFiles();

    exit 0;

}

#

#   Delete files that we will create and inject

#       Not sure about project.properties

#       It appears that it can be written - and info will be lost

#

deleteGeneratedFiles();

#

#   Populate the Android Project 'libs' directory

#

injectDependencies();

#

#   Create the project files

#       The android tool does not appear to provide an non-zero exit code on error

#       Detect error via the non-creation of the expected output file

#

System($ANDROID, $opt_verbose ? '--verbose' : '--silent',

                 'update', 'project', 

                 '--path', $project_root, 

                 '--subprojects', 

                 '--target', $opt_target, 

                 '--name', $opt_projectname );

unless ( -f catfile($project_root, 'build.xml'))

{

    Error("Cannot update android project: $opt_projectname");

}

#

#   The provided AndroidManifest.xml file contains 

#       android:versionCode and android:versionName

#   These prevent the ones in ant.properties from being reflected in the output

#   Rewrite the AndroidManifest.xml file with corrected versions

#

updateManifest();

#

#   If we are only populating the build then we have done all we need to do

#

if ($opt_populate)

{

    Verbose ("Populate complete");

    exit 0;

}

#

#   Build the Android project through the ANT package

#       ANT_HOME    - has been set up

#       JAVA_HOME   - has been set up

#

Message ("Build the android project: $opt_projectname");

my $rv = JatsCmd('ant', '-buildfile', $project_buildfile, $ant_target);

Error("Cannot build android project: $opt_projectname") if $rv;

exit(0);

#-------------------------------------------------------------------------------

# Function        : updateManifest 

#

# Description     : Calculate Version information

#                   Rewrite the Projects Manifest file and local properties files

#

# Inputs          : None 

#

# Returns         : Nothing

#

sub updateManifest

{

    #

    #   Generate Package Versioning information   

    #       Need a text string and a number

    #       Generate the 'number' from the version number

    #

    my $version_text;

    my $version_num;

    $version_text = $opt_pkgversion;

    my ($major, $minor, $patch, $build )= SplitVersion($opt_pkgversion);

    foreach my $item ($major, $minor, $patch, $build)

    {

        Error("Package version has invalid form. It contains non-numeric parts", $item)

            unless ( $item =~ m~^\d+$~);

    }

    $version_num = ($major << 24) + ($minor << 16) + ($patch << 8) + $build;

    Message ("Project Version Txt:" . $version_text);

    Message ("Project Version Num:" . $version_num);

    #

    #   Rewrite the Manifest File 

    #       Delete the Versioning information

    #       It will be picked up from the ant.properties file

    #       Store it in the interface directory

    #

    my $jats_androidManifestFile = catfile($opt_interface, $opt_projectname . '_'.'AndroidManifest.xml');

    Message ("Rewrite Manifest: " . $jats_androidManifestFile);

    open (AM, '<', $opt_manifestFile) or Error("Cannot open $opt_manifestFile: $!");

    open (JAM, '>', $jats_androidManifestFile) or Error ("Cannot create $jats_androidManifestFile: $!");

    while (<AM>)

    {

        s~(android:versionCode=").*(")~$1$version_num$2~;

        s~(android:versionName=").*(")~$1$version_text$2~;

        print JAM $_

    }

    close AM;

    close JAM;

    #

    #   Create the ant.properties file

    #   It needs to be in the same directory as the build.xml

    #

    my $antProperies = catfile($project_root,'ant.properties');

    Message ("Create Properties file: " . $antProperies);

    my $data = JatsProperties::New();

    #$data->setProperty('source.dir'        , 'src');

    #   Appears to work best when left as default

    #$data->setProperty('out.dir'           , 'bin');

    #   Don't write these to the properties file as it will

    #   create warning messages. The data is in the Manifest File

    #

    #$data->setProperty('version.code'      , $version_num);

    #$data->setProperty('version.name'      , $version_text);

    $data->setProperty('manifest.file'      , $jats_androidManifestFile);

    $data->setProperty('verbose'            , $opt_verbose ? 'true' : 'false');

    #   May be of interest

    #<property name="jar.libs.dir" value="libs" />

    #<property name="jar.libs.absolute.dir" location="${jar.libs.dir}" />

    #<property name="native.libs.absolute.dir" location="libs" />

    #

    #<property name="out.dir" value="bin" />

    #<property name="out.absolute.dir" location="${out.dir}" />

    #<property name="out.classes.absolute.dir" location="${out.dir}/classes" />

    #<property name="out.res.absolute.dir" location="${out.dir}/res" />

    #<property name="out.rs.obj.absolute.dir" location="${out.dir}/rsObj" />

    #<property name="out.rs.libs.absolute.dir" location="${out.dir}/rsLibs" />

    #<property name="out.aidl.absolute.dir" location="${out.dir}/aidl" />

    #<property name="out.dexed.absolute.dir" location="${out.dir}/dexedLibs" />

    #<property name="out.manifest.abs.file" location="${out.dir}/AndroidManifest.xml" />

    #

    #   Insert key information

    #   Only used in the 'release' build

    #   At the moment the signing step MUST be done outside of the build system

    #

    #$data->setProperty('key.store'               , 'vix-pcc.keystore');

    #$data->setProperty('key.alias'               , 'pcc');

    #$data->setProperty('key.store.password'      , 'VixPassword');

    #$data->setProperty('key.alias.password'      , 'VixPassword');

    $data->store( $antProperies );

}

#-------------------------------------------------------------------------------

# Function        : injectDependencies 

#

# Description     : Populate the 'libs' directory

#                       

#                   Inject dependencies

#                   The android build will make use of files in the 'libs' directory

#                   There are two types of files that can be placed in that directory

#                   These appear to be:

#                       1) .jar files

#                       2) Shared libraries provided by NDK components

#                   

#                   Assume that the user is doing the right thing and not manually placing

#                   external dependencies in the 'libs' directory

#                   

#                   Clean out all files and repopulate - depending on the build type

#                   It may be different for debug and production builds

#

# Inputs          : 

#

# Returns         : 

#

sub injectDependencies

{

    my $androidLibs = catdir($project_root, 'libs');

    Verbose ("Android libs: $androidLibs");

    my @pkg_paths = getPackagePaths("--Interface=$opt_interface");

    foreach my $pkg ( @pkg_paths)

    {

        #

        #   Copy in all JAR files found in dependent packages

        #

        my $jarDir = catdir($pkg,'jar'); 

        if (-d $jarDir)

        {

            Verbose("Jar Dir Found found", $jarDir);

            Message ("Copy in: $jarDir");

            CopyDir ( $jarDir, $androidLibs,

                        'Match' => ['*.jar'],

                        'Log' => $opt_verbose + 1,

                        'SymlinkFiles' => 1,

                        );

        }

        #

        #   Build up the Shared Library structure as used by JNI

        #   Note: Only support current JATS format

        #   Copy in .so files and in to process massage the pathname so that

        #   it confirms to that expected by the Android Project

        #

        my $libDir = catdir($pkg,'lib');

        if (-d $libDir)

        {

            Verbose("Lib Dir Found found", $libDir);

            Message ("Copy in: $libDir");

            CopyDir ( $libDir, $androidLibs,

                        'Match' => ['*.so'],

                        'Log' => $opt_verbose + 1,

                        'SymlinkFiles' => 1,

                        'Examine' => sub 

                            { 

                                my ($opt) = @_;

                                foreach my $platform ( keys %SharedLibMap ) {

                                    my $replace = $SharedLibMap{$platform};

                                    if ($opt->{'target'} =~ s~/$platform/~/$replace/~)

                                    {

                                        return 1;

                                    }

                                }

                                return 0;

                            },

                        );

        }

    }

}

#-------------------------------------------------------------------------------

# Function        : deleteGeneratedFiles 

#

# Description     : Delete files that we generate

#

# Inputs          : 

#

# Returns         : 

#

sub deleteGeneratedFiles

{

    #

    #   Delete files that we will create

    #       Not sure about project.properties

    #       It appears that it can be written - and info will be lost

    #

    my @deleteList = qw(local.properties build.xml proguard-project.txt);

    foreach my $file (@deleteList)

    {

        Verbose ("Deleting $project_root/$file");

        unlink catfile($project_root, $file);

    }

    #

    #   Clean out the 'libs' directory

    #       Assume that its populated with 'external' dependencies

    #       Leave the directory - it may have been checked into version control

    #

    my $androidLibs = catdir($project_root, 'libs');

    RmDirTree(glob(catdir($androidLibs, '*')));

}