source: release-kits/lirk3/wrapper/mywrapper.c@ 14993

#include <iostream>
#include <fstream>
#include <iomanip>
using namespace std;

#include "mywrapper.h"

bool extract_bundled_file( const char[], int, char* );

int main(int argc, char** argv) {

    string tempdir = (string)argv[0] + ".tmp"; //temporary directory where we will store extracted files
    string jarfile = tempdir + "/greenstone3.jar"; //where we will store the jar file
    bool succeeded = false;

    //create the temp folder
    cout << "Creating temp directory" << endl;
    succeeded = ( 0 == system( ("mkdir " + tempdir).c_str() ) );
    if ( !succeeded ) {
        cout << "Failed to write to create the temp directory '" << tempdir << "'" << endl;
        cout << "Check that it does not already exist and try again" << endl;
        cout << "Exiting" << endl;
        return 1;
    }

    //extract files
    cout << "Extracting JAR file..." << endl;
    succeeded = extract_bundled_file( greenstone3jar, sizeof(greenstone3jar), (char*)jarfile.c_str() );
    if ( !succeeded ) {
        cout << "failed" << endl;
        cout << "Failed to extract the JAR file to '" << jarfile << "'" << endl;
        cout << "The JAR file may have been bundled with this executable incorrectly" << endl;
        cout << "Or this program may not have sufficient file permissions to write it to disk" << endl;
        cout << "Exiting" << endl;
        return 1;
    }

    //run the jar
    cout << "Running the jar" << endl;
    system( ("java -jar " + jarfile).c_str() );

    //delete the temp files
    cout << "Deleting the temp directory" << endl;
    system( ("rm -rf " + tempdir).c_str() );
    system( "rm ant.install.log" );


    return 0;

}

bool extract_bundled_file( const char data[], int size, char* filename ) {

    //delete the file if it exists
    remove( filename );

    //open the file
    fstream binary_file( filename, ios::out|ios::binary );
    if ( !binary_file.good() ) {
        binary_file.close();
        return false;
    }

    //write the file
    binary_file.write( data, size );
    if ( !binary_file.good() ) {
        binary_file.close();
        return false;
    }

    //close the file
    binary_file.close();
    if ( !binary_file.good() ) {
        binary_file.close();
        return false;
    }

    return true;

}