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

Last change on this file since 14993 was 14982, checked in by oranfry, 15 years ago

initial import of LiRK3

File size: 2.0 KB
Line 
1#include <iostream>
2#include <fstream>
3#include <iomanip>
4using namespace std;
5
6#include "mywrapper.h"
7
8bool extract_bundled_file( const char[], int, char* );
9
10int main(int argc, char** argv) {
11
12 string tempdir = (string)argv[0] + ".tmp"; //temporary directory where we will store extracted files
13 string jarfile = tempdir + "/greenstone3.jar"; //where we will store the jar file
14 bool succeeded = false;
15
16 //create the temp folder
17 cout << "Creating temp directory" << endl;
18 succeeded = ( 0 == system( ("mkdir " + tempdir).c_str() ) );
19 if ( !succeeded ) {
20 cout << "Failed to write to create the temp directory '" << tempdir << "'" << endl;
21 cout << "Check that it does not already exist and try again" << endl;
22 cout << "Exiting" << endl;
23 return 1;
24 }
25
26 //extract files
27 cout << "Extracting JAR file..." << endl;
28 succeeded = extract_bundled_file( greenstone3jar, sizeof(greenstone3jar), (char*)jarfile.c_str() );
29 if ( !succeeded ) {
30 cout << "failed" << endl;
31 cout << "Failed to extract the JAR file to '" << jarfile << "'" << endl;
32 cout << "The JAR file may have been bundled with this executable incorrectly" << endl;
33 cout << "Or this program may not have sufficient file permissions to write it to disk" << endl;
34 cout << "Exiting" << endl;
35 return 1;
36 }
37
38 //run the jar
39 cout << "Running the jar" << endl;
40 system( ("java -jar " + jarfile).c_str() );
41
42 //delete the temp files
43 cout << "Deleting the temp directory" << endl;
44 system( ("rm -rf " + tempdir).c_str() );
45 system( "rm ant.install.log" );
46
47
48 return 0;
49
50}
51
52bool extract_bundled_file( const char data[], int size, char* filename ) {
53
54 //delete the file if it exists
55 remove( filename );
56
57 //open the file
58 fstream binary_file( filename, ios::out|ios::binary );
59 if ( !binary_file.good() ) {
60 binary_file.close();
61 return false;
62 }
63
64 //write the file
65 binary_file.write( data, size );
66 if ( !binary_file.good() ) {
67 binary_file.close();
68 return false;
69 }
70
71 //close the file
72 binary_file.close();
73 if ( !binary_file.good() ) {
74 binary_file.close();
75 return false;
76 }
77
78 return true;
79
80}
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