source: release-kits/lirk3/wrapper/mywrapper.c@ 15142

Last change on this file since 15142 was 15142, checked in by oranfry, 15 years ago

changes to the wrapper and installer logic, and a few changes to init and compile stuff

File size: 4.6 KB
Line 
1#include <iostream>
2#include <fstream>
3#include <iomanip>
4
5using namespace std;
6
7#include "mywrapper.h"
8
9bool extract_bundled_file( const char[], int, char*, bool );
10
11int main(int argc, char** argv) {
12
13 string tempdir = (string)argv[0] + ".tmp"; //temporary directory where we will store extracted files
14 string jarfile = tempdir + "/greenstone3.jar"; //where we will store the jar file
15 string search4jfile = tempdir + "/search4j"; //where we will store the jar file
16 bool succeeded = false;
17
18 //create the temp folder
19 cout << "Creating temp directory" << endl;
20 succeeded = ( 0 == system( ("mkdir " + tempdir).c_str() ) );
21 if ( !succeeded ) {
22 cout << "Failed to write to create the temp directory '" << tempdir << "'" << endl;
23 cout << "Check that it does not already exist and try again" << endl;
24 cout << "Exiting" << endl;
25 return 1;
26 }
27
28 //extract files
29 cout << "Extracting installer jar..." << endl;
30 succeeded = extract_bundled_file( greenstone3jar, sizeof(greenstone3jar), (char*)jarfile.c_str(), false);
31 if ( !succeeded ) {
32 cout << "failed" << endl;
33 cout << "Failed to extract the JAR file to '" << jarfile << "'" << endl;
34 cout << "The file may be corrupt or missing" << endl;
35 cout << "Or this installer may not have sufficient file permissions to write it to disk" << endl;
36 cout << "Exiting" << endl;
37 return 1;
38 }
39
40 cout << "Extracting search4j tool..." << endl;
41 succeeded = extract_bundled_file( search4j, sizeof(search4j), (char*)search4jfile.c_str(), true );
42 if ( !succeeded ) {
43 cout << "failed" << endl;
44 cout << "Failed to extract the search4j tool to '" << jarfile << "'" << endl;
45 cout << "The file may be corrupt or missing" << endl;
46 cout << "Or this installer may not have sufficient file permissions to write it to disk" << endl;
47 cout << "Exiting" << endl;
48 return 1;
49 }
50
51
52 //change to the temp directory
53 chdir( tempdir.c_str() );
54
55
56 //check if an appropriate java is found
57 bool jvmFound = (system( "./search4j -m @java.min.version@ -h ./@java.extracted@" ) == 0);
58
59 //if the jvm was not found, try to fix it and find it
60 if ( !jvmFound ) {
61 //did not find a good java
62 cout << "Greenstone requires java @java.min.version@ or greater" << endl;
63
64 //tell them if java is absent or just too old
65 if ( system( "./search4j -h ./@java.extracted@" ) == 0 ) {
66 cout << "Your java is too old." << endl;
67 } else {
68 cout << "Could not find java." << endl;
69 }
70
71 //is this an installer with the bundled JRE?
72
73 #ifdef java_is_bundled
74 //yes, JRE is bundled
75 cout
76 << "This installer comes bundled with a suitible version of java: " << endl
77 << " @java.installer@" << endl
78 << "Do you want to install this java? (y/n)" << endl;
79 char r[1024]; cin >> r;
80 if ( strcmp( r, "y" ) == 0 || strcmp( r, "Y" ) == 0) {
81 extract_bundled_file( java, sizeof(java), (char*)"@java.installer@", true );
82 system( "./@java.installer@" );
83 jvmFound = true; //assume the java installation went well
84 }
85 #endif
86
87 #ifndef java_is_bundled
88 //no, JRE is not bundled
89 cout << "Install java (@java.min.version@ or greater) and set JAVA_HOME or JRE_HOME, and try again" << endl;
90 cout << "Or, download a greentsone3 installer with bundled java and use that instead of this one" << endl;
91 #endif
92 }
93
94 //if we have found it by now, launch the installer
95 if ( jvmFound ) {
96 cout << "Launching Installer ..." << endl;
97 int launch_exit_code = 0;
98 launch_exit_code = system("./search4j -m @java.min.version@ -l greenstone3.jar -h ./@java.extracted@");
99
100 //report how it went
101 if ( launch_exit_code == 0 ) {
102 cout << "Setup complete" << endl;
103 } else {
104 cout << "Still could not find a suitible version of java" << endl;
105 cout << "Please install java, set JAVA_HOME or JRE_HOME, and try again" << endl;
106 }
107
108 }
109
110 //change back to the original directory
111 chdir("..");
112
113 //delete the temp files
114 cout << "Deleting the temp directory" << endl;
115 system( ("rm -rf " + tempdir).c_str() );
116
117
118 return 0;
119
120}
121
122bool extract_bundled_file( const char data[], int size, char* filename, bool make_executable) {
123
124 if ( size == 0 ) return false;
125
126 //delete the file if it exists
127 remove( filename );
128
129 //open the file
130 fstream binary_file( filename, ios::out|ios::binary );
131 if ( !binary_file.good() ) {
132 binary_file.close();
133 return false;
134 }
135
136 //write the file
137 binary_file.write( data, size );
138 if ( !binary_file.good() ) {
139 binary_file.close();
140 return false;
141 }
142
143 //close the file
144 binary_file.close();
145 if ( !binary_file.good() ) {
146 binary_file.close();
147 return false;
148 }
149
150 if ( make_executable ) {
151 string command = "chmod a+x " + string(filename);
152 system( command.c_str() );
153 }
154
155 return true;
156
157}
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