Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <stdio.h>
22 : #include <stdlib.h>
23 : #include <string.h>
24 : #include "sal/main.h"
25 : #include "sal/types.h"
26 : #include "osl/thread.h"
27 : #include "rtl/ustring.hxx"
28 : #include "rtl/byteseq.hxx"
29 : #include "jvmfwk/framework.h"
30 :
31 : using ::rtl::OUString;
32 : using ::rtl::OUStringToOString;
33 : using ::rtl::OString;
34 :
35 : static sal_Bool hasOption(char const * szOption, int argc, char** argv);
36 : static rtl::OString getLD_LIBRARY_PATH(const rtl::ByteSequence & vendorData);
37 : static bool findAndSelect(JavaInfo**);
38 :
39 : #define HELP_TEXT \
40 : "\njavaldx is necessary to make Java work on some UNIX platforms." \
41 : "It prints a string to std out that consists of directories which " \
42 : "have to be included into the LD_LIBRARY_PATH variable.The setting of " \
43 : "the variable usually occurs in a shell script that runs javaldx.\n" \
44 : "The directories are from the chosen java installation. \n" \
45 : "Options are: \n"\
46 : "--help or -h\n"
47 :
48 0 : SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
49 : {
50 0 : if( hasOption("--help",argc, argv) || hasOption("-h", argc, argv))
51 : {
52 0 : fprintf(stdout, HELP_TEXT);// default
53 0 : return 0;
54 : }
55 0 : javaFrameworkError errcode = JFW_E_NONE;
56 0 : sal_Bool bEnabled = sal_False;
57 0 : errcode = jfw_getEnabled( & bEnabled);
58 0 : if (errcode == JFW_E_NONE && bEnabled == sal_False)
59 : {
60 : //Do not do any preparation because that may only slow startup time.
61 0 : return 0;
62 : }
63 0 : else if (errcode != JFW_E_NONE && errcode != JFW_E_DIRECT_MODE)
64 : {
65 0 : fprintf(stderr,"javaldx failed! \n");
66 0 : return -1;
67 : }
68 :
69 :
70 0 : JavaInfo * pInfo = NULL;
71 0 : errcode = jfw_getSelectedJRE( & pInfo);
72 :
73 0 : if (errcode != JFW_E_NONE && errcode != JFW_E_INVALID_SETTINGS)
74 : {
75 0 : fprintf(stderr,"javaldx failed! \n");
76 0 : return -1;
77 : }
78 :
79 0 : if (pInfo == NULL)
80 : {
81 0 : if (false == findAndSelect(&pInfo))
82 0 : return -1;
83 : }
84 : else
85 : {
86 : //check if the JRE was not uninstalled
87 0 : sal_Bool bExist = sal_False;
88 0 : errcode = jfw_existJRE(pInfo, &bExist);
89 0 : if (errcode == JFW_E_NONE)
90 : {
91 0 : if (!bExist && !findAndSelect(&pInfo))
92 0 : return -1;
93 : }
94 : else
95 : {
96 0 : fprintf(stderr, "javaldx: Could not determine if JRE still exist\n");
97 0 : return -1;
98 : }
99 : }
100 :
101 0 : rtl::OUString aVendor( pInfo->sVendor );
102 : // Only do something if the sunjavaplugin created this JavaInfo
103 0 : if ( aVendor != "Sun Microsystems Inc." &&
104 0 : aVendor != "Oracle Corporation" &&
105 0 : aVendor != "IBM Corporation" &&
106 0 : aVendor != "Blackdown Java-Linux Team" &&
107 0 : aVendor != "Apple Inc." &&
108 0 : aVendor != "Apple Computer, Inc." &&
109 0 : aVendor != "BEA Systems, Inc." &&
110 0 : aVendor != "Free Software Foundation, Inc." &&
111 0 : aVendor != "The FreeBSD Foundation" )
112 0 : return 0;
113 :
114 0 : rtl::OString sPaths = getLD_LIBRARY_PATH(pInfo->arVendorData);
115 0 : fprintf(stdout, "%s\n", sPaths.getStr());
116 0 : jfw_freeJavaInfo(pInfo);
117 :
118 0 : return 0;
119 : }
120 :
121 0 : rtl::OString getLD_LIBRARY_PATH(const rtl::ByteSequence & vendorData)
122 : {
123 0 : const sal_Unicode* chars = (sal_Unicode*) vendorData.getConstArray();
124 0 : sal_Int32 len = vendorData.getLength();
125 0 : rtl::OUString sData(chars, len / 2);
126 : //the runtime lib is on the first line
127 0 : sal_Int32 index = 0;
128 0 : rtl::OUString aToken = sData.getToken( 1, '\n', index);
129 :
130 : rtl::OString paths =
131 0 : rtl::OUStringToOString(aToken, osl_getThreadTextEncoding());
132 0 : return paths;
133 : }
134 :
135 0 : static sal_Bool hasOption(char const * szOption, int argc, char** argv)
136 : {
137 0 : sal_Bool retVal= sal_False;
138 0 : for(sal_Int16 i= 1; i < argc; i++)
139 : {
140 0 : if( ! strcmp(argv[i], szOption))
141 : {
142 0 : retVal= sal_True;
143 0 : break;
144 : }
145 : }
146 0 : return retVal;
147 : }
148 :
149 0 : static bool findAndSelect(JavaInfo ** ppInfo)
150 : {
151 0 : javaFrameworkError errcode = jfw_findAndSelectJRE(ppInfo);
152 0 : if (errcode == JFW_E_NO_JAVA_FOUND)
153 : {
154 0 : fprintf(stderr,"javaldx: Could not find a Java Runtime Environment! \n");
155 0 : return false;
156 : }
157 0 : else if (errcode != JFW_E_NONE && errcode != JFW_E_DIRECT_MODE)
158 : {
159 0 : fprintf(stderr,"javaldx failed!\n");
160 0 : return false;
161 : }
162 0 : return true;
163 : }
164 :
165 :
166 :
167 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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