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 :
32 : static bool hasOption(char const * szOption, int argc, char** argv);
33 : static OString getLD_LIBRARY_PATH(const rtl::ByteSequence & vendorData);
34 : static bool findAndSelect(JavaInfo**);
35 :
36 : #define HELP_TEXT \
37 : "\njavaldx is necessary to make Java work on some UNIX platforms." \
38 : "It prints a string to std out that consists of directories which " \
39 : "have to be included into the LD_LIBRARY_PATH variable.The setting of " \
40 : "the variable usually occurs in a shell script that runs javaldx.\n" \
41 : "The directories are from the chosen java installation. \n" \
42 : "Options are: \n"\
43 : "--help or -h\n"
44 :
45 98 : SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
46 : {
47 49 : if( hasOption("--help",argc, argv) || hasOption("-h", argc, argv))
48 : {
49 0 : fprintf(stdout, HELP_TEXT);// default
50 0 : return 0;
51 : }
52 49 : javaFrameworkError errcode = JFW_E_NONE;
53 49 : sal_Bool bEnabled = sal_False;
54 49 : errcode = jfw_getEnabled( & bEnabled);
55 49 : if (errcode == JFW_E_NONE && bEnabled == sal_False)
56 : {
57 : //Do not do any preparation because that may only slow startup time.
58 0 : return 0;
59 : }
60 49 : else if (errcode != JFW_E_NONE && errcode != JFW_E_DIRECT_MODE)
61 : {
62 0 : fprintf(stderr,"javaldx failed!\n");
63 0 : return -1;
64 : }
65 :
66 :
67 49 : JavaInfo * pInfo = NULL;
68 49 : errcode = jfw_getSelectedJRE( & pInfo);
69 :
70 49 : if (errcode != JFW_E_NONE && errcode != JFW_E_INVALID_SETTINGS)
71 : {
72 0 : fprintf(stderr,"javaldx failed!\n");
73 0 : return -1;
74 : }
75 :
76 49 : if (pInfo == NULL)
77 : {
78 0 : if (false == findAndSelect(&pInfo))
79 0 : return -1;
80 : }
81 : else
82 : {
83 : //check if the JRE was not uninstalled
84 49 : sal_Bool bExist = sal_False;
85 49 : errcode = jfw_existJRE(pInfo, &bExist);
86 49 : if (errcode == JFW_E_NONE)
87 : {
88 49 : if (!bExist && !findAndSelect(&pInfo))
89 0 : return -1;
90 : }
91 : else
92 : {
93 0 : fprintf(stderr, "javaldx: Could not determine if JRE still exist\n");
94 0 : return -1;
95 : }
96 : }
97 :
98 49 : OUString aVendor( pInfo->sVendor );
99 : // Only do something if the sunjavaplugin created this JavaInfo
100 147 : if ( aVendor != "Sun Microsystems Inc." &&
101 49 : aVendor != "Oracle Corporation" &&
102 0 : aVendor != "IBM Corporation" &&
103 0 : aVendor != "Blackdown Java-Linux Team" &&
104 0 : aVendor != "Apple Inc." &&
105 0 : aVendor != "Apple Computer, Inc." &&
106 0 : aVendor != "BEA Systems, Inc." &&
107 49 : aVendor != "Free Software Foundation, Inc." &&
108 0 : aVendor != "The FreeBSD Foundation" )
109 : {
110 0 : jfw_freeJavaInfo(pInfo);
111 0 : return 0;
112 : }
113 :
114 98 : OString sPaths = getLD_LIBRARY_PATH(pInfo->arVendorData);
115 49 : fprintf(stdout, "%s\n", sPaths.getStr());
116 49 : jfw_freeJavaInfo(pInfo);
117 :
118 98 : return 0;
119 : }
120 :
121 49 : OString getLD_LIBRARY_PATH(const rtl::ByteSequence & vendorData)
122 : {
123 49 : const sal_Unicode* chars = (sal_Unicode*) vendorData.getConstArray();
124 49 : sal_Int32 len = vendorData.getLength();
125 49 : OUString sData(chars, len / 2);
126 : //the runtime lib is on the first line
127 49 : sal_Int32 index = 0;
128 98 : OUString aToken = sData.getToken( 1, '\n', index);
129 :
130 : OString paths =
131 49 : OUStringToOString(aToken, osl_getThreadTextEncoding());
132 98 : return paths;
133 : }
134 :
135 98 : static bool hasOption(char const * szOption, int argc, char** argv)
136 : {
137 98 : bool retVal= false;
138 396 : for(sal_Int16 i= 1; i < argc; i++)
139 : {
140 298 : if( ! strcmp(argv[i], szOption))
141 : {
142 0 : retVal= true;
143 0 : break;
144 : }
145 : }
146 98 : 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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