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 :
45 140 : SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
46 : {
47 : try
48 : {
49 70 : if( hasOption("--help",argc, argv) || hasOption("-h", argc, argv))
50 : {
51 0 : fprintf(stdout, HELP_TEXT);// default
52 0 : return 0;
53 : }
54 70 : javaFrameworkError errcode = JFW_E_NONE;
55 70 : sal_Bool bEnabled = sal_False;
56 70 : errcode = jfw_getEnabled( & bEnabled);
57 70 : if (errcode == JFW_E_NONE && bEnabled == sal_False)
58 : {
59 : //Do not do any preparation because that may only slow startup time.
60 0 : return 0;
61 : }
62 70 : else if (errcode != JFW_E_NONE && errcode != JFW_E_DIRECT_MODE)
63 : {
64 0 : fprintf(stderr,"javaldx failed!\n");
65 0 : return -1;
66 : }
67 :
68 70 : JavaInfo * pInfo = NULL;
69 70 : errcode = jfw_getSelectedJRE( & pInfo);
70 :
71 70 : if (errcode != JFW_E_NONE && errcode != JFW_E_INVALID_SETTINGS)
72 : {
73 0 : fprintf(stderr,"javaldx failed!\n");
74 0 : return -1;
75 : }
76 :
77 70 : if (pInfo == NULL)
78 : {
79 0 : if (!findAndSelect(&pInfo))
80 0 : return -1;
81 : }
82 : else
83 : {
84 : //check if the JRE was not uninstalled
85 70 : sal_Bool bExist = sal_False;
86 70 : errcode = jfw_existJRE(pInfo, &bExist);
87 70 : if (errcode == JFW_E_NONE)
88 : {
89 70 : if (!bExist && !findAndSelect(&pInfo))
90 0 : return -1;
91 : }
92 : else
93 : {
94 0 : fprintf(stderr, "javaldx: Could not determine if JRE still exist\n");
95 0 : return -1;
96 : }
97 : }
98 :
99 70 : OString sPaths = getLD_LIBRARY_PATH(pInfo->arVendorData);
100 70 : fprintf(stdout, "%s\n", sPaths.getStr());
101 70 : jfw_freeJavaInfo(pInfo);
102 : }
103 0 : catch (const std::exception&)
104 : {
105 0 : fprintf(stderr,"javaldx failed!\n");
106 0 : return -1;
107 : }
108 :
109 70 : return 0;
110 : }
111 :
112 70 : OString getLD_LIBRARY_PATH(const rtl::ByteSequence & vendorData)
113 : {
114 70 : const sal_Unicode* chars = reinterpret_cast<sal_Unicode const *>(vendorData.getConstArray());
115 70 : sal_Int32 len = vendorData.getLength();
116 70 : OUString sData(chars, len / 2);
117 : //the runtime lib is on the first line
118 70 : sal_Int32 index = 0;
119 140 : OUString aToken = sData.getToken( 1, '\n', index);
120 :
121 : OString paths =
122 70 : OUStringToOString(aToken, osl_getThreadTextEncoding());
123 140 : return paths;
124 : }
125 :
126 140 : static bool hasOption(char const * szOption, int argc, char** argv)
127 : {
128 140 : bool retVal= false;
129 564 : for(int i= 1; i < argc; i++)
130 : {
131 424 : if( ! strcmp(argv[i], szOption))
132 : {
133 0 : retVal= true;
134 0 : break;
135 : }
136 : }
137 140 : return retVal;
138 : }
139 :
140 0 : static bool findAndSelect(JavaInfo ** ppInfo)
141 : {
142 0 : javaFrameworkError errcode = jfw_findAndSelectJRE(ppInfo);
143 0 : if (errcode == JFW_E_NO_JAVA_FOUND)
144 : {
145 0 : fprintf(stderr,"javaldx: Could not find a Java Runtime Environment!\n");
146 0 : return false;
147 : }
148 0 : else if (errcode != JFW_E_NONE && errcode != JFW_E_DIRECT_MODE)
149 : {
150 0 : fprintf(stderr,"javaldx failed!\n");
151 0 : return false;
152 : }
153 0 : return true;
154 : }
155 :
156 :
157 :
158 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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