summaryrefslogtreecommitdiff
path: root/framework/source/jobs/shelljob.cxx
blob: a839494375177b2b2140a1702622725e148592f2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

// include own header

#include <jobs/shelljob.hxx>
#include <jobs/jobconst.hxx>
#include <services.h>

// include others

#include <osl/file.hxx>
#include <osl/process.h>
#include <vcl/svapp.hxx>
#include <rtl/ustrbuf.hxx>
#include <comphelper/sequenceashashmap.hxx>

// include interfaces

#include <com/sun/star/util/PathSubstitution.hpp>
#include <com/sun/star/util/XStringSubstitution.hpp>

namespace framework{


DEFINE_XSERVICEINFO_MULTISERVICE_2(ShellJob                   ,
                                   ::cppu::OWeakObject        ,
                                   SERVICENAME_JOB            ,
                                   IMPLEMENTATIONNAME_SHELLJOB)

DEFINE_INIT_SERVICE(ShellJob,
                    {
                        /*  Attention
                            I think we don't need any mutex or lock here ... because we are called by our own static method impl_createInstance()
                            to create a new instance of this class by our own supported service factory.
                            see macro DEFINE_XSERVICEINFO_MULTISERVICE and "impl_initService()" for further information!
                        */
                    }
                   )

ShellJob::ShellJob(const css::uno::Reference< css::uno::XComponentContext >& xContext)
    : m_xContext    (xContext)
{
}

ShellJob::~ShellJob()
{
}

css::uno::Any SAL_CALL ShellJob::execute(const css::uno::Sequence< css::beans::NamedValue >& lJobArguments)
{
    ::comphelper::SequenceAsHashMap lArgs  (lJobArguments);
    /** address job configuration inside argument set provided on method execute(). */
    ::comphelper::SequenceAsHashMap lOwnCfg(lArgs.getUnpackedValueOrDefault("JobConfig", css::uno::Sequence< css::beans::NamedValue >()));

    const OUString                       sCommand               = lOwnCfg.getUnpackedValueOrDefault("Command"             , OUString());
    const css::uno::Sequence< OUString > lCommandArguments      = lOwnCfg.getUnpackedValueOrDefault("Arguments"           , css::uno::Sequence< OUString >());
    const bool                           bDeactivateJobIfDone   = lOwnCfg.getUnpackedValueOrDefault("DeactivateJobIfDone" , true );
    const bool                           bCheckExitCode         = lOwnCfg.getUnpackedValueOrDefault("CheckExitCode"       , true );

    // replace all might existing place holder.
    OUString sRealCommand = impl_substituteCommandVariables(sCommand);

    // Command is required as minimum.
    // If it does not exists ... we can't do our job.
    // Deactivate such miss configured job silently .-)
    if (sRealCommand.isEmpty())
        return ShellJob::impl_generateAnswer4Deactivation();

    // do it
    bool bDone = impl_execute(sRealCommand, lCommandArguments, bCheckExitCode);
    if (! bDone)
        return css::uno::Any();

    // Job was done ... user configured deactivation of this job
    // in such case.
    if (bDeactivateJobIfDone)
        return ShellJob::impl_generateAnswer4Deactivation();

    // There was no decision about deactivation of this job.
    // So we have to return nothing here !
    return css::uno::Any();
}

css::uno::Any ShellJob::impl_generateAnswer4Deactivation()
{
    css::uno::Sequence< css::beans::NamedValue > aAnswer { { JobConst::ANSWER_DEACTIVATE_JOB(), css::uno::makeAny(true) } };
    return css::uno::makeAny(aAnswer);
}

OUString ShellJob::impl_substituteCommandVariables(const OUString& sCommand)
{
    try
    {
        css::uno::Reference< css::util::XStringSubstitution > xSubst(  css::util::PathSubstitution::create(m_xContext) );
        const bool                                      bSubstRequired   = true;
        const OUString                                 sCompleteCommand = xSubst->substituteVariables(sCommand, bSubstRequired);

        return sCompleteCommand;
    }
    catch(const css::uno::Exception&)
    {}

    return OUString();
}

bool ShellJob::impl_execute(const OUString&                       sCommand      ,
                            const css::uno::Sequence< OUString >& lArguments    ,
                                  bool                            bCheckExitCode)
{
    ::rtl_uString**   pArgs    = nullptr;
    const ::sal_Int32 nArgs    = lArguments.getLength ();
    oslProcess        hProcess(nullptr);

    if (nArgs > 0)
        pArgs = reinterpret_cast< ::rtl_uString** >(const_cast< OUString* >(lArguments.getConstArray()));

    oslProcessError eError = osl_executeProcess(sCommand.pData, pArgs, nArgs, osl_Process_WAIT, nullptr, nullptr, nullptr, 0, &hProcess);

    // executable not found or couldn't be started
    if (eError != osl_Process_E_None)
        return false;

    bool bRet = true;
    if (bCheckExitCode)
    {
        // check its return codes ...
        oslProcessInfo aInfo;
        aInfo.Size = sizeof (oslProcessInfo);
        eError = osl_getProcessInfo(hProcess, osl_Process_EXITCODE, &aInfo);

        if (eError != osl_Process_E_None)
            bRet = false;
        else
            bRet = (aInfo.Code == 0);
    }
    osl_freeProcessHandle(hProcess);
    return bRet;
}

} // namespace framework

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */