| 1 | ###########################################################################
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| 2 | #
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| 3 | # OpenOfficeConverter - helper plugin that does office document conversion
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| 4 | # using jodconverter combined with OpenOffice
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| 5 | #
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| 6 | # A component of the Greenstone digital library software
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| 7 | # from the New Zealand Digital Library Project at the
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| 8 | # University of Waikato, New Zealand.
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| 9 | #
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| 10 | # Copyright (C) 2010 New Zealand Digital Library Project
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| 11 | #
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| 12 | # This program is free software; you can redistribute it and/or modify
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| 13 | # it under the terms of the GNU General Public License as published by
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| 14 | # the Free Software Foundation; either version 2 of the License, or
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| 15 | # (at your option) any later version.
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| 16 | #
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| 17 | # This program is distributed in the hope that it will be useful,
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| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | # GNU General Public License for more details.
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| 21 | #
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| 22 | # You should have received a copy of the GNU General Public License
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| 23 | # along with this program; if not, write to the Free Software
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| 24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | #
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| 26 | ###########################################################################
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| 27 | package OpenOfficeConverter;
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| 28 |
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| 29 | use ConvertBinaryFile;
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| 30 | use BaseMediaConverter;
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| 31 |
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| 32 | use strict;
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| 33 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 34 |
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| 35 | use gsprintf 'gsprintf';
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| 36 |
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| 37 | # these two variables mustn't be initialised here or they will get stuck
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| 38 | # at those values.
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| 39 | our $openoffice_conversion_available;
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| 40 | our $no_openoffice_conversion_reason;
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| 41 |
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| 42 | BEGIN {
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| 43 | @OpenOfficeConverter::ISA = ('BaseMediaConverter');
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| 44 |
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| 45 | # Check that OpenOffice and jodconverter are installed and available on
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| 46 | # the path
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| 47 | $openoffice_conversion_available = 1;
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| 48 | $no_openoffice_conversion_reason = "";
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| 49 |
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| 50 | if (! defined $ENV{'GEXT_OPENOFFICE'}) {
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| 51 | $openoffice_conversion_available = 0;
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| 52 | $no_openoffice_conversion_reason = "gextopenofficenotinstalled";
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| 53 | }
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| 54 | else {
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| 55 | my $gextoo_home = $ENV{'GEXT_OPENOFFICE'};
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| 56 | #my $jodjar = &FileUtils::filenameConcatenate($gextoo_home,"lib","java","jodconverter.jar");
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| 57 | my $jodjar = &FileUtils::filenameConcatenate($gextoo_home,"jodconverter-2.2.2","lib","jodconverter-cli-2.2.2.jar");
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| 58 |
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| 59 | if (!-e $jodjar) {
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| 60 | #print STDERR "Failed to find $jodjar\n";
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| 61 | $openoffice_conversion_available = 0;
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| 62 | $no_openoffice_conversion_reason = "gextjodconverternotinstalled";
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| 63 | }
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| 64 | else {
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| 65 | # test to see if soffice is in path
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| 66 |
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| 67 | if(!defined $ENV{'SOFFICE_HOST'}) {
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| 68 | $ENV{'SOFFICE_HOST'} = "localhost";
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| 69 | }
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| 70 | if(!defined $ENV{'SOFFICE_PORT'}) {
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| 71 | $ENV{'SOFFICE_PORT'} = "8100";
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| 72 | }
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| 73 |
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| 74 | #my $cmd = "soffice --headless 2>&1"; # for linux and mac
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| 75 | my $cmd = "soffice \"--accept=socket,host=$ENV{'SOFFICE_HOST'},port=$ENV{'SOFFICE_PORT'};urp;StarOffice.ServiceManager\" --headless"; # basic shared command
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| 76 | my $status = 0;
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| 77 |
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| 78 | # No more JODCONVERTER_PORT env var: the port that jodconverter uses is now the
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| 79 | # same as SOFFICE_PORT, because the 2 are meant to communicate on the same port.
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| 80 | # The default port that jodconverter expects OO (OpenOffice/libreoffice/soffice/staroffice) to listen on is 8100, so we try that.
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| 81 | if ($ENV{'GSDLOS'} =~ m/^windows$/) {
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| 82 |
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| 83 | # important to have this set when the Greenstone server
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| 84 | # and open office is on a remote windows machine
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| 85 | if(!defined $ENV{'SOFFICE_HOME'}) {
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| 86 | # check all the favourite haunts of openoffice in turn
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| 87 | $ENV{'SOFFICE_HOME'} = &util::get_first_existing_dir(
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| 88 | &FileUtils::filenameConcatenate($ENV{'ProgramFiles'},"OpenOffice.org 3"),
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| 89 | &FileUtils::filenameConcatenate($ENV{'ProgramFiles(X86)'},"OpenOffice.org 3"),
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| 90 | &FileUtils::filenameConcatenate($ENV{'ProgramFiles'},"LibreOffice"),
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| 91 | &FileUtils::filenameConcatenate($ENV{'ProgramFiles(X86)'},"LibreOffice")
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| 92 | );
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| 93 |
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| 94 | # These 2 env vars are diff and appear as expected when printed out in a cmd prompt on a 64 bit Windows. But on same machine
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| 95 | # in perl, at least when launched through (Java 32 bit) GLI, their values shown as the same: as "C:\Program Files (x86)"
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| 96 | #print STDERR "@@@@ ProgFiles: $ENV{'ProgramFiles'}\n";
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| 97 | #print STDERR "@@@@ ProgFiles x86: $ENV{'ProgramFiles(X86)'}\n";
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| 98 | }
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| 99 | if(defined $ENV{'SOFFICE_HOME'}) {
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| 100 | #print STDERR "@@@@ Found $ENV{'SOFFICE_HOME'}\n";
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| 101 | my $ooffice_dir_guess =
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| 102 | &FileUtils::filenameConcatenate($ENV{'SOFFICE_HOME'},"program");
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| 103 | if (-d $ooffice_dir_guess) {
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| 104 | &util::envvar_append("PATH",$ooffice_dir_guess);
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| 105 | }
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| 106 | }
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| 107 |
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| 108 | # for windows, when working on a remote system, want to be able to start OO if
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| 109 | # not already running. We'll use the uno socket method to do so. Else client-gli
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| 110 | # tends to hang, waiting for the prompt to return after OO has been started up
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| 111 | # (which doesn't happen, so need to Ctrl-C GLI and run it again for it to work).
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| 112 |
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| 113 | # first need to silently check soffice exists else windows will display a popup
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| 114 | $status = system("which soffice >nul 2>&1"); # which.exe should be in bin/windows
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| 115 | if ($status == 0) {
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| 116 | #$cmd = "start \"soffice process\" $cmd >nul 2>&1"; # order of >nul and 2>&1 matters, see below
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| 117 |
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| 118 | # On Windows, when perl/C/C++ uses system() to launch any standalone process in the background
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| 119 | # with "start \"window title\" cmd", perl's child process (despite being mostly independent/detached
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| 120 | # from perl) *appears* to share stdout/stderr (stdin) streams with the parent perl process. This is
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| 121 | # noticeable with perl launching soffice or any program that neither writes to stderr/out nor sends
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| 122 | # eof/eos to indicate parent perl's streams are closed (e.g. Notepad).
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| 123 | # This is *not* a problem when perl scripts are run from command line. Command line programs run fine.
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| 124 | # But when combined with SafeProcess used by GLI, such silent standalone programs like soffice
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| 125 | # cause GLI to hang every time right until the silent program's terminated, because SafeProcess' join()
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| 126 | # calls on the perl child process' stderr and stdout block at SafeProcess.InputStreamGobbler.readLine(),
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| 127 | # because these stderr/out streams didn't receive eof/eos, implying the silent grandchild process
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| 128 | # somehow kept them open.
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| 129 | # This is true at Windows/C's system() command level: InputStreamGobblers using join() calls (as SafeProcess
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| 130 | # does), combined with a c++ program that uses system() that launches something like Notepad, just all block
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| 131 | # until Notepad is closed.
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| 132 | # When perl calls a custom java BackgroundLauncher.java program to launch an external program with Runtime.exec(),
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| 133 | # this hanging problem doesn't happen as java's exec() is not implemented with Windows C's system().
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| 134 | # Similarly, a WScript file (vbs or js script) that uses WinScriptHost.Run method to run an external program
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| 135 | # also doesn't exhibit this problem. So we use a custom vbs script to launch external programs like soffice in
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| 136 | # the background from perl (to avoid having to set up Java or have the java program compiled up by the release-kits,
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| 137 | # since perl building scripts are not just run from GLI but are also run directly from the cmd line).
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| 138 |
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| 139 | $cmd = "CScript //Nologo $ENV{'GSDLHOME'}\\bin\\windows\\background-launcher.vbs $cmd";
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| 140 |
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| 141 | #print STDERR "***** Tried to start-up OpenOffice with:\n$cmd\n";
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| 142 | }
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| 143 | # else cmd is still undefined
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| 144 | }
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| 145 | else {
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| 146 | # Windows seems to launch OpenOffice as a service (i.e.
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| 147 | # automatically puts it in the background).
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| 148 | # For Unix putting it in the background needs to be done
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| 149 | # explicitly by appending & to the end
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| 150 |
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| 151 | # IMPORTANT! When redirecting output from 2>&1 to a file or null, >/dev/null (or >out.txt) should come BEFORE 2>&1
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| 152 | # i.e. $some_cmd >out.txt 2>&1 and likewise $some_cmd >/dev/null 2>&1
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| 153 | # Doing it in the wrong order further causes problems with SafeProcess when GLI starts up and calls pluginfo on the pluginslist:
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| 154 | # SafeProcess blocks forever on read() from stdout of the process running pluginfo, because there's never data including no eof/eos
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| 155 | # on the process' stdout when running this command in the wrong order.
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| 156 | $cmd .= " >/dev/null 2>&1 &";
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| 157 | }
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| 158 |
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| 159 | #print STDERR "@@@@ running: $cmd\n";
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| 160 |
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| 161 | $status = system($cmd) if ($status == 0);
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| 162 | if ($status != 0) {
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| 163 | #print STDERR "Failed to run: $cmd\n";
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| 164 | #print STDERR "$!\n";
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| 165 | $openoffice_conversion_available = 0;
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| 166 | $no_openoffice_conversion_reason = "openofficenotinstalled";
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| 167 | }
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| 168 | }
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| 169 | }
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| 170 | }
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| 171 |
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| 172 | my $arguments = [
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| 173 | { 'name' => "openoffice_port",
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| 174 | 'desc' => "{OpenOfficeConverter.openoffice_port}",
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| 175 | 'type' => "int",
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| 176 | 'deft' => "8100",
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| 177 | 'range' => "81,",
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| 178 | 'reqd' => "no" },
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| 179 | ];
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| 180 |
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| 181 |
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| 182 | my $options = { 'name' => "OpenOfficeConverter",
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| 183 | 'desc' => "{OpenOfficeConverter.desc}",
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| 184 | 'abstract' => "yes",
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| 185 | 'inherits' => "yes",
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| 186 | 'args' => $arguments };
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| 187 |
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| 188 | sub new {
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| 189 | my ($class) = shift (@_);
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| 190 | my ($pluginlist,$inputargs,$hashArgOptLists,$auxilary) = @_;
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| 191 | push(@$pluginlist, $class);
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| 192 |
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| 193 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 194 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 195 |
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| 196 | my $self = new BaseMediaConverter($pluginlist, $inputargs,
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| 197 | $hashArgOptLists, $auxilary);
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| 198 |
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| 199 | if ($self->{'info_only'}) {
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| 200 | # don't worry about any options etc
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| 201 | return bless $self, $class;
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| 202 | }
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| 203 | if (!$openoffice_conversion_available) {
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| 204 | $self->{'no_openoffice_conversion_reason'} = $no_openoffice_conversion_reason;
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| 205 |
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| 206 | my $outhandle = $self->{'outhandle'};
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| 207 | &gsprintf($outhandle, "OpenOfficeConverter: {OpenOfficeConverter.noconversionavailable} ({OpenOfficeConverter.$no_openoffice_conversion_reason})\n");
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| 208 | }
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| 209 |
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| 210 | $self->{'openoffice_conversion_available'} = $openoffice_conversion_available;
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| 211 |
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| 212 | return bless $self, $class;
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| 213 |
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| 214 | }
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| 215 |
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| 216 | # launch_cmd variable seems to be entirely unused
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| 217 | sub init {
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| 218 | my $self = shift(@_);
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| 219 | my ($verbosity, $outhandle, $failhandle) = @_;
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| 220 |
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| 221 | if ($openoffice_conversion_available) {
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| 222 | my $oo_port = $self->{'openoffice_port'};
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| 223 |
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| 224 | my $launch_cmd = "soffice";
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| 225 | $launch_cmd .= " \"--accept=socket,host=localhost,port=$oo_port;urp;StarOffice.ServiceManager\"";
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| 226 | $launch_cmd .= " --headless";
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| 227 | $self->{'openoffice_launch_cmd'} = $launch_cmd;
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| 228 | }
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| 229 |
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| 230 | $self->{'ootmp_file_paths'} = ();
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| 231 | }
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| 232 |
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| 233 | sub deinit {
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| 234 | my $self = shift(@_);
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| 235 |
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| 236 | $self->clean_up_temporary_files();
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| 237 | }
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| 238 |
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| 239 |
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| 240 | sub convert {
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| 241 | my $self = shift(@_);
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| 242 | my $source_file_full_path = shift(@_);
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| 243 | my $target_file_type = shift(@_);
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| 244 | my $convert_options = shift(@_) || "";
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| 245 | my $convert_id = shift(@_) || "";
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| 246 | my $cache_mode = shift(@_) || "";
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| 247 |
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| 248 | return (0,undef,undef) unless $openoffice_conversion_available;
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| 249 | # check the filename
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| 250 | return (0,undef,undef) if ( !-f $source_file_full_path);
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| 251 |
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| 252 | my $outhandle = $self->{'outhandle'};
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| 253 | my $verbosity = $self->{'verbosity'};
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| 254 |
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| 255 | my $source_file_no_path = &File::Basename::basename($source_file_full_path);
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| 256 | # Determine the full name and path of the output file
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| 257 | my $target_file_path;
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| 258 | if ($self->{'enable_cache'}) {
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| 259 | $self->init_cache_for_file($source_file_full_path);
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| 260 | my $cache_dir = $self->{'cached_dir'};
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| 261 | my $file_root = $self->{'cached_file_root'};
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| 262 | $file_root .= "_$convert_id" if ($convert_id ne "");
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| 263 | my $target_file = "$file_root.$target_file_type";
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| 264 | $target_file_path = &FileUtils::filenameConcatenate($cache_dir,$target_file);
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| 265 | }
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| 266 | else {
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| 267 | $target_file_path = &util::get_timestamped_tmp_filename_in_collection($source_file_full_path, $target_file_type);
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| 268 | push(@{$self->{'ootmp_file_paths'}}, $target_file_path);
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| 269 | }
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| 270 |
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| 271 | # Generate and run the convert command
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| 272 |
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| 273 | my $gextoo_home = $ENV{'GEXT_OPENOFFICE'};
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| 274 | #my $jodjar = &FileUtils::filenameConcatenate($gextoo_home,"lib","java","jodconverter.jar");
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| 275 | my $jodjar = &FileUtils::filenameConcatenate($gextoo_home,"jodconverter-2.2.2","lib","jodconverter-cli-2.2.2.jar");
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| 276 |
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| 277 | # debugging: print out all the env vars, when import's verbosity is high
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| 278 | #foreach my $key (sort(keys %ENV)) {
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| 279 | # print $outhandle "$key = $ENV{$key}\n";
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| 280 | #}
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| 281 |
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| 282 | # *If* SOFFICE_HOME\program was not added to the PATH, *another* way is to insert:
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| 283 | # -Doffice.home=C:\\PROGRA~1\\OPENOF~1.ORG
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| 284 | # into the command to launch jodconverter so that, when using the remote GS server
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| 285 | # on Windows, jodconverter can find the openoffice installation:
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| 286 |
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| 287 | my $office_short_path;
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| 288 | if(defined $ENV{'SOFFICE_HOME'}) { # points to libreoffice or openoffice, since soffice launches both
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| 289 | if ($ENV{'GSDLOS'} =~ m/^windows$/) {
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| 290 | $office_short_path = Win32::GetShortPathName($ENV{'SOFFICE_HOME'});
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| 291 | } else {
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| 292 | $office_short_path = $ENV{'SOFFICE_HOME'};
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| 293 | }
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| 294 | }
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| 295 | else { # SOFFICE_HOME not user-defined, try defaults
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| 296 | if ($ENV{'GSDLOS'} =~ m/^windows$/) {
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| 297 | $office_short_path = "C:\\PROGRA~1\\OPENOF~1.ORG";
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| 298 | } else {
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| 299 | if (-d "/usr/lib/libreoffice") { # try libreoffice first
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| 300 | $office_short_path = "/usr/lib/libreoffice";
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| 301 | } elsif (-d "/usr/lib/openoffice") { # perhaps it's more likely that openoffice exists (fallback)
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| 302 | $office_short_path = "/usr/lib/openoffice";
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| 303 | } elsif (-d "/usr/lib64/openoffice.org3") { # on 64 bit linux such as kjdon's CentOS
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| 304 | $office_short_path = "/usr/lib64/openoffice.org3";
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| 305 | } else { # set to default linux officeHome which jodconverter tries for
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| 306 | $office_short_path = "/opt/openoffice.org3";
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| 307 | }
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| 308 | }
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| 309 | }
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| 310 |
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| 311 | #if($self->{'openoffice_port'} != $ENV{'SOFFICE_PORT'}) { # if the user changed it
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| 312 | #$ENV{'SOFFICE_PORT'} = $self->{'openoffice_port'};
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| 313 | #}
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| 314 |
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| 315 | # jodjar always assumes that soffice (officeHome) is in "C:\Prog Files\OpenOffice org 3"
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| 316 | # or "/opt/openoffice.org3" rather than checking for any user-defined SOFFICE_HOME var.
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| 317 | # Therefore, we run jodjar with the -Doffice.home flag explicitly set, instead of without.
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| 318 | # my $convert_cmd = "java -jar \"$jodjar\" --port $ENV{'SOFFICE_PORT'}";
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| 319 | my $convert_cmd = "java -Doffice.home=\"".$office_short_path."\" -jar \"$jodjar\" --port $self->{'openoffice_port'}"; # --port $ENV{'SOFFICE_PORT'}
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| 320 | $convert_cmd .= " \"$source_file_full_path\" \"$target_file_path\"";
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| 321 |
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| 322 | if ($verbosity>2) {
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| 323 | print $outhandle "Convert command: $convert_cmd\n";
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| 324 | }
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| 325 |
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| 326 | my $print_info = { 'message_prefix' => "OpenOffice Conversion",
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| 327 | 'message' => "Converting $source_file_no_path to: $target_file_type" };
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| 328 | $print_info->{'cache_mode'} = $cache_mode if ($cache_mode ne "");
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| 329 |
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| 330 | my ($regenerated,$result,$had_error)
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| 331 | = $self->autorun_general_cmd($convert_cmd,$source_file_full_path, $target_file_path,$print_info);
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| 332 | if ($had_error) {
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| 333 | return (0, $result,$target_file_path);
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| 334 | }
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| 335 | return (1, $result,$target_file_path);
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| 336 | }
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| 337 |
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| 338 |
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| 339 | sub convert_without_result {
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| 340 | my $self = shift(@_);
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| 341 |
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| 342 | my $source_file_path = shift(@_);
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| 343 | my $target_file_type = shift(@_);
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| 344 | my $convert_options = shift(@_) || "";
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| 345 | my $convert_id = shift(@_) || "";
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| 346 |
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| 347 | return $self->convert($source_file_path,$target_file_type,
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| 348 | $convert_options,$convert_id,"without_result");
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| 349 | }
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| 350 |
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| 351 |
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| 352 | sub tmp_area_convert_fileXX {
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| 353 | my $self = shift (@_);
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| 354 | my ($output_ext, $input_filename, $textref) = @_;
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| 355 |
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| 356 | my $outhandle = $self->{'outhandle'};
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| 357 | my $convert_to = $self->{'convert_to'};
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| 358 | my $failhandle = $self->{'failhandle'};
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| 359 | my $convert_to_ext = $self->{'convert_to_ext'};
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| 360 |
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| 361 | # derive tmp filename from input filename
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| 362 | my ($tailname, $dirname, $suffix)
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| 363 | = &File::Basename::fileparse($input_filename, "\\.[^\\.]+\$");
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| 364 | }
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| 365 |
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| 366 |
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| 367 | sub clean_up_temporary_files {
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| 368 | my $self = shift(@_);
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| 369 |
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| 370 | foreach my $ootmp_file_path (@{$self->{'ootmp_file_paths'}}) {
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| 371 | if (-e $ootmp_file_path) {
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| 372 | &FileUtils::removeFiles($ootmp_file_path);
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| 373 | }
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| 374 | }
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| 375 |
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| 376 | $self->{'ootmp_file_paths'} = ();
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| 377 | }
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| 378 |
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| 379 |
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| 380 |
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| 381 | 1;
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