001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.ui.apps.shell;
029
030import org.opencms.file.CmsObject;
031import org.opencms.main.CmsShell;
032import org.opencms.module.Messages;
033import org.opencms.report.A_CmsReportThread;
034
035import java.io.ByteArrayOutputStream;
036import java.io.PrintStream;
037
038/**
039 * Thread for run shell script
040 */
041public class CmsShellScriptThread extends A_CmsReportThread {
042
043    /** Object used as lock to prevent multiple shell script threads from running at the same time. */
044    private static final Object LOCK = new Object();
045
046    /**Script to run.*/
047    private String m_script;
048
049    /**
050     * public constructor.<p>
051     *
052     * @param cms CmsObject
053     * @param script Script to run
054     */
055    public CmsShellScriptThread(CmsObject cms, String script) {
056
057        super(cms, "shellscript");
058        initHtmlReport(cms.getRequestContext().getLocale());
059        m_script = script;
060    }
061
062    /**
063     * @see org.opencms.report.A_CmsReportThread#getReportUpdate()
064     */
065    @Override
066    public String getReportUpdate() {
067
068        return getReport().getReportUpdate();
069    }
070
071    /**
072     * @see java.lang.Thread#run()
073     */
074    @Override
075    public void run() {
076
077        synchronized (LOCK) {
078            String script = "echo on\n" + m_script;
079            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
080            PrintStream out = new PrintStream(buffer);
081            final CmsShell shell = new CmsShell(getCms(), "${user}@${project}:${siteroot}|${uri}>", null, out, out);
082
083            String[] subscripts = script.split("\n");
084            int stringPos = 0;
085            for (String subscript : subscripts) {
086                shell.execute(subscript);
087                out.flush();
088                String res = buffer.toString();
089                getReport().println(
090                    Messages.get().container(Messages.RPT_IMPORT_SCRIPT_OUTPUT_1, res.substring(stringPos)));
091                stringPos = res.length();
092            }
093        }
094    }
095
096}