cmssetupbean.java

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/*
 * File   : $Source: /usr/local/cvs/opencms/src-setup/org/opencms/setup/CmsSetupBean.java,v $
 * Date   : $Date: 2007-08-22 11:11:37 $
 * Version: $Revision: 1.1 $
 *
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) 2002 - 2007 Alkacon Software GmbH (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software GmbH, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.setup;

import org.opencms.configuration.CmsConfigurationException;
import org.opencms.configuration.CmsConfigurationManager;
import org.opencms.configuration.CmsImportExportConfiguration;
import org.opencms.configuration.CmsModuleConfiguration;
import org.opencms.configuration.CmsSearchConfiguration;
import org.opencms.configuration.CmsSystemConfiguration;
import org.opencms.configuration.CmsVfsConfiguration;
import org.opencms.configuration.CmsWorkplaceConfiguration;
import org.opencms.configuration.I_CmsXmlConfiguration;
import org.opencms.db.CmsDbPool;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsResource;
import org.opencms.i18n.CmsEncoder;
import org.opencms.loader.CmsImageLoader;
import org.opencms.main.CmsLog;
import org.opencms.main.CmsRuntimeException;
import org.opencms.main.CmsShell;
import org.opencms.main.CmsSystemInfo;
import org.opencms.main.I_CmsShellCommands;
import org.opencms.main.Messages;
import org.opencms.main.OpenCms;
import org.opencms.main.OpenCmsServlet;
import org.opencms.module.CmsModule;
import org.opencms.module.CmsModuleManager;
import org.opencms.report.CmsShellReport;
import org.opencms.setup.comptest.CmsSetupTestResult;
import org.opencms.setup.comptest.CmsSetupTestSimapi;
import org.opencms.setup.comptest.I_CmsSetupTest;
import org.opencms.setup.xml.CmsSetupXmlHelper;
import org.opencms.util.CmsFileUtil;
import org.opencms.util.CmsPropertyUtils;
import org.opencms.util.CmsStringUtil;
import org.opencms.util.CmsUUID;
import org.opencms.xml.CmsXmlException;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.LineNumberReader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.Vector;

import javax.servlet.ServletConfig;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;

import org.apache.commons.collections.ExtendedProperties;

/**
 * A java bean as a controller for the OpenCms setup wizard.<p>
 * 
 * It is not allowed to customize this bean with methods for a specific database server setup!<p>
 * 
 * Database server specific settings should be set/read using get/setDbProperty, as for example like:
 * 
 * <pre>
 * setDbProperty("oracle.defaultTablespace", value);
 * </pre>
 * <p>
 *
 * @author Thomas Weckert  
 * @author Carsten Weinholz 
 * @author Alexander Kandzior
 * @author Michael Moossen 
 * 
 * @version $Revision: 1.1 $ 
 * 
 * @since 6.0.0 
 */
public class CmsSetupBean implements I_CmsShellCommands {

    /** Folder constant name.<p> */
    public static final String FOLDER_BACKUP = "backup" + File.separatorChar;

    /** Folder constant name.<p> */
    public static final String FOLDER_DATABASE = "database" + File.separatorChar;

    /** Folder constant name.<p> */
    public static final String FOLDER_LIB = "lib" + File.separatorChar;

    /** Folder constant name.<p> */
    public static final String FOLDER_SETUP = "setup" + File.separatorChar;

    /** DB provider constant. */
    public static final String GENERIC_PROVIDER = "generic";

    /** Name of the property file containing HTML fragments for setup wizard and error dialog. */
    public static final String HTML_MESSAGE_FILE = "org/opencms/setup/htmlmsg.properties";

    /** DB provider constant for maxdb. */
    public static final String MAXDB_PROVIDER = "maxdb";

    /** DB provider constant for mysql. */
    public static final String MYSQL_PROVIDER = "mysql";

    /** DB provider constant for oracle. */
    public static final String ORACLE_PROVIDER = "oracle";

    /** DB provider constant for postgresql. */
    public static final String POSTGRESQL_PROVIDER = "postgresql";

    /** Required files per database server setup. */
    static final String[] REQUIRED_DB_SETUP_FILES = {
        "step_4_database_setup.jsp",
        "database.properties",
        "create_db.sql",
        "create_tables.sql",
        "drop_db.sql",
        "drop_tables.sql"};

    /** Contains HTML fragments for the output in the JSP pages of the setup wizard. */
    private static Properties m_htmlProps;

    /** A map with all available modules. */
    protected Map m_availableModules;

    /** A CmsObject to execute shell commands. */
    protected CmsObject m_cms;

    /** A list with the package names of the modules to be installed .*/
    protected List m_installModules;

    /** Location for log file.  */
    protected String m_logFile = CmsSystemInfo.FOLDER_WEBINF + CmsLog.FOLDER_LOGS + "setup.log";

    /** Location for logs relative to the webapp folder.  */
    protected String m_logsFolder = CmsSystemInfo.FOLDER_WEBINF + CmsLog.FOLDER_LOGS;

    /** A map with lists of dependent module package names keyed by module package names. */
    protected Map m_moduleDependencies;

    /** A map with all available modules filenames. */
    protected Map m_moduleFilenames;

    /** Location for module archives relative to the webapp folder.  */
    protected String m_modulesFolder = CmsSystemInfo.FOLDER_WEBINF
        + CmsSystemInfo.FOLDER_PACKAGES
        + CmsSystemInfo.FOLDER_MODULES;

    /** The new logging offset in the workplace import thread. */
    protected int m_newLoggingOffset;

    /** The lod logging offset in the workplace import thread. */
    protected int m_oldLoggingOffset;

    /** The absolute path to the home directory of the OpenCms webapp. */
    protected String m_webAppRfsPath;

    /** The absolute path to the config sub directory of the OpenCms web application. */
    private String m_configRfsPath;

    /** Key of the selected database server (e.g. "mysql", "generic" or "oracle") */
    private String m_databaseKey;

    /** List of keys of all available database server setups (e.g. "mysql", "generic" or "oracle") */
    private List m_databaseKeys;

    /** Map of database setup properties of all available database server setups keyed by their database keys. */
    private Map m_databaseProperties;

    /** Password used for the JDBC connection when the OpenCms database is created. */
    private String m_dbCreatePwd;

    /** The name of the default web application (in web.xml). */
    private String m_defaultWebApplication;

    /** Contains the error messages to be displayed in the setup wizard. */
    private List m_errors;

    /** Contains the properties of "opencms.properties". */
    private ExtendedProperties m_extProperties;

    /** The Database Provider used in setup. */
    private String m_provider;

    /** A map with tokens ${...} to be replaced in SQL scripts. */
    private Map m_replacer;

    /** The initial servlet configuration. */
    private ServletConfig m_servletConfig;

    /** The servlet mapping (in web.xml). */
    private String m_servletMapping;

    /** List of sorted keys by ranking of all available database server setups (e.g. "mysql", "generic" or "oracle") */
    private List m_sortedDatabaseKeys;

    /** The workplace import thread. */
    private CmsSetupWorkplaceImportThread m_workplaceImportThread;

    /** Xml read/write helper object. */
    private CmsSetupXmlHelper m_xmlHelper;

    /** 
     * Default constructor.<p>
     */
    public CmsSetupBean() {

        initHtmlParts();
    }

    /**
     * Restores the opencms.xml either to or from a backup file, depending
     * whether the setup wizard is executed the first time (the backup
     * does not exist) or not (the backup exists).
     * 
     * @param filename something like e.g. "opencms.xml"
     * @param originalFilename the configurations real file name, e.g. "opencms.xml.ori"
     */
    public void backupConfiguration(String filename, String originalFilename) {

        // ensure backup folder exists
        File backupFolder = new File(m_configRfsPath + FOLDER_BACKUP);
        if (!backupFolder.exists()) {
            backupFolder.mkdirs();
        }

        // copy file to (or from) backup folder
        originalFilename = FOLDER_BACKUP + originalFilename;
        File file = new File(m_configRfsPath + originalFilename);
        if (file.exists()) {
            copyFile(originalFilename, filename);
        } else {
            copyFile(filename, originalFilename);
        }
    }

    /**
     * Checks the ethernet address value and generates a dummy address, if necessary.<p>     *
     */
    public void checkEthernetAddress() {

        // check the ethernet address in order to generate a random address, if not available                   
        if (CmsStringUtil.isEmpty(getEthernetAddress())) {
            setEthernetAddress(CmsUUID.getDummyEthernetAddress());
        }
    }

    /** 
     * Copies a given file.<p>
     * 
     * @param source the source file
     * @param target the destination file
     */
    public void copyFile(String source, String target) {

        try {
            CmsFileUtil.copy(m_configRfsPath + source, m_configRfsPath + target);
        } catch (IOException e) {
            m_errors.add("Could not copy " + source + " to " + target + " \n");
            m_errors.add(e.toString() + "\n");
        }
    }

    /**
     * Returns html code to display an error.<p> 
     * 
     * @param pathPrefix to adjust the path
     * 
     * @return html code
     */
    public String displayError(String pathPrefix) {

        if (pathPrefix == null) {
            pathPrefix = "";
        }
        StringBuffer html = new StringBuffer(512);
        html.append("<table border='0' cellpadding='5' cellspacing='0' style='width: 100%; height: 100%;'>");
        html.append("\t<tr>");
        html.append("\t\t<td style='vertical-align: middle; height: 100%;'>");
        html.append(getHtmlPart("C_BLOCK_START", "Error"));
        html.append("\t\t\t<table border='0' cellpadding='0' cellspacing='0' style='width: 100%;'>");
        html.append("\t\t\t\t<tr>");
        html.append("\t\t\t\t\t<td><img src='").append(pathPrefix).append("resources/error.png' border='0'></td>");
        html.append("\t\t\t\t\t<td>&nbsp;&nbsp;</td>");
        html.append("\t\t\t\t\t<td style='width: 100%;'>");
        html.append("\t\t\t\t\t\tThe Alkacon OpenCms setup wizard has not been started correctly!<br>");
        html.append("\t\t\t\t\t\tPlease click <a href='").append(pathPrefix);
        html.append("index.jsp'>here</a> to restart the wizard.");
        html.append("\t\t\t\t\t</td>");
        html.append("\t\t\t\t</tr>");
        html.append("\t\t\t</table>");
        html.append(getHtmlPart("C_BLOCK_END"));
        html.append("\t\t</td>");
        html.append("\t</tr>");
        html.append("</table>");
        return html.toString();
    }

    /**
     * Returns html code to display the errors occured.<p> 
     * 
     * @param pathPrefix to adjust the path
     * 
     * @return html code
     */
    public String displayErrors(String pathPrefix) {

        if (pathPrefix == null) {
            pathPrefix = "";
        }
        StringBuffer html = new StringBuffer(512);
        html.append("<table border='0' cellpadding='5' cellspacing='0' style='width: 100%; height: 100%;'>");
        html.append("\t<tr>");
        html.append("\t\t<td style='vertical-align: middle; height: 100%;'>");
        html.append(getHtmlPart("C_BLOCK_START", "Error"));
        html.append("\t\t\t<table border='0' cellpadding='0' cellspacing='0' style='width: 100%;'>");
        html.append("\t\t\t\t<tr>");
        html.append("\t\t\t\t\t<td><img src='").append(pathPrefix).append("resources/error.png' border='0'></td>");
        html.append("\t\t\t\t\t<td>&nbsp;&nbsp;</td>");
        html.append("\t\t\t\t\t<td style='width: 100%;'>");

        Iterator iter = getErrors().iterator();
        while (iter.hasNext()) {