cmsdrivermanager.java

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/*
 * File   : $Source: /usr/local/cvs/opencms/src/org/opencms/db/CmsDriverManager.java,v $
 * Date   : $Date: 2007-09-12 08:43:27 $
 * Version: $Revision: 1.599 $
 *
 * 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.db;

import org.opencms.configuration.CmsConfigurationManager;
import org.opencms.configuration.CmsSystemConfiguration;
import org.opencms.file.CmsDataAccessException;
import org.opencms.file.CmsFile;
import org.opencms.file.CmsFolder;
import org.opencms.file.CmsGroup;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsProject;
import org.opencms.file.CmsProperty;
import org.opencms.file.CmsPropertyDefinition;
import org.opencms.file.CmsRequestContext;
import org.opencms.file.CmsResource;
import org.opencms.file.CmsResourceFilter;
import org.opencms.file.CmsUser;
import org.opencms.file.CmsVfsException;
import org.opencms.file.CmsVfsResourceAlreadyExistsException;
import org.opencms.file.CmsVfsResourceNotFoundException;
import org.opencms.file.history.CmsHistoryFile;
import org.opencms.file.history.CmsHistoryFolder;
import org.opencms.file.history.CmsHistoryPrincipal;
import org.opencms.file.history.CmsHistoryProject;
import org.opencms.file.history.I_CmsHistoryResource;
import org.opencms.file.types.CmsResourceTypeFolder;
import org.opencms.file.types.CmsResourceTypeJsp;
import org.opencms.file.types.I_CmsResourceType;
import org.opencms.flex.CmsFlexRequestContextInfo;
import org.opencms.i18n.CmsLocaleManager;
import org.opencms.i18n.CmsMessageContainer;
import org.opencms.lock.CmsLock;
import org.opencms.lock.CmsLockException;
import org.opencms.lock.CmsLockFilter;
import org.opencms.lock.CmsLockManager;
import org.opencms.lock.CmsLockType;
import org.opencms.main.CmsEvent;
import org.opencms.main.CmsException;
import org.opencms.main.CmsIllegalArgumentException;
import org.opencms.main.CmsIllegalStateException;
import org.opencms.main.CmsInitException;
import org.opencms.main.CmsLog;
import org.opencms.main.CmsMultiException;
import org.opencms.main.I_CmsEventListener;
import org.opencms.main.OpenCms;
import org.opencms.module.CmsModule;
import org.opencms.publish.CmsPublishEngine;
import org.opencms.publish.CmsPublishJobInfoBean;
import org.opencms.publish.CmsPublishReport;
import org.opencms.relations.CmsLink;
import org.opencms.relations.CmsRelation;
import org.opencms.relations.CmsRelationFilter;
import org.opencms.relations.CmsRelationSystemValidator;
import org.opencms.relations.CmsRelationType;
import org.opencms.relations.I_CmsLinkParseable;
import org.opencms.report.CmsLogReport;
import org.opencms.report.I_CmsReport;
import org.opencms.security.CmsAccessControlEntry;
import org.opencms.security.CmsAccessControlList;
import org.opencms.security.CmsAuthentificationException;
import org.opencms.security.CmsOrganizationalUnit;
import org.opencms.security.CmsPasswordEncryptionException;
import org.opencms.security.CmsPermissionSet;
import org.opencms.security.CmsPermissionSetCustom;
import org.opencms.security.CmsRole;
import org.opencms.security.CmsSecurityException;
import org.opencms.security.I_CmsPermissionHandler;
import org.opencms.security.I_CmsPrincipal;
import org.opencms.util.CmsFileUtil;
import org.opencms.util.CmsStringUtil;
import org.opencms.util.CmsUUID;
import org.opencms.workplace.commons.CmsProgressThread;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

import org.apache.commons.collections.ExtendedProperties;
import org.apache.commons.dbcp.PoolingDriver;
import org.apache.commons.logging.Log;
import org.apache.commons.pool.ObjectPool;

/**
 * The OpenCms driver manager.<p>
 * 
 * @author Alexander Kandzior 
 * @author Thomas Weckert 
 * @author Carsten Weinholz 
 * @author Michael Emmerich 
 * @author Michael Moossen
 * 
 * @since 6.0.0
 */
public final class CmsDriverManager implements I_CmsEventListener {

    /**
     * Enumeration class for the mode parameter in the 
     * {@link CmsDriverManager#readChangedResourcesInsideProject(CmsDbContext, CmsUUID, CmsReadChangedProjectResourceMode)} 
     * method.<p>
     */
    private static class CmsReadChangedProjectResourceMode {

        /**
         * Default constructor.<p>
         */
        protected CmsReadChangedProjectResourceMode() {

            // noop
        }
    }

    /** Cache key for all properties. */
    public static final String CACHE_ALL_PROPERTIES = "_CAP_";

    /** 
     * Values indicating changes of a resource, 
     * ordered according to the scope of the change. 
     */
    /** Value to indicate a change in access control entries of a resource. */
    public static final int CHANGED_ACCESSCONTROL = 1;

    /** Value to indicate a content change. */
    public static final int CHANGED_CONTENT = 16;

    /** Value to indicate a change in the lastmodified settings of a resource. */
    public static final int CHANGED_LASTMODIFIED = 4;

    /** Value to indicate a change in the resource data. */
    public static final int CHANGED_RESOURCE = 8;

    /** Value to indicate a change in the availability timeframe. */
    public static final int CHANGED_TIMEFRAME = 2;

    /** 
     * "driver.backup" string in the configuration-file. 
     * @deprecated use {@link #CONFIGURATION_HISTORY} instead 
     */
    public static final String CONFIGURATION_BACKUP = "driver.backup";

    /** "cache" string in the configuration-file. */
    public static final String CONFIGURATION_CACHE = "cache";

    /** "db" string in the configuration-file. */
    public static final String CONFIGURATION_DB = "db";

    /** "driver.history" string in the configuration-file. */
    public static final String CONFIGURATION_HISTORY = "driver.history";

    /** "driver.project" string in the configuration-file. */
    public static final String CONFIGURATION_PROJECT = "driver.project";

    /** "driver.user" string in the configuration-file. */
    public static final String CONFIGURATION_USER = "driver.user";

    /** "driver.vfs" string in the configuration-file. */
    public static final String CONFIGURATION_VFS = "driver.vfs";

    /** The vfs path of the loast and found folder. */
    public static final String LOST_AND_FOUND_FOLDER = "/system/lost-found";

    /** The maximum length of a VFS resource path. */
    public static final int MAX_VFS_RESOURCE_PATH_LENGTH = 512;

    /** Key for indicating no changes. */
    public static final int NOTHING_CHANGED = 0;

    /** Indicates to ignore the resource path when matching resources. */
    public static final String READ_IGNORE_PARENT = null;

    /** Indicates to ignore the time value. */
    public static final long READ_IGNORE_TIME = 0L;

    /** Indicates to ignore the resource type when matching resources. */
    public static final int READ_IGNORE_TYPE = -1;

    /** Indicates to match resources NOT having the given state. */
    public static final int READMODE_EXCLUDE_STATE = 8;

    /** Indicates to match immediate children only. */
    public static final int READMODE_EXCLUDE_TREE = 1;

    /** Indicates to match resources NOT having the given type. */
    public static final int READMODE_EXCLUDE_TYPE = 4;

    /** Mode for reading project resources from the db. */
    public static final int READMODE_IGNORESTATE = 0;

    /** Indicates to match resources in given project only. */
    public static final int READMODE_INCLUDE_PROJECT = 2;

    /** Indicates to match all successors. */
    public static final int READMODE_INCLUDE_TREE = 0;

    /** Mode for reading project resources from the db. */
    public static final int READMODE_MATCHSTATE = 1;

    /** Indicates if only file resources should be read. */
    public static final int READMODE_ONLY_FILES = 128;

    /** Indicates if only folder resources should be read. */
    public static final int READMODE_ONLY_FOLDERS = 64;

    /** Mode for reading project resources from the db. */
    public static final int READMODE_UNMATCHSTATE = 2;

    /** Prefix char for temporary files in the VFS. */
    public static final String TEMP_FILE_PREFIX = "~";

    /** Key to indicate complete update. */
    public static final int UPDATE_ALL = 3;

    /** Key to indicate update of resource record. */
    public static final int UPDATE_RESOURCE = 4;

    /** Key to indicate update of last modified project reference. */
    public static final int UPDATE_RESOURCE_PROJECT = 6;

    /** Key to indicate update of resource state. */
    public static final int UPDATE_RESOURCE_STATE = 1;

    /** Key to indicate update of resource state including the content date. */
    public static final int UPDATE_RESOURCE_STATE_CONTENT = 7;

    /** Key to indicate update of structure record. */
    public static final int UPDATE_STRUCTURE = 5;

    /** Key to indicate update of structure state. */
    public static final int UPDATE_STRUCTURE_STATE = 2;

    /** The log object for this class. */
    private static final Log LOG = CmsLog.getLog(CmsDriverManager.class);

    /** Constant mode parameter to read all files and folders in the {@link #readChangedResourcesInsideProject(CmsDbContext, CmsUUID, CmsReadChangedProjectResourceMode)}} method. */
    private static final CmsReadChangedProjectResourceMode RCPRM_FILES_AND_FOLDERS_MODE = new CmsReadChangedProjectResourceMode();

    /** Constant mode parameter to read all files and folders in the {@link #readChangedResourcesInsideProject(CmsDbContext, CmsUUID, CmsReadChangedProjectResourceMode)}} method. */
    private static final CmsReadChangedProjectResourceMode RCPRM_FILES_ONLY_MODE = new CmsReadChangedProjectResourceMode();

    /** Constant mode parameter to read all files and folders in the {@link #readChangedResourcesInsideProject(CmsDbContext, CmsUUID, CmsReadChangedProjectResourceMode)}} method. */
    private static final CmsReadChangedProjectResourceMode RCPRM_FOLDERS_ONLY_MODE = new CmsReadChangedProjectResourceMode();

    /** The list of initialized JDBC pools. */
    private List m_connectionPools;

    /** The history driver. */
    private I_CmsHistoryDriver m_historyDriver;

    /** The HTML link validator. */
    private CmsRelationSystemValidator m_htmlLinkValidator;

    /** The class used for cache key generation. */
    private I_CmsCacheKey m_keyGenerator;

    /** The lock manager. */
    private CmsLockManager m_lockManager;

    /** The project driver. */
    private I_CmsProjectDriver m_projectDriver;

    /** The the configuration read from the <code>opencms.properties</code> file. */
    private ExtendedProperties m_propertyConfiguration;

    /* the publish engine. */