/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Portions Copyright 2013-2016 ForgeRock AS.
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*/
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package org.opends.server.tools.upgrade;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.io.FilenameFilter;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.Assertion;
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import org.forgerock.opendj.ldap.Attribute;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.ConditionResult;
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import org.forgerock.opendj.ldap.DN;
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import org.forgerock.opendj.ldap.DecodeException;
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import org.forgerock.opendj.ldap.Entries;
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import org.forgerock.opendj.ldap.Entry;
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import org.forgerock.opendj.ldap.Filter;
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import org.forgerock.opendj.ldap.LinkedHashMapEntry;
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import org.forgerock.opendj.ldap.Matcher;
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import org.forgerock.opendj.ldap.SearchScope;
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import org.forgerock.opendj.ldap.requests.ModifyRequest;
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import org.forgerock.opendj.ldap.requests.Requests;
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import org.forgerock.opendj.ldap.requests.SearchRequest;
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import org.forgerock.opendj.ldap.schema.CoreSchema;
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import org.forgerock.opendj.ldap.schema.MatchingRule;
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import org.forgerock.opendj.ldap.schema.Schema;
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import org.forgerock.opendj.ldap.schema.SchemaBuilder;
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import org.forgerock.opendj.ldif.EntryReader;
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import org.forgerock.opendj.ldif.LDIF;
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import org.forgerock.opendj.ldif.LDIFEntryReader;
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import org.forgerock.opendj.ldif.LDIFEntryWriter;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.util.ChangeOperationType;
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import org.opends.server.util.SchemaUtils;
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import static org.forgerock.opendj.ldap.schema.CoreSchema.*;
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import static org.forgerock.opendj.ldap.schema.SchemaOptions.*;
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import static org.opends.messages.ConfigMessages.*;
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import static org.opends.messages.ToolMessages.*;
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import static org.opends.server.tools.upgrade.FileManager.*;
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import static org.opends.server.tools.upgrade.Installation.*;
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import static org.opends.server.util.ChangeOperationType.*;
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import static org.opends.server.util.ServerConstants.*;
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/** Common utility methods needed by the upgrade. */
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final class UpgradeUtils
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/** The {@code config} folder of the current instance. */
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static final File configDirectory = new File(getInstancePath(), CONFIG_PATH_RELATIVE);
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/** The {@code config/schema} folder of the current instance. */
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static final File configSchemaDirectory = new File(configDirectory, SCHEMA_PATH_RELATIVE);
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/** The {@code config/upgrade} folder of the current instance. */
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private static final File configUpgradeDirectory = new File(configDirectory, "upgrade");
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/** The {@code template} folder of the current installation. */
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private static final File templateDirectory = new File(getInstallationPath(), TEMPLATE_RELATIVE_PATH);
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/** The {@code template/config} folder of the current installation. */
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static final File templateConfigDirectory = new File(templateDirectory, CONFIG_PATH_RELATIVE);
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/** The {@code template/config/schema} folder of the current installation. */
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static final File templateConfigSchemaDirectory = new File(templateConfigDirectory, SCHEMA_PATH_RELATIVE);
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/** The {@code lib} folder of the current installation. */
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static final File libDirectory = new File(getInstallationPath(), LIB_RELATIVE_PATH);
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/** The {@code bin} folder of the current installation. */
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static final File binDirectory = new File(getInstallationPath(), UNIX_BINARIES_PATH_RELATIVE);
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/** The {@code bat} folder of the current installation. */
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static final File batDirectory = new File(getInstallationPath(), WINDOWS_BINARIES_PATH_RELATIVE);
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/** The server configuration file path. */
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static final File configFile = new File(configDirectory, CURRENT_CONFIG_FILE_NAME);
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/** The concatenated schema file of the current installation. */
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static final File concatenatedSchemaFile = new File(configUpgradeDirectory, SCHEMA_CONCAT_FILE_NAME);
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/**
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* Returns the path of the installation of the directory server. Note that
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* this method assumes that this code is being run locally.
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*
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* @return the path of the installation of the directory server.
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*/
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private static String getInstallPathFromClasspath()
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{
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String installPath = DirectoryServer.getServerRoot();
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if (installPath != null)
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{
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return installPath;
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}
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/* Get the install path from the Class Path */
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final String sep = System.getProperty("path.separator");
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final String[] classPaths = System.getProperty("java.class.path").split(sep);
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final String path = getInstallPath(classPaths);
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if (path == null)
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{
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return null;
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}
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/*
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* Do a best effort to avoid having a relative representation
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* (for instance to avoid having ../../../).
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*/
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final File f = new File(path).getAbsoluteFile();
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final File librariesDir = f.getParentFile();
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try
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{
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return librariesDir.getParentFile().getCanonicalPath();
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}
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catch (IOException ignore)
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{
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// Best effort
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return librariesDir.getParent();
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}
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}
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private static String getInstallPath(final String[] classPaths)
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{
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for (String classPath : classPaths)
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{
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final String normPath = classPath.replace(File.separatorChar, '/');
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if (normPath.endsWith(OPENDJ_BOOTSTRAP_JAR_RELATIVE_PATH))
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{
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return classPath;
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}
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}
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return null;
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}
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/**
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* Returns the path of the installation of the directory server. Note that
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* this method assumes that this code is being run locally.
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*
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* @param installPath
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* The installation path
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* @return the path of the installation of the directory server.
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*/
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static String getInstancePathFromInstallPath(final String installPath)
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{
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final File svcScriptPath = new File(installPath, SVC_SCRIPT_FILE_NAME);
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// look for /etc/opt/opendj/instance.loc
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File f = new File(INSTANCE_LOCATION_PATH);
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if (!svcScriptPath.exists() || !f.exists())
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{
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// look for <installPath>/instance.loc
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f = new File(installPath, INSTANCE_LOCATION_PATH_RELATIVE);
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if (!f.exists())
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{
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return installPath;
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}
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}
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// Read the first line and close the file.
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try (BufferedReader reader = new BufferedReader(new FileReader(f)))
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{
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String line = reader.readLine();
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File instanceLoc = new File(line.trim());
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if (instanceLoc.isAbsolute())
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{
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return instanceLoc.getAbsolutePath();
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}
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return new File(installPath, instanceLoc.getPath()).getAbsolutePath();
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}
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catch (IOException e)
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{
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return installPath;
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}
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}
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/**
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* Returns the absolute path for the given file. It tries to get the canonical
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* file path. If it fails it returns the string representation.
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*
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* @param f
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* File to get the path
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* @return the absolute path for the given file.
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*/
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static String getPath(File f)
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{
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if (f == null)
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{
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return null;
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}
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try
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{
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/*
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* Do a best effort to avoid having a relative representation
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* (for instance to avoid having ../../../).
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*/
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return f.getCanonicalFile().toString();
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}
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catch (IOException ignore)
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{
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/*
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* This is a best effort to get the best possible representation of the file:
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* reporting the error is not necessary.
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*/
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return f.toString();
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}
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}
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static File getFileForPath(String path)
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{
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final File f = new File(path);
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return f.isAbsolute() ? f : new File(getInstancePath(), path);
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}
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/**
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* Returns the instance root directory (the path where the instance is
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* installed).
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*
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* @return the instance root directory (the path where the instance is
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* installed).
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*/
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static String getInstancePath()
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{
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final String installPath = getInstallationPath();
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return installPath != null ? getInstancePathFromInstallPath(installPath) : null;
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}
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/**
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* Returns the server's installation path.
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*
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* @return The server's installation path.
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*/
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static String getInstallationPath()
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{
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// The upgrade runs from the bits extracted by BuildExtractor in the staging directory.
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// However we still want the Installation to point at the build being
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// upgraded so the install path reported in [installroot].
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String installationPath = System.getProperty("INSTALL_ROOT");
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if (installationPath != null)
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{
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return installationPath;
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}
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final String path = getInstallPathFromClasspath();
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if (path != null)
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{
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final File f = new File(path);
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if (f.getParentFile() != null
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&& f.getParentFile().getParentFile() != null
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&& new File(f.getParentFile().getParentFile(), LOCKS_PATH_RELATIVE).exists())
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{
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return getPath(f.getParentFile().getParentFile());
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}
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return path;
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}
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return null;
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}
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/**
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* Return a {@link Map} with backend id as key and associated baseDNs as values.
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* <p>
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* Disabled backends are not filtered out.
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*
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* @return A {@link Map} of all enabled backends of the server with their baseDNs.
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*/
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static Map<String, Set<String>> getBaseDNsPerBackendsFromConfig()
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{
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final SearchRequest sr = Requests.newSearchRequest("", SearchScope.WHOLE_SUBTREE,
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"(&(objectclass=ds-cfg-pluggable-backend)(ds-cfg-enabled=true))",
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"ds-cfg-base-dn", "ds-cfg-backend-id");
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final Map<String, Set<String>> baseDNs = new HashMap<>();
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try (final EntryReader entryReader = searchConfigFile(sr))
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{
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while (entryReader.hasNext())
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{
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final Entry entry = entryReader.readEntry();
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baseDNs.put(entry.parseAttribute("ds-cfg-backend-id").asString(),
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entry.parseAttribute("ds-cfg-base-dn").asSetOfString());
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}
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}
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catch (Exception ex)
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{
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logger.error(LocalizableMessage.raw(ex.getMessage()));
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}
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return baseDNs;
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}
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static EntryReader searchConfigFile(final SearchRequest searchRequest) throws FileNotFoundException
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{
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final Schema schema = getUpgradeSchema();
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final File configFile = new File(configDirectory, CURRENT_CONFIG_FILE_NAME);
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final LDIFEntryReader entryReader = new LDIFEntryReader(new FileInputStream(configFile)).setSchema(schema);
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return LDIF.search(entryReader, searchRequest, schema);
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}
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/**
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* Updates the config file during the upgrade process.
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*
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* @param configFile
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* The original path to the file.
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* @param filter
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* The filter to select entries. Only useful for modify change type.
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* @param changeType
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* The change type which must be applied to ldif lines.
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* @param ldifLines
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* The change record ldif lines. For ADD change type, the first line must be the dn. For
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* DELETE change type, the first and only line must be the dn.
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* @throws IOException
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* If an Exception occurs during the input output methods.
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* @return The changes number that have occurred.
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*/
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static int updateConfigFile(final File configFile,
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final Filter filter, final ChangeOperationType changeType,
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final String... ldifLines) throws IOException
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{
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final File copyConfig =
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File.createTempFile("copyConfig", ".tmp", configFile.getParentFile());
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int changeCount = 0;
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final Schema schema = getUpgradeSchema();
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try (LDIFEntryReader entryReader = new LDIFEntryReader(new FileInputStream(configFile)).setSchema(schema);
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LDIFEntryWriter writer = new LDIFEntryWriter(new FileOutputStream(copyConfig)))
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{
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writer.setWrapColumn(80);
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// Writes the header on the new file.
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writer.writeComment(INFO_CONFIG_FILE_HEADER.get());
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writer.setWrapColumn(0);
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DN ldifDN = null;
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Set<DN> ldifDNs = new HashSet<>();
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if (filter == null)
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{
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switch (changeType)
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{
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case ADD:
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// The first line should start with dn:
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ldifDN = DN.valueOf(removeDnPrefix(ldifLines[0]));
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ldifDNs.add(ldifDN);
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break;
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case DELETE:
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// All lines represent dns
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for (String dnLine : ldifLines)
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{
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ldifDNs.add(DN.valueOf(removeDnPrefix(dnLine)));
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}
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break;
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}
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}
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boolean entryAlreadyExist = false;
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final Filter f = filter != null ? filter : Filter.alwaysFalse();
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final Matcher matcher = f.matcher(schema);
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while (entryReader.hasNext())
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{
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Entry entry = entryReader.readEntry();
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final DN entryDN = entry.getName();
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// Searching for the related entries
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if (changeType == MODIFY
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&& matcher.matches(entry) == ConditionResult.TRUE)
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{
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try
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{
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final ModifyRequest mr = Requests.newModifyRequest(
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readLDIFLines(entryDN, changeType, ldifLines));
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entry = Entries.modifyEntryPermissive(entry, mr.getModifications());
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changeCount++;
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logger.debug(LocalizableMessage.raw("The following entry has been modified : %s", entryDN));
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}
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catch (Exception ex)
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{
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logger.error(LocalizableMessage.raw(ex.getMessage()));
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}
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}
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if (ldifDNs.remove(entryDN))
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{
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logger.debug(LocalizableMessage.raw("Entry %s found", entryDN));
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entryAlreadyExist = true;
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if (changeType == DELETE)
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{
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entry = null;
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changeCount++;
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logger.debug(LocalizableMessage.raw("The following entry has been deleted : %s", entryDN));
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}
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}
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if (entry != null)
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{
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writer.writeEntry(entry);
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}
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}
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if (changeType == ADD && !entryAlreadyExist)
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{
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writer.writeEntry(Requests.newAddRequest(ldifLines));
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logger.debug(LocalizableMessage.raw("Entry successfully added %s in %s", ldifDN, configFile.getAbsolutePath()));
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changeCount++;
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}
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}
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catch (Exception ex)
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{
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throw new IOException(ex.getMessage());
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}
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// The reader and writer must be closed before renaming files.
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// Otherwise it causes exceptions under windows OS.
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try
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{
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// Renaming the file, overwriting previous one.
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rename(copyConfig, configFile);
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return changeCount;
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}
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catch (IOException e)
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{
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logger.error(LocalizableMessage.raw(e.getMessage()));
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deleteRecursively(configFile);
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throw e;
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}
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}
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private static String removeDnPrefix(String dnLine)
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{
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return dnLine.replaceFirst("dn: ", "");
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}
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/**
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* This task adds or updates attributes / object classes in the specified
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* destination file. The new attributes and object classes must be originally
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* defined in the template file. The definitions will replace previous definitions
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* if they have the same normalized value (i.e. OID), and add new definitions if
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* they don't previously exist.
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*
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* @param templateFile
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* The file in which the attribute/object definition can be read.
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* @param destination
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* The file where we want to update the definitions.
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* @param attributes
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* Those attributes needed to be stored in the new destination file.
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* @param objectClasses
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* Those object classes needed to be stored in the new destination file.
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* @return An integer which represents each time an attribute / object class
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* is updated successfully in the destination file.
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* @throws IOException
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* If an unexpected IO error occurred while reading the entry.
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* @throws IllegalStateException
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* Failure to find an attribute in the template schema indicates
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* either a programming error (e.g. typo in the attribute name) or
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* template corruption. Upgrade should stop.
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*/
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static int updateSchemaFile(final File templateFile, final File destination,
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final String[] attributes, final String[] objectClasses)
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throws IOException, IllegalStateException
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{
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int changeCount = 0;
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final Entry templateSchemaEntry = readFirstEntryFromTemplate(templateFile);
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final Entry destinationSchemaEntry = readFirstEntryFromTemplate(destination);
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if (attributes != null)
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{
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for (final String att : attributes)
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{
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final ByteString attributeType = getSchemaElement(templateSchemaEntry, "attributeTypes", att);
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destinationSchemaEntry.getAttribute("attributeTypes").add(attributeType);
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changeCount++;
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logger.debug(LocalizableMessage.raw("Added %s", attributeType));
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}
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}
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if (objectClasses != null)
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{
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for (final String oc : objectClasses)
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{
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final ByteString objectClass = getSchemaElement(templateSchemaEntry, "objectClasses", oc);
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destinationSchemaEntry.getAttribute("objectClasses").add(objectClass);
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changeCount++;
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logger.trace("Added %s", objectClass);
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}
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}
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File copy = File.createTempFile("copySchema", ".tmp", destination.getParentFile());
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try (final FileOutputStream fos = new FileOutputStream(copy);
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LDIFEntryWriter destinationWriter = new LDIFEntryWriter(fos))
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{
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// Then writes the new schema entry.
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destinationWriter.setWrapColumn(79);
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// Copy comments to fos (get License and first comments only).
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writeFileHeaderComments(templateFile, destinationWriter);
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// Writes the entry after.
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destinationWriter.writeEntry(destinationSchemaEntry);
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}
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// Readers and writer must be closed before writing files.
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// This causes exceptions under windows OS.
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// Renames the copy to make it the new schema file.
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try
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{
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rename(copy, destination);
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}
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catch (IOException e)
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{
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logger.error(LocalizableMessage.raw(e.getMessage()));
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deleteRecursively(copy);
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throw e;
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}
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return changeCount;
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}
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private static Entry readFirstEntryFromTemplate(final File destination) throws IOException
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{
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try (LDIFEntryReader r = new LDIFEntryReader(new FileInputStream(destination)))
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{
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if (!r.hasNext())
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{
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// Unless template are corrupted, this should not happen.
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throw new IOException(ERR_UPGRADE_CORRUPTED_TEMPLATE.get(destination.getPath()).toString());
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}
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return r.readEntry();
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}
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}
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/**
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* Gets and writes the first comments of a file.
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*
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* @param file
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* The selected file to get the comments.
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* @param writer
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* The writer which is going to write the comments.
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* @throws IOException
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* If an error occurred with the file.
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*/
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private static void writeFileHeaderComments(final File file,
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final LDIFEntryWriter writer) throws IOException
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{
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try (BufferedReader br = new BufferedReader(new FileReader(file)))
|
{
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String comment = br.readLine();
|
|
while (comment != null && comment.startsWith("#"))
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{
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writer.writeComment(comment.replaceAll("# ", "").replaceAll("#", ""));
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comment = br.readLine();
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}
|
}
|
catch (IOException ex)
|
{
|
throw ex;
|
}
|
}
|
|
/**
|
* Returns the definition of the selected attribute / object class OID.
|
*
|
* @param schemaEntry
|
* The selected schema entry to search on.
|
* @param type
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* The type of the research. ("objectClasses" or "attributeTypes")
|
* @param oid
|
* The OID of the element to search for.
|
* @return The byte string definition of the element.
|
*/
|
private static ByteString getSchemaElement(final Entry schemaEntry,
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final String type, final String oid)
|
{
|
final Attribute attribute = schemaEntry.getAttribute(type);
|
final MatchingRule mrule =
|
CoreSchema.getObjectIdentifierFirstComponentMatchingRule();
|
Assertion assertion;
|
try
|
{
|
assertion = mrule.getAssertion(ByteString.valueOfUtf8(oid));
|
for (final ByteString value : attribute)
|
{
|
final ByteString nvalue = mrule.normalizeAttributeValue(value);
|
if (assertion.matches(nvalue).toBoolean())
|
{
|
return value;
|
}
|
}
|
}
|
catch (DecodeException e)
|
{
|
throw new IllegalStateException(e);
|
}
|
throw new IllegalStateException(ERR_UPGRADE_UNKNOWN_OC_ATT.get(type, oid).toString());
|
}
|
|
/**
|
* Creates a new file in The {@code config/upgrade} folder.
|
* The new file is a concatenation of entries of all files contained in the
|
* {@code config/schema} folder.
|
*
|
* @param folder
|
* The folder containing the schema files.
|
* @param revision
|
* The revision number of the current binary version.
|
* @throws Exception
|
* If we cannot read the files contained in the folder where the
|
* schema files are supposed to be, or the file has errors.
|
*/
|
static void updateConfigUpgradeSchemaFile(final File folder,
|
final String revision) throws Exception
|
{
|
if (!folder.isDirectory())
|
{
|
return;
|
}
|
// We need to upgrade the schema.ldif.<rev> file contained in the
|
// config/upgrade folder otherwise, we cannot enable the backend at
|
// server's start. We need to read all files contained in config/schema
|
// and add all attribute/object classes in this new super entry which
|
// will be read at start-up.
|
Entry theNewSchemaEntry = new LinkedHashMapEntry();
|
final FilenameFilter filter = new SchemaUtils.SchemaFileFilter();
|
for (final File f : folder.listFiles(filter))
|
{
|
logger.debug(LocalizableMessage.raw("Processing %s", f.getAbsolutePath()));
|
try (LDIFEntryReader reader = new LDIFEntryReader(new FileInputStream(f)))
|
{
|
while (reader.hasNext())
|
{
|
final Entry entry = reader.readEntry();
|
theNewSchemaEntry.setName(entry.getName());
|
for (final Attribute at : entry.getAllAttributes())
|
{
|
theNewSchemaEntry.addAttribute(at);
|
}
|
}
|
}
|
catch (Exception ex)
|
{
|
throw new Exception("Error parsing existing schema file " + f.getName() + " - " + ex.getMessage(), ex);
|
}
|
}
|
|
// Creates a File object representing
|
// config/upgrade/schema.ldif.revision which the server creates
|
// the first time it starts if there are schema customizations.
|
final File destination = new File(configDirectory, UPGRADE_PATH + File.separator + "schema.ldif." + revision);
|
|
// Checks if the parent exists (eg. embedded
|
// server doesn't seem to provide that folder)
|
File parentDirectory = destination.getParentFile();
|
if (!parentDirectory.exists())
|
{
|
logger.debug(LocalizableMessage.raw("Parent file of %s doesn't exist", destination.getPath()));
|
|
parentDirectory.mkdirs();
|
|
logger.debug(LocalizableMessage.raw("Parent directory %s created.", parentDirectory.getPath()));
|
}
|
if (!destination.exists())
|
{
|
destination.createNewFile();
|
}
|
|
logger.debug(LocalizableMessage.raw("Writing entries in %s.", destination.getAbsolutePath()));
|
|
try (LDIFEntryWriter writer = new LDIFEntryWriter(new FileOutputStream(destination)))
|
{
|
writer.writeEntry(theNewSchemaEntry);
|
logger.debug(LocalizableMessage.raw("%s created and completed successfully.", destination.getAbsolutePath()));
|
}
|
}
|
|
/**
|
* Returns a schema used by upgrade(default octet string matching rule and
|
* directory string syntax). Added attribute types which we know we are
|
* sensitive to in the unit tests, e.g. ds-cfg-enabled (boolean syntax),
|
* ds-cfg-filter(case ingnore), ds-cfg-collation (case ignore)... related to
|
* upgrade tasks. See OPENDJ-1245.
|
*
|
* @return A schema which may used in the upgrade context.
|
*/
|
private static Schema getUpgradeSchema()
|
{
|
final SchemaBuilder sb = new SchemaBuilder(Schema.getCoreSchema())
|
.setOption(DEFAULT_MATCHING_RULE_OID, getCaseExactMatchingRule().getOID())
|
.setOption(DEFAULT_SYNTAX_OID, getDirectoryStringSyntax().getOID());
|
|
// Adds ds-cfg-enabled / boolean syntax
|
sb.addAttributeType("( 1.3.6.1.4.1.26027.1.1.2 NAME 'ds-cfg-enabled'"
|
+ " EQUALITY booleanMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.7"
|
+ " SINGLE-VALUE X-ORIGIN 'OpenDS Directory Server' )", false);
|
|
// Adds ds-cfg-filter / ignore match syntax
|
sb.addAttributeType("( 1.3.6.1.4.1.26027.1.1.279 NAME 'ds-cfg-filter'"
|
+ " EQUALITY caseIgnoreMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15"
|
+ " X-ORIGIN 'OpenDS Directory Server' )", false);
|
|
// Adds ds-cfg-collation / ignore match syntax
|
sb.addAttributeType("( 1.3.6.1.4.1.26027.1.1.500 NAME 'ds-cfg-collation'"
|
+ " EQUALITY caseIgnoreMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15"
|
+ " X-ORIGIN 'OpenDS Directory Server' )", false);
|
|
return sb.toSchema().asNonStrictSchema();
|
}
|
|
private static String[] readLDIFLines(final DN dn,
|
final ChangeOperationType changeType, final String... lines)
|
{
|
final String[] modifiedLines = new String[lines.length + 2];
|
if (changeType == MODIFY)
|
{
|
modifiedLines[0] = "dn: " + dn;
|
modifiedLines[1] = "changetype: modify";
|
}
|
System.arraycopy(lines, 0, modifiedLines, 2, lines.length);
|
return modifiedLines;
|
}
|
|
/** Returns {@code true} if the installed instance contains at least one JE backend. */
|
static boolean instanceContainsJeBackends()
|
{
|
final SearchRequest sr = Requests.newSearchRequest(
|
"", SearchScope.WHOLE_SUBTREE, "(objectclass=ds-cfg-je-backend)", "dn");
|
try (final EntryReader entryReader = searchConfigFile(sr))
|
{
|
return entryReader.hasNext();
|
}
|
catch (final IOException unlikely)
|
{
|
logger.error(ERR_UPGRADE_READING_CONF_FILE.get(unlikely.getMessage()));
|
return true;
|
}
|
}
|
|
/** Prevent instantiation. */
|
private UpgradeUtils()
|
{
|
throw new AssertionError();
|
}
|
}
|
