/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008-2010 Sun Microsystems, Inc.
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*/
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package org.opends.guitools.controlpanel.util;
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import static org.opends.messages.ConfigMessages.*;
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import java.io.File;
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import java.io.FileFilter;
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import java.util.ArrayList;
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import java.util.Arrays;
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import org.opends.messages.Message;
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import org.opends.quicksetup.util.Utils;
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import org.opends.server.api.AttributeSyntax;
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import org.opends.server.api.MatchingRule;
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import org.opends.server.config.ConfigConstants;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.SchemaConfigManager;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.ObjectClass;
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import org.opends.server.types.Schema;
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/**
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* Class used to retrieve the schema from the schema files.
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*
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*/
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public class SchemaLoader
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{
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private Schema schema;
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private final String[] attrsToKeep = {
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ConfigConstants.ATTR_ATTRIBUTE_TYPES_LC,
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ConfigConstants.ATTR_OBJECTCLASSES_LC,
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ConfigConstants.ATTR_NAME_FORMS_LC,
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ConfigConstants.ATTR_DIT_CONTENT_RULES_LC,
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ConfigConstants.ATTR_DIT_STRUCTURE_RULES_LC,
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ConfigConstants.ATTR_MATCHING_RULE_USE_LC};
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private final String[] ocsToKeep = {"top"};
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private final ArrayList<ObjectClass> objectclassesToKeep =
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new ArrayList<ObjectClass>();
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private final ArrayList<AttributeType> attributesToKeep =
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new ArrayList<AttributeType>();
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private final ArrayList<MatchingRule> matchingRulesToKeep =
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new ArrayList<MatchingRule>();
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private final ArrayList<AttributeSyntax<?>> syntaxesToKeep =
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new ArrayList<AttributeSyntax<?>>();
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/**
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* Constructor.
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*
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*/
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public SchemaLoader()
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{
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Schema sc = DirectoryServer.getSchema();
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for (String name : ocsToKeep)
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{
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ObjectClass oc = sc.getObjectClass(name.toLowerCase());
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if (oc != null)
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{
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objectclassesToKeep.add(oc);
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}
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}
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for (String name : attrsToKeep)
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{
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AttributeType attr = sc.getAttributeType(name.toLowerCase());
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if (attr != null)
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{
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attributesToKeep.add(attr);
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}
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}
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for (MatchingRule mr : sc.getMatchingRules().values())
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{
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matchingRulesToKeep.add(mr);
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}
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for (AttributeSyntax<?> syntax : sc.getSyntaxes().values())
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{
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syntaxesToKeep.add(syntax);
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}
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}
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private static String getSchemaDirectoryPath(boolean userSchema)
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{
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File schemaDir =
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DirectoryServer.getEnvironmentConfig().getSchemaDirectory(userSchema);
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if (schemaDir != null) {
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return schemaDir.getAbsolutePath();
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} else {
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return null;
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}
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}
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/**
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* Reads the schema.
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* @throws ConfigException if an error occurs reading the schema.
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* @throws InitializationException if an error occurs trying to find out
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* the schema files.
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* @throws DirectoryException if there is an error registering the minimal
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* objectclasses.
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*/
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public void readSchema() throws DirectoryException,
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ConfigException, InitializationException
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{
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schema = getBaseSchema();
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String[] fileNames = null;
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try
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{
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String installPath =
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new File(DirectoryServer.getServerRoot()).getCanonicalPath();
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String instancePath =
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new File(DirectoryServer.getInstanceRoot()).getCanonicalPath();
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// Load install directory schema
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String schemaDirPath= getSchemaDirectoryPath(false);
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File schemaDir = new File(schemaDirPath);
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if (schemaDirPath == null || ! schemaDir.exists())
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{
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Message message = ERR_CONFIG_SCHEMA_NO_SCHEMA_DIR.get(schemaDirPath);
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throw new InitializationException(message);
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}
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else if (! schemaDir.isDirectory())
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{
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Message message =
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ERR_CONFIG_SCHEMA_DIR_NOT_DIRECTORY.get(schemaDirPath);
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throw new InitializationException(message);
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}
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FileFilter ldifFiles = new FileFilter()
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{
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/**
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* {@inheritDoc}
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*/
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public boolean accept(File f)
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{
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boolean accept = false;
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if (f != null)
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{
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if (f.isDirectory())
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{
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accept = true;
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} else if (Utils.isWindows())
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{
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accept =
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f.getName().toLowerCase().endsWith(".ldif");
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} else
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{
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accept = f.getName().endsWith(".ldif");
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}
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}
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return accept;
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}
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};
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File[] schemaInstallDirFiles = schemaDir.listFiles(ldifFiles);
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File[] schemaInstanceDirFiles = null ;
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int size = schemaInstallDirFiles.length;
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if (! installPath.equals(instancePath))
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{
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schemaDirPath= getSchemaDirectoryPath(true);
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schemaDir = new File(schemaDirPath);
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if (schemaDirPath != null
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&&
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schemaDir.exists()
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&&
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schemaDir.isDirectory())
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{
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schemaInstanceDirFiles = schemaDir.listFiles(ldifFiles);
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size += schemaInstanceDirFiles.length;
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}
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}
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ArrayList<String> fileList = new ArrayList<String>(size);
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for (File f : schemaInstallDirFiles)
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{
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if (f.isFile())
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{
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fileList.add(f.getName());
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}
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}
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if (schemaInstanceDirFiles != null)
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{
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for (File f : schemaInstanceDirFiles)
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{
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if (f.isFile())
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{
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fileList.add(f.getName());
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}
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}
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}
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fileNames = new String[fileList.size()];
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fileList.toArray(fileNames);
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Arrays.sort(fileNames);
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}
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catch (Throwable t)
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{
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t.printStackTrace();
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}
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/*
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catch (InitializationException ie)
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{
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throw ie;
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}
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catch (Exception e)
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{
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Message message = ERR_CONFIG_SCHEMA_CANNOT_LIST_FILES.get(
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schemaDirPath, getExceptionMessage(e));
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throw new InitializationException(message, e);
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}
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*/
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// Iterate through the schema files and read them as an LDIF file containing
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// a single entry. Then get the attributeTypes and objectClasses attributes
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// from that entry and parse them to initialize the server schema.
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for (String schemaFile : fileNames)
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{
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SchemaConfigManager.loadSchemaFile(schema, schemaFile);
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}
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}
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/**
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* Returns a basic version of the schema. The schema is created and contains
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* enough definitions for the schema to be loaded.
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* @return a basic version of the schema.
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* @throws DirectoryException if there is an error registering the minimal
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* objectclasses.
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*/
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protected Schema getBaseSchema() throws DirectoryException
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{
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Schema schema = new Schema();
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for (MatchingRule mr : matchingRulesToKeep)
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{
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schema.registerMatchingRule(mr, true);
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}
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for (AttributeSyntax<?> syntax : syntaxesToKeep)
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{
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schema.registerSyntax(syntax, true);
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}
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for (AttributeType attr : attributesToKeep)
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{
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schema.registerAttributeType(attr, true);
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}
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for (ObjectClass oc : objectclassesToKeep)
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{
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schema.registerObjectClass(oc, true);
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}
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return schema;
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}
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/**
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* Returns the schema that was read.
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* @return the schema that was read.
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*/
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public Schema getSchema()
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{
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return schema;
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}
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}
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