/*
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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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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.tools;
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import org.opends.server.api.Backend;
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import org.opends.server.config.ConfigEntry;
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import org.opends.server.config.ConfigException;
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import org.opends.server.config.StringConfigAttribute;
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import org.opends.server.config.DNConfigAttribute;
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import org.opends.server.types.DN;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.ErrorLogCategory;
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import org.opends.server.types.ErrorLogSeverity;
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import org.opends.server.core.DirectoryServer;
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import static org.opends.server.config.ConfigConstants.*;
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import static org.opends.server.messages.ToolMessages.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.messages.ConfigMessages.*;
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import static org.opends.server.loggers.ErrorLogger.*;
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import static org.opends.server.util.StaticUtils.*;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* This class provides utility functions for all JE related client tools.
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*/
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public class BackendToolUtils
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{
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/**
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* Retrieves information about the backends defined in the Directory Server
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* configuration.
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*
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* @param backendList A list into which instantiated (but not initialized)
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* backend instances will be placed.
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* @param entryList A list into which the config entries associated with
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* the backends will be placed.
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* @param dnList A list into which the set of base DNs for each backend
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* will be placed.
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*
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* @return 0 if everything went fine. 1 if an error occurred.
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*
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*/
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public static int getBackends(ArrayList<Backend> backendList,
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ArrayList<ConfigEntry> entryList,
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ArrayList<List<DN>> dnList)
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{
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// Get the base entry for all backend configuration.
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DN backendBaseDN = null;
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try
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{
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backendBaseDN = DN.decode(DN_BACKEND_BASE);
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}
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catch (DirectoryException de)
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{
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int msgID = MSGID_CANNOT_DECODE_BACKEND_BASE_DN;
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String message = getMessage(msgID, DN_BACKEND_BASE, de.getErrorMessage());
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR, message,
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msgID);
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return 1;
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_DECODE_BACKEND_BASE_DN;
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String message = getMessage(msgID, DN_BACKEND_BASE,
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR, message,
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msgID);
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return 1;
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}
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ConfigEntry baseEntry = null;
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try
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{
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baseEntry = DirectoryServer.getConfigEntry(backendBaseDN);
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}
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catch (ConfigException ce)
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{
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int msgID = MSGID_CANNOT_RETRIEVE_BACKEND_BASE_ENTRY;
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String message = getMessage(msgID, DN_BACKEND_BASE, ce.getMessage());
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR, message,
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msgID);
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return 1;
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_RETRIEVE_BACKEND_BASE_ENTRY;
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String message = getMessage(msgID, DN_BACKEND_BASE,
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR, message,
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msgID);
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return 1;
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}
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// Iterate through the immediate children, attempting to parse them as
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// backends.
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for (ConfigEntry configEntry : baseEntry.getChildren().values())
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{
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// Get the backend ID attribute from the entry. If there isn't one, then
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// skip the entry.
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String backendID = null;
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try
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{
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int msgID = MSGID_CONFIG_BACKEND_ATTR_DESCRIPTION_BACKEND_ID;
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StringConfigAttribute idStub =
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new StringConfigAttribute(ATTR_BACKEND_ID, getMessage(msgID),
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true, false, true);
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StringConfigAttribute idAttr =
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(StringConfigAttribute) configEntry.getConfigAttribute(idStub);
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if (idAttr == null)
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{
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continue;
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}
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else
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{
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backendID = idAttr.activeValue();
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}
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}
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catch (ConfigException ce)
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{
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int msgID = MSGID_CANNOT_DETERMINE_BACKEND_ID;
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String message = getMessage(msgID, String.valueOf(configEntry.getDN()),
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ce.getMessage());
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_DETERMINE_BACKEND_ID;
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String message = getMessage(msgID, String.valueOf(configEntry.getDN()),
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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// Get the backend class name attribute from the entry. If there isn't
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// one, then just skip the entry.
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String backendClassName = null;
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try
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{
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int msgID = MSGID_CONFIG_BACKEND_ATTR_DESCRIPTION_CLASS;
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StringConfigAttribute classStub =
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new StringConfigAttribute(ATTR_BACKEND_CLASS, getMessage(msgID),
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true, false, false);
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StringConfigAttribute classAttr =
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(StringConfigAttribute) configEntry.getConfigAttribute(classStub);
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if (classAttr == null)
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{
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continue;
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}
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else
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{
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backendClassName = classAttr.activeValue();
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}
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}
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catch (ConfigException ce)
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{
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int msgID = MSGID_CANNOT_DETERMINE_BACKEND_CLASS;
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String message = getMessage(msgID, String.valueOf(configEntry.getDN()),
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ce.getMessage());
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_DETERMINE_BACKEND_CLASS;
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String message = getMessage(msgID, String.valueOf(configEntry.getDN()),
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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Class backendClass = null;
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try
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{
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backendClass = Class.forName(backendClassName);
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_LOAD_BACKEND_CLASS;
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String message = getMessage(msgID, backendClassName,
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String.valueOf(configEntry.getDN()),
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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Backend backend = null;
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try
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{
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backend = (Backend) backendClass.newInstance();
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backend.setBackendID(backendID);
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_INSTANTIATE_BACKEND_CLASS;
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String message = getMessage(msgID, backendClassName,
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String.valueOf(configEntry.getDN()),
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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// Get the base DN attribute from the entry. If there isn't one, then
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// just skip this entry.
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List<DN> baseDNs = null;
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try
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{
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int msgID = MSGID_CONFIG_BACKEND_ATTR_DESCRIPTION_BASE_DNS;
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DNConfigAttribute baseDNStub =
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new DNConfigAttribute(ATTR_BACKEND_BASE_DN, getMessage(msgID),
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true, true, true);
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DNConfigAttribute baseDNAttr =
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(DNConfigAttribute) configEntry.getConfigAttribute(baseDNStub);
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if (baseDNAttr == null)
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{
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msgID = MSGID_NO_BASES_FOR_BACKEND;
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String message = getMessage(msgID,
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String.valueOf(configEntry.getDN()));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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}
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else
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{
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baseDNs = baseDNAttr.activeValues();
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}
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}
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catch (Exception e)
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{
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int msgID = MSGID_CANNOT_DETERMINE_BASES_FOR_BACKEND;
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String message = getMessage(msgID, String.valueOf(configEntry.getDN()),
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getExceptionMessage(e));
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logError(ErrorLogCategory.BACKEND, ErrorLogSeverity.SEVERE_ERROR,
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message, msgID);
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return 1;
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}
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backendList.add(backend);
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entryList.add(configEntry);
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dnList.add(baseDNs);
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}
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return 0;
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}
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}
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