/*
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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 Sun Microsystems, Inc.
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*/
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package org.opends.server.api;
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import org.opends.messages.Message;
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import java.util.HashSet;
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import java.util.HashMap;
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import java.util.List;
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import org.opends.server.admin.std.server.ErrorLogPublisherCfg;
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import org.opends.server.config.ConfigException;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.DN;
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import org.opends.messages.Severity;
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import org.opends.messages.Category;
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/**
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* This class defines the set of methods and structures that must be
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* implemented for a Directory Server error log publisher.
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*
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* @param <T> The type of error log publisher configuration handled
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* by this log publisher implementation.
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*/
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@org.opends.server.types.PublicAPI(
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stability=org.opends.server.types.StabilityLevel.VOLATILE,
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mayInstantiate=false,
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mayExtend=true,
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mayInvoke=false)
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public abstract class ErrorLogPublisher
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<T extends ErrorLogPublisherCfg>
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{
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/**
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* The hash map that will be used to define specific log severities
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* for the various categories.
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*/
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protected HashMap<Category,HashSet<Severity>>
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definedSeverities =
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new HashMap<Category, HashSet<Severity>>();
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/**
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* The set of default log severities that will be used if no custom
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* severities have been defined for the associated category.
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*/
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protected HashSet<Severity>
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defaultSeverities = new HashSet<Severity>();
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/**
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* Initializes this access publisher provider based on the
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* information in the provided debug publisher configuration.
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*
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* @param config The error publisher configuration that contains
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* the information to use to initialize this error
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* publisher.
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*
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* @throws ConfigException If an unrecoverable problem arises in
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* the process of performing the
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* initialization as a result of the
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* server configuration.
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*
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* @throws InitializationException If a problem occurs during
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* initialization that is not
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* related to the server
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* configuration.
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*/
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public abstract void initializeErrorLogPublisher(T config)
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throws ConfigException, InitializationException;
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/**
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* Indicates whether the provided configuration is acceptable for
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* this error log publisher. It should be possible to call this
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* method on an uninitialized error log publisher instance in
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* order to determine whether the error log publisher would be able
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* to use the provided configuration.
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* <BR><BR>
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* Note that implementations which use a subclass of the provided
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* configuration class will likely need to cast the configuration
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* to the appropriate subclass type.
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*
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* @param configuration The error log publisher
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* configuration for which to make the
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* determination.
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* @param unacceptableReasons A list that may be used to hold the
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* reasons that the provided
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* configuration is not acceptable.
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*
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* @return {@code true} if the provided configuration is acceptable
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* for this error log publisher, or {@code false} if not.
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*/
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public boolean isConfigurationAcceptable(
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ErrorLogPublisherCfg configuration,
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List<Message> unacceptableReasons)
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{
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// This default implementation does not perform any special
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// validation. It should be overridden by error log publisher
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// implementations that wish to perform more detailed validation.
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return true;
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}
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/**
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* Close this publisher.
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*/
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public abstract void close();
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/**
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* Writes a message to the error log using the provided information.
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* The message's category and severity information will be used to
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* determine whether to actually log this message.
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*
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* @param message The message to be logged.
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*/
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public abstract void logError(Message message);
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/**
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* Gets the DN of the configuration entry for this error log
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* publisher.
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*
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* @return The configuration entry DN.
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*/
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public abstract DN getDN();
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}
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