/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* docs/licenses/cddl.txt
* or http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* docs/licenses/cddl.txt. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
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*
*
* Copyright 2011-2016 UnboundID Corp.
*/
package com.unboundid.directory.sdk.examples.groovy;
import java.util.Date;
import java.util.List;
import com.unboundid.directory.sdk.common.config.FileBasedErrorLoggerConfig;
import com.unboundid.directory.sdk.common.scripting.
ScriptedFileBasedErrorLogger;
import com.unboundid.directory.sdk.common.types.LogCategory;
import com.unboundid.directory.sdk.common.types.LogSeverity;
import com.unboundid.directory.sdk.common.types.ServerContext;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.args.ArgumentException;
import com.unboundid.util.args.ArgumentParser;
/**
* This class provides a simple example of a scripted file-based error logger
* that will apply simple formatting for messages any errors, warnings, or
* events in the server that will be written to a log file. It does not take
* any configuration arguments.
*/
public final class ExampleScriptedFileBasedErrorLogger
extends ScriptedFileBasedErrorLogger
{
/**
* Creates a new instance of this error logger. All error logger
* implementations must include a default constructor, but any initialization
* should generally be done in the {@code initializeErrorLogger} method.
*/
public ExampleScriptedFileBasedErrorLogger()
{
// No implementation is required
}
/**
* Updates the provided argument parser to define any configuration arguments
* which may be used by this error logger. The argument parser may also
* be updated to define relationships between arguments (e.g., to specify
* required, exclusive, or dependent argument sets).
*
* @param parser The argument parser to be updated with the configuration
* arguments which may be used by this error logger.
*
* @throws ArgumentException If a problem is encountered while updating the
* provided argument parser.
*/
@Override()
public void defineConfigArguments(final ArgumentParser parser)
throws ArgumentException
{
// This logger does not require any configuration arguments.
}
/**
* Initializes this error logger.
*
* @param serverContext A handle to the server context for the server in
* which this extension is running.
* @param config The general configuration for this error logger.
* @param parser The argument parser which has been initialized from
* the configuration for this error logger.
*
* @throws LDAPException If a problem occurs while initializing this error
* logger.
*/
@Override()
public void initializeErrorLogger(final ServerContext serverContext,
final FileBasedErrorLoggerConfig config,
final ArgumentParser parser)
throws LDAPException
{
// No initialization is required. All of the work of setting up the log
// file writer and registering as a disk space consumer will be handled by
// the server.
}
/**
* Indicates whether the configuration contained in the provided argument
* parser represents a valid configuration for this extension.
*
* @param config The general configuration for this error
* logger.
* @param parser The argument parser which has been initialized
* with the proposed configuration.
* @param unacceptableReasons A list that can be updated with reasons that
* the proposed configuration is not acceptable.
*
* @return {@code true} if the proposed configuration is acceptable, or
* {@code false} if not.
*/
@Override()
public boolean isConfigurationAcceptable(
final FileBasedErrorLoggerConfig config,
final ArgumentParser parser,
final List<String> unacceptableReasons)
{
// No special validation is required, so we don't need to do anything here.
return true;
}
/**
* Attempts to apply the configuration contained in the provided argument
* parser.
*
* @param config The general configuration for this error
* logger.
* @param parser The argument parser which has been
* initialized with the new configuration.
* @param adminActionsRequired A list that can be updated with information
* about any administrative actions that may be
* required before one or more of the
* configuration changes will be applied.
* @param messages A list that can be updated with information
* about the result of applying the new
* configuration.
*
* @return A result code that provides information about the result of
* attempting to apply the configuration change.
*/
@Override()
public ResultCode applyConfiguration(final FileBasedErrorLoggerConfig config,
final ArgumentParser parser,
final List<String> adminActionsRequired,
final List<String> messages)
{
// This logger does not define any custom configuration arguments, so no
// action is required.
return ResultCode.SUCCESS;
}
/**
* Performs any cleanup which may be necessary when this error logger is
* to be taken out of service.
*/
@Override()
public void finalizeErrorLogger()
{
// All work required for shutting down the log writer will be handled by
// the server, and no other finalization is required.
}
/**
* Records information about the provided message, if appropriate.
*
* @param category The category for the message to be logged.
* @param severity The severity for the message to be logged.
* @param messageID The unique identifier with which the message text is
* associated.
* @param message The message to be logged.
*/
@Override()
public CharSequence logError(final LogCategory category,
final LogSeverity severity, final long messageID,
final String message)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date());
buffer.append(" severity=");
buffer.append(severity.name());
buffer.append(" message=\"");
buffer.append(message);
buffer.append('"');
return buffer;
}
}
