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/*
 * Copyright (c) 1998, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.platform.server;

import java.io.*;
import org.eclipse.persistence.internal.helper.*;
import org.eclipse.persistence.exceptions.*;
import org.eclipse.persistence.logging.*;

/**
 * 

* Basic logging class that provides framework for integration with the application * server log. This class is used when messages need to be logged through an application * server, e.g. OC4J. * * @see SessionLog * @see AbstractSessionLog * @see SessionLogEntry * @see org.eclipse.persistence.sessions.Session Session *

*/ public class ServerLog extends AbstractSessionLog { /** * PUBLIC: *

* Create and return a new ServerLog. *

*/ public ServerLog() { super(); } /** * PUBLIC: *

* Log a SessionLogEntry *

* * @param entry SessionLogEntry that holds all the information for a TopLink logging event *

*/ public void log(SessionLogEntry entry) { if (!shouldLog(entry.getLevel())) { return; } String message = getSupplementDetailString(entry); if (entry.hasException()) { if (entry.getLevel() == SEVERE) { message += Helper.printStackTraceToString(entry.getException()); } else if (entry.getLevel() <= WARNING) { if (shouldLogExceptionStackTrace()) { message += Helper.printStackTraceToString(entry.getException()); } else { message += entry.getException(); } } } else { message += formatMessage(entry); } basicLog(entry.getLevel(), entry.getNameSpace(), message); } /** *

* Log message to a writer by default. It needs to be overridden by the subclasses. *

* * @param level the log request level *

* @param message the formatted string message *

*/ protected void basicLog(int level, String category, String message) { try { printPrefixString(level, null); getWriter().write(message); getWriter().write(Helper.cr()); getWriter().flush(); } catch (IOException exception) { throw ValidationException.logIOError(exception); } } }




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