org.opencms.pdftools.CmsXRLogAdapter Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.pdftools;
import org.opencms.main.CmsLog;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import org.apache.commons.logging.Log;
import org.xhtmlrenderer.util.XRLog;
import org.xhtmlrenderer.util.XRLogger;
/**
* Adaspter for sending xhtmlrenderer (flyingsaucer) log messages to the OpenCms log.
*
* The log channels to which the log messages are sent start with the prefix 'org.opencms.' so that no
* change in the log configuration is needed to make error messages appear in the log.
*/
public class CmsXRLogAdapter implements XRLogger {
/** The prefix used for log channels. */
public static final String OCMS_PREFIX = "org.opencms.";
/** Default logger name. */
private static final String DEFAULT_LOGGER_NAME = "org.xhtmlrenderer.other";
/** The logger name map. */
private static final Map LOGGER_NAME_MAP;
static {
LOGGER_NAME_MAP = new HashMap();
LOGGER_NAME_MAP.put(XRLog.CONFIG, "org.xhtmlrenderer.config");
LOGGER_NAME_MAP.put(XRLog.EXCEPTION, "org.xhtmlrenderer.exception");
LOGGER_NAME_MAP.put(XRLog.GENERAL, "org.xhtmlrenderer.general");
LOGGER_NAME_MAP.put(XRLog.INIT, "org.xhtmlrenderer.init");
LOGGER_NAME_MAP.put(XRLog.JUNIT, "org.xhtmlrenderer.junit");
LOGGER_NAME_MAP.put(XRLog.LOAD, "org.xhtmlrenderer.load");
LOGGER_NAME_MAP.put(XRLog.MATCH, "org.xhtmlrenderer.match");
LOGGER_NAME_MAP.put(XRLog.CASCADE, "org.xhtmlrenderer.cascade");
LOGGER_NAME_MAP.put(XRLog.XML_ENTITIES, "org.xhtmlrenderer.load.xmlentities");
LOGGER_NAME_MAP.put(XRLog.CSS_PARSE, "org.xhtmlrenderer.cssparse");
LOGGER_NAME_MAP.put(XRLog.LAYOUT, "org.xhtmlrenderer.layout");
LOGGER_NAME_MAP.put(XRLog.RENDER, "org.xhtmlrenderer.render");
}
/**
* @see org.xhtmlrenderer.util.XRLogger#log(java.lang.String, java.util.logging.Level, java.lang.String)
*/
public void log(String where, Level level, String msg) {
Log log = CmsLog.getLog(getLoggerName(where));
sendMessageToLogger(level, msg, log, null);
}
/**
* @see org.xhtmlrenderer.util.XRLogger#log(java.lang.String, java.util.logging.Level, java.lang.String, java.lang.Throwable)
*/
public void log(String where, Level level, String msg, Throwable th) {
Log log = CmsLog.getLog(getLoggerName(where));
sendMessageToLogger(level, msg, log, th);
}
/**
* @see org.xhtmlrenderer.util.XRLogger#setLevel(java.lang.String, java.util.logging.Level)
*/
public void setLevel(String logger, Level level) {
throw new UnsupportedOperationException("setLevel not supported");
}
/**
* Gets the real logger name.
*
* @param xrLoggerName the XR logger name
*
* @return the real logger name
*/
private String getLoggerName(String xrLoggerName) {
String result = LOGGER_NAME_MAP.get(xrLoggerName);
if (result != null) {
return OCMS_PREFIX + result;
} else {
return OCMS_PREFIX + DEFAULT_LOGGER_NAME;
}
}
/**
* Sends a log message to the commons-logging interface.
*
* @param level the log level
* @param message the message
* @param log the commons logging log object
* @param e a throwable or null
*/
private void sendMessageToLogger(Level level, String message, Log log, Throwable e) {
if (e == null) {
if (level == Level.SEVERE) {
log.error(message);
} else if (level == Level.WARNING) {
log.warn(message);
} else if (level == Level.INFO) {
log.info(message);
} else if (level == Level.CONFIG) {
log.info(message);
} else if ((level == Level.FINE) || (level == Level.FINER) || (level == Level.FINEST)) {
log.debug(message);
} else {
log.info(message);
}
} else {
if (level == Level.SEVERE) {
log.error(message, e);
} else if (level == Level.WARNING) {
log.warn(message, e);
} else if (level == Level.INFO) {
log.info(message, e);
} else if (level == Level.CONFIG) {
log.info(message, e);
} else if ((level == Level.FINE) || (level == Level.FINER) || (level == Level.FINEST)) {
log.debug(message, e);
} else {
log.info(message, e);
}
}
}
}