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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.events;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
-
- import org.apache.fop.events.model.EventSeverity;
-
- /**
- * EventListener implementation that redirects events to Commons Logging. The events are
- * converted to localized messages.
- */
- public class LoggingEventListener implements EventListener {
-
- /** Default logger instance */
- private static Log defaultLog = LogFactory.getLog(LoggingEventListener.class);
-
- private Log log;
- private boolean skipFatal;
-
- /**
- * Creates an instance logging to the default log category of this class.
- */
- public LoggingEventListener() {
- this(defaultLog);
- }
-
- /**
- * Creates an instance logging to a given logger. Events with fatal severity level will be
- * skipped.
- * @param log the target logger
- */
- public LoggingEventListener(Log log) {
- this(log, true);
- }
-
- /**
- * Creates an instance logging to a given logger.
- * @param log the target logger
- * @param skipFatal true if events with fatal severity level should be skipped (i.e. not logged)
- */
- public LoggingEventListener(Log log, boolean skipFatal) {
- this.log = log;
- this.skipFatal = skipFatal;
- }
-
- /**
- * Returns the target logger for this instance.
- * @return the target logger
- */
- public Log getLog() {
- return this.log;
- }
-
- /** {@inheritDoc} */
- public void processEvent(Event event) {
- String msg = EventFormatter.format(event);
- EventSeverity severity = event.getSeverity();
- if (severity == EventSeverity.INFO) {
- log.info(msg);
- } else if (severity == EventSeverity.WARN) {
- log.warn(msg);
- } else if (severity == EventSeverity.ERROR) {
- log.error(msg);
- } else if (severity == EventSeverity.FATAL) {
- if (!skipFatal) {
- log.fatal(msg);
- }
- } else {
- assert false;
- }
- }
-
- }
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