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/*
* ================================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
*/
package org.onap.dcae.utils.eelf.logger.logback.listener;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.spi.LoggerContextListener;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.spi.ContextAwareBase;
import ch.qos.logback.core.spi.LifeCycle;
import ch.qos.logback.core.status.InfoStatus;
import ch.qos.logback.core.status.WarnStatus;
import org.onap.dcae.utils.eelf.logger.api.info.AppLogInfo;
import org.onap.dcae.utils.eelf.logger.model.spec.AppLogSpecImpl;
import java.io.File;
import static org.onap.dcae.utils.eelf.logger.logback.EELFLoggerDefaults.DEFAULT_APP_LOG_INFO;
import static org.onap.dcae.utils.eelf.logger.logback.utils.LogUtils.APP_LOG_SPEC_KEY;
import static org.onap.dcae.utils.eelf.logger.logback.utils.LogUtils.CUSTOM_MDC_MAP;
/**
* Logback Startup Listener is used to inject {@link AppLogInfo}
*
* @author Rajiv Singla
*/
public class LogbackStartupListener extends ContextAwareBase implements LoggerContextListener, LifeCycle {
private static final String APP_LOG_INFO_KEY_IN_CONTEXT = "APP_LOG_INFO";
private static final String CONTEXT_COMPONENT_NAME_PROPERTY_KEY = "componentName";
private static final String CONTEXT_MODIFY_WINDOWS_LOG_PATH_PROPERTY_KEY = "modifyLogPathInWindows";
private static final String CONTEXT_LOG_DIRECTORY_PROPERTY_KEY = "logDirectory";
private static final String CONTEXT_DEBUG_LOG_DIRECTORY_PROPERTY_KEY = "debugLogDirectory";
private static final String CONTEXT_APPEND_DIRECTORY_PROPERTY_KEY = "appendDirectory";
private boolean started = false;
@Override
public boolean isResetResistant() {
return true;
}
@Override
public void onStart(final LoggerContext context) {
}
@Override
public void onReset(final LoggerContext context) {
}
@Override
public void onStop(final LoggerContext context) {
}
@Override
public void onLevelChange(final Logger logger, final Level level) {
}
@Override
public void start() {
if (started) {
return;
}
Context context = getContext();
CUSTOM_MDC_MAP.put(APP_LOG_SPEC_KEY, new AppLogSpecImpl(DEFAULT_APP_LOG_INFO));
context.putObject(APP_LOG_INFO_KEY_IN_CONTEXT, DEFAULT_APP_LOG_INFO);
context.getStatusManager().add(new InfoStatus("Initialized APP LOG INFO", DEFAULT_APP_LOG_INFO));
// if Component name is not set derive from jar file name
if (context.getProperty(CONTEXT_COMPONENT_NAME_PROPERTY_KEY) == null) {
final String appName =
new File(getClass().getProtectionDomain().getCodeSource().getLocation().getPath()).getName();
context.putProperty(CONTEXT_COMPONENT_NAME_PROPERTY_KEY, appName);
context.getStatusManager().add(new WarnStatus(
"No componentName Property found. Deriving it from jar name", appName));
}
// if modify windows log path is enabled - then append target before log directories
if (context.getProperty(CONTEXT_MODIFY_WINDOWS_LOG_PATH_PROPERTY_KEY).equalsIgnoreCase("true")) {
final String os = System.getProperty("os.name");
if (os != null && os.startsWith("Windows")) {
final String logDirectory = context.getProperty(CONTEXT_LOG_DIRECTORY_PROPERTY_KEY);
final String debugLogDirectory = context.getProperty(CONTEXT_DEBUG_LOG_DIRECTORY_PROPERTY_KEY);
final String appendDir = context.getProperty(CONTEXT_APPEND_DIRECTORY_PROPERTY_KEY);
context.putProperty(CONTEXT_LOG_DIRECTORY_PROPERTY_KEY, appendDir + "/" + logDirectory);
context.putProperty(CONTEXT_DEBUG_LOG_DIRECTORY_PROPERTY_KEY, appendDir + "/" + debugLogDirectory);
}
}
started = true;
}
@Override
public void stop() {
}
@Override
public boolean isStarted() {
return started;
}
}
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