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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.common.logging;
import com.google.common.collect.Lists;
import org.elasticsearch.common.Classes;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.river.RiverName;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.List;
import static com.google.common.collect.Lists.newArrayList;
import static java.util.Arrays.asList;
/**
* A set of utilities around Logging.
*
*
*/
public class Loggers {
private final static String commonPrefix = System.getProperty("es.logger.prefix", "org.elasticsearch.");
public static final String SPACE = " ";
private static boolean consoleLoggingEnabled = true;
public static void disableConsoleLogging() {
consoleLoggingEnabled = false;
}
public static void enableConsoleLogging() {
consoleLoggingEnabled = true;
}
public static boolean consoleLoggingEnabled() {
return consoleLoggingEnabled;
}
public static ESLogger getLogger(Class clazz, Settings settings, ShardId shardId, String... prefixes) {
return getLogger(clazz, settings, shardId.index(), Lists.asList(Integer.toString(shardId.id()), prefixes).toArray(new String[0]));
}
public static ESLogger getLogger(Class clazz, Settings settings, Index index, String... prefixes) {
return getLogger(clazz, settings, Lists.asList(SPACE, index.name(), prefixes).toArray(new String[0]));
}
public static ESLogger getLogger(Class clazz, Settings settings, RiverName riverName, String... prefixes) {
List<String> l = Lists.newArrayList();
l.add(SPACE);
l.add(riverName.type());
l.add(riverName.name());
l.addAll(Lists.newArrayList(prefixes));
return getLogger(clazz, settings, l.toArray(new String[l.size()]));
}
public static ESLogger getLogger(Class clazz, Settings settings, String... prefixes) {
return getLogger(buildClassLoggerName(clazz), settings, prefixes);
}
public static ESLogger getLogger(String loggerName, Settings settings, String... prefixes) {
List<String> prefixesList = newArrayList();
if (settings.getAsBoolean("logger.logHostAddress", false)) {
try {
prefixesList.add(InetAddress.getLocalHost().getHostAddress());
} catch (UnknownHostException e) {
// ignore
}
}
if (settings.getAsBoolean("logger.logHostName", false)) {
try {
prefixesList.add(InetAddress.getLocalHost().getHostName());
} catch (UnknownHostException e) {
// ignore
}
}
String name = settings.get("name");
if (name != null) {
prefixesList.add(name);
}
if (prefixes != null && prefixes.length > 0) {
prefixesList.addAll(asList(prefixes));
}
return getLogger(getLoggerName(loggerName), prefixesList.toArray(new String[prefixesList.size()]));
}
public static ESLogger getLogger(ESLogger parentLogger, String s) {
return ESLoggerFactory.getLogger(parentLogger.getPrefix(), getLoggerName(parentLogger.getName() + s));
}
public static ESLogger getLogger(String s) {
return ESLoggerFactory.getLogger(getLoggerName(s));
}
public static ESLogger getLogger(Class clazz) {
return ESLoggerFactory.getLogger(getLoggerName(buildClassLoggerName(clazz)));
}
public static ESLogger getLogger(Class clazz, String... prefixes) {
return getLogger(buildClassLoggerName(clazz), prefixes);
}
public static ESLogger getLogger(String name, String... prefixes) {
String prefix = null;
if (prefixes != null && prefixes.length > 0) {
StringBuilder sb = new StringBuilder();
for (String prefixX : prefixes) {
if (prefixX != null) {
if (prefixX.equals(SPACE)) {
sb.append(" ");
} else {
sb.append("[").append(prefixX).append("]");
}
}
}
if (sb.length() > 0) {
sb.append(" ");
prefix = sb.toString();
}
}
return ESLoggerFactory.getLogger(prefix, getLoggerName(name));
}
private static String buildClassLoggerName(Class clazz) {
String name = clazz.getName();
if (name.startsWith("org.elasticsearch.")) {
name = Classes.getPackageName(clazz);
}
return name;
}
private static String getLoggerName(String name) {
if (name.startsWith("org.elasticsearch.")) {
name = name.substring("org.elasticsearch.".length());
}
return commonPrefix + name;
}
}
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