/*
* 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.
*/
package org.apache.karaf.log.core.internal;
import java.util.Dictionary;
import java.util.Enumeration;
import java.util.Map;
import java.util.TreeMap;
import org.apache.karaf.log.core.Level;
public class LogServiceLog4j1Impl implements LogServiceInternal {
static final String ROOT_LOGGER_PREFIX = "log4j.rootLogger";
static final String LOGGER_PREFIX = "log4j.logger.";
private final Dictionary<String, Object> config;
public LogServiceLog4j1Impl(Dictionary<String, Object> config) {
this.config = config;
}
public Map<String, String> getLevel(String logger) {
Map<String, String> loggers = new TreeMap<>();
if (ROOT_LOGGER.equalsIgnoreCase(logger)) {
logger = null;
}
if (ALL_LOGGER.equalsIgnoreCase(logger)) {
String root = getLevelFromProperty((String) config.get(ROOT_LOGGER_PREFIX));
loggers.put(ROOT_LOGGER, root);
for (Enumeration<String> e = config.keys(); e.hasMoreElements(); ) {
String prop = (String) e.nextElement();
if (prop.startsWith(LOGGER_PREFIX)) {
String val = getLevelFromProperty((String) config.get(prop));
loggers.put(prop.substring(LOGGER_PREFIX.length()), val);
}
}
return loggers;
}
String l = logger;
String val;
for (;;) {
String prop;
if (l == null) {
prop = ROOT_LOGGER_PREFIX;
} else {
prop = LOGGER_PREFIX + l;
}
val = (String) config.get(prop);
val = getLevelFromProperty(val);
if (val != null || l == null) {
break;
}
int idx = l.lastIndexOf('.');
if (idx < 0) {
l = null;
} else {
l = l.substring(0, idx);
}
}
if (logger == null)
logger = ROOT_LOGGER;
loggers.put(logger, val);
return loggers;
}
public void setLevel(String logger, String level) {
String val;
String prop;
if (logger == null || LogServiceInternal.ROOT_LOGGER.equalsIgnoreCase(logger)) {
prop = ROOT_LOGGER_PREFIX;
} else {
prop = LOGGER_PREFIX + logger;
}
val = (String) config.get(prop);
if (Level.isDefault(level)) {
if (val != null) {
val = val.trim();
int idx = val.indexOf(",");
if (idx < 0) {
val = null;
} else {
val = val.substring(idx);
}
}
} else {
if (val == null) {
val = level;
} else {
val = val.trim();
int idx = val.indexOf(",");
if (idx < 0) {
val = level;
} else {
val = level + val.substring(idx);
}
}
}
if (val == null) {
config.remove(prop);
} else {
config.put(prop, val);
}
}
private String getLevelFromProperty(String prop) {
if (prop == null) {
return null;
} else {
String val = prop.trim();
int idx = val.indexOf(",");
if (idx == 0) {
val = null;
} else if (idx > 0) {
val = val.substring(0, idx);
}
return val;
}
}
}