/*
* 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.solr.hadoop;
import java.io.File;
import org.apache.hadoop.conf.Configuration;
import org.apache.log4j.PropertyConfigurator;
import com.google.common.annotations.Beta;
import org.apache.solr.common.util.SuppressForbidden;
@Beta
public final class Utils {
private static final String LOG_CONFIG_FILE = "hadoop.log4j.configuration";
public static void setLogConfigFile(File file, Configuration conf) {
conf.set(LOG_CONFIG_FILE, file.getName());
}
public static void getLogConfigFile(Configuration conf) {
String log4jPropertiesFile = conf.get(LOG_CONFIG_FILE);
configureLog4jProperties(log4jPropertiesFile);
}
@SuppressForbidden(reason = "method is specific to log4j")
public static void configureLog4jProperties(String log4jPropertiesFile) {
if (log4jPropertiesFile != null) {
PropertyConfigurator.configure(log4jPropertiesFile);
}
}
public static String getShortClassName(Class clazz) {
return getShortClassName(clazz.getName());
}
public static String getShortClassName(String className) {
int i = className.lastIndexOf('.'); // regular class
int j = className.lastIndexOf('$'); // inner class
return className.substring(1 + Math.max(i, j));
}
}