org.apache.hadoop.hive.ql.hooks.HookUtils Maven / Gradle / Ivy
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* 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
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package org.apache.hadoop.hive.ql.hooks;
import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.ql.exec.Utilities;
import org.apache.logging.log4j.util.Strings;
public class HookUtils {
public static String redactLogString(HiveConf conf, String logString)
throws InstantiationException, IllegalAccessException, ClassNotFoundException {
String redactedString = logString;
if (conf != null && logString != null) {
List queryRedactors = readHooksFromConf(conf, ConfVars.QUERYREDACTORHOOKS);
for (Redactor redactor : queryRedactors) {
redactor.setConf(conf);
redactedString = redactor.redactQuery(redactedString);
}
}
return redactedString;
}
public static List readHooksFromConf(HiveConf conf, HiveConf.ConfVars hookConfVar)
throws InstantiationException, IllegalAccessException, ClassNotFoundException {
String csHooks = conf.getVar(hookConfVar);
List hooks = new ArrayList<>();
if (Strings.isBlank(csHooks)) {
return hooks;
}
String[] hookClasses = csHooks.split(",");
for (String hookClass : hookClasses) {
T hook = (T) Class.forName(hookClass.trim(), true, Utilities.getSessionSpecifiedClassLoader()).newInstance();
hooks.add(hook);
}
return hooks;
}
}