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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.log;
import com.yahoo.log.impl.LogUtils;
import java.util.logging.Level;
/**
* a levelcontroller that just implements a simple default
* (possibly controlled by a system property or environment)
* Should only be used internally in the log library
*/
@SuppressWarnings("deprecation")
class DefaultLevelController implements LevelController {
private String levelstring;
private Level levelLimit = LogLevel.EVENT;
DefaultLevelController(String env) {
if (LogUtils.empty(env)) {
env = "all -debug -spam";
}
//level string is: fatal, error, warning, config, info, event, debug, spam
if (env.equals("all")) {
levelLimit = LogLevel.ALL;
levelstring = " ON ON ON ON ON ON ON ON";
} else {
StringBuilder sb = new StringBuilder();
for (Level level : LogLevel.getLevels().values()) {
String levelName = level.getName();
if (hasNegWord(levelName, env) || (!hasWord("all", env) && !hasWord(levelName, env))) {
sb.append(" OFF");
} else {
sb.append(" ON");
if ((level.intValue() < levelLimit.intValue())) {
levelLimit = level;
}
}
}
levelstring = sb.toString();
}
// System.err.println("default level controller levelstring: "+levelstring);
}
private boolean hasWord(String levelName, String inputLevels) {
return inputLevels.contains(levelName.toLowerCase());
}
private boolean hasNegWord(String levelName, String inputLevels) {
int pos = inputLevels.indexOf(levelName.toLowerCase());
if (pos > 0) {
String c = inputLevels.substring(pos - 1, pos);
return (c != null && c.equals("-"));
} else {
return false;
}
}
public String getOnOffString() {
return levelstring;
}
public Level getLevelLimit() {
return levelLimit;
}
public boolean shouldLog(Level level) {
return (level.intValue() >= levelLimit.intValue());
}
public void checkBack() { }
}
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