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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.Arrays;
import java.util.Objects;
import java.util.Queue;
import java.util.ResourceBundle;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Supplier;
import java.lang.System.Logger;
/**
* What our test provider needs to implement.
* @author danielfuchs
*/
public interface TestLoggerFinder {
public final static AtomicLong sequencer = new AtomicLong();
public final ConcurrentHashMap<String, LoggerImpl> system = new ConcurrentHashMap<>();
public final ConcurrentHashMap<String, LoggerImpl> user = new ConcurrentHashMap<>();
public final Queue<LogEvent> eventQueue = new ArrayBlockingQueue<>(128);
public static final class LogEvent {
public LogEvent() {
this(sequencer.getAndIncrement());
}
LogEvent(long sequenceNumber) {
this.sequenceNumber = sequenceNumber;
}
long sequenceNumber;
boolean isLoggable;
String loggerName;
Logger.Level level;
ResourceBundle bundle;
Throwable thrown;
Object[] args;
Supplier<String> supplier;
String msg;
Object[] toArray() {
return new Object[] {
sequenceNumber,
isLoggable,
loggerName,
level,
bundle,
thrown,
args,
supplier,
msg,
};
}
@Override
public String toString() {
return Arrays.deepToString(toArray());
}
@Override
public boolean equals(Object obj) {
return obj instanceof LogEvent
&& Objects.deepEquals(this.toArray(), ((LogEvent)obj).toArray());
}
@Override
public int hashCode() {
return Objects.hash(toArray());
}
public static LogEvent of(boolean isLoggable, String name,
Logger.Level level, ResourceBundle bundle,
String key, Throwable thrown) {
LogEvent evt = new LogEvent();
evt.isLoggable = isLoggable;
evt.loggerName = name;
evt.level = level;
evt.args = null;
evt.bundle = bundle;
evt.thrown = thrown;
evt.supplier = null;
evt.msg = key;
return evt;
}
public static LogEvent of(boolean isLoggable, String name,
Logger.Level level, ResourceBundle bundle,
String key, Object... params) {
LogEvent evt = new LogEvent();
evt.isLoggable = isLoggable;
evt.loggerName = name;
evt.level = level;
evt.args = params;
evt.bundle = bundle;
evt.thrown = null;
evt.supplier = null;
evt.msg = key;
return evt;
}
public static LogEvent of(long sequenceNumber,
boolean isLoggable, String name,
Logger.Level level, ResourceBundle bundle,
String key, Supplier<String> supplier,
Throwable thrown, Object... params) {
LogEvent evt = new LogEvent(sequenceNumber);
evt.loggerName = name;
evt.level = level;
evt.args = params;
evt.bundle = bundle;
evt.thrown = thrown;
evt.supplier = supplier;
evt.msg = key;
evt.isLoggable = isLoggable;
return evt;
}
}
public class LoggerImpl implements Logger {
final String name;
Logger.Level level = Logger.Level.INFO;
public LoggerImpl(String name) {
this.name = name;
}
@Override
public String getName() {
return name;
}
@Override
public boolean isLoggable(Logger.Level level) {
return this.level != Logger.Level.OFF && this.level.getSeverity() <= level.getSeverity();
}
@Override
public void log(Logger.Level level, ResourceBundle bundle, String key, Throwable thrown) {
log(LogEvent.of(isLoggable(level), this.name, level, bundle, key, thrown));
}
@Override
public void log(Logger.Level level, ResourceBundle bundle, String format, Object... params) {
log(LogEvent.of(isLoggable(level), name, level, bundle, format, params));
}
void log(LogEvent event) {
eventQueue.add(event);
}
}
public Logger getLogger(String name, Module caller);
public Logger getLocalizedLogger(String name, ResourceBundle bundle, Module caller);
}
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