/*
 * Copyright 2012-2018 the original author or authors.
 *
 * Licensed 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.springframework.boot.actuate.autoconfigure.metrics;

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Supplier;

import io.micrometer.core.instrument.Meter;
import io.micrometer.core.instrument.Meter.Id;
import io.micrometer.core.instrument.config.MeterFilter;
import io.micrometer.core.instrument.config.MeterFilterReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.util.Assert;

/**
 * {@link MeterFilter} to log only once a warning message and deny a {@link Meter}
 * {@link Id}.
 *
 * @author Jon Schneider
 * @author Dmytro Nosan
 * @since 2.0.5
 */
public final class OnlyOnceLoggingDenyMeterFilter implements MeterFilter {

	private final Logger logger = LoggerFactory
			.getLogger(OnlyOnceLoggingDenyMeterFilter.class);

	private final AtomicBoolean alreadyWarned = new AtomicBoolean(false);

	private final Supplier<String> message;

	public OnlyOnceLoggingDenyMeterFilter(Supplier<String> message) {
		Assert.notNull(message, "Message must not be null");
		this.message = message;
	}

	@Override
	public MeterFilterReply accept(Id id) {
		if (this.logger.isWarnEnabled()
				&& this.alreadyWarned.compareAndSet(false, true)) {
			this.logger.warn(this.message.get());
		}
		return MeterFilterReply.DENY;
	}

}

@@ -988,28 +988,42 @@
 ort org.
-slf4j
+apache.commons.logging
 .Log
-ger
 ;%0Aimport
@@ -1031,20 +1031,34 @@
 org.
-slf4j
+apache.commons.logging
 .Log
-ger
 Fact
@@ -1359,24 +1359,31 @@
 %7B%0A%0A%09private 
+static 
 final Logger
@@ -1379,19 +1379,16 @@
 inal Log
-ger
  logger 
@@ -1392,19 +1392,16 @@
 er = Log
-ger
 Factory%0A
@@ -1410,19 +1410,16 @@
 %09.getLog
-ger
 (OnlyOnc
@@ -1775,21 +1775,16 @@
 %7B%0A%09%09if (
-this.
 logger.i
@@ -1801,13 +1801,9 @@
 ed()
-%0A%09%09%09%09
+ 
 && t
@@ -1853,21 +1853,16 @@
 )) %7B%0A%09%09%09
-this.
 logger.w

Use Commons Logging for OnlyOnceLoggingDenyMeterFilter