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/*******************************************************************************
 * =============LICENSE_START=========================================================
 *
 * =================================================================================
 *  Copyright (c) 2019 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 *  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.
 * ============LICENSE_END=========================================================
 *
 *  ECOMP is a trademark and service mark of AT&T Intellectual Property.
 *******************************************************************************/
package org.onap.fusionapp.util;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.filter.Filter;
import ch.qos.logback.core.spi.FilterReply;

/**
 * Custom Filter class bind with logback.xml configuration file to strip out
 * certain log messages coming out of special packages or classes.
 *
 */
public class CustomLoggingFilter extends Filter<ILoggingEvent> {

    /**
     * Custom Filter is added to strip out the continuous U-EB logging messages But
     * make sure we log the ERROR and WARNING Level messages.
     * 
     * @param event Logging event
     */
    @Override
    public FilterReply decide(ILoggingEvent event) {
        try {
            if ((event.getLevel() != Level.ERROR || event.getLevel() != Level.WARN)
                    && ("UEBConsumerThread".equalsIgnoreCase(event.getThreadName()))
                    && (event.getLoggerName().contains("com.att.nsa")
                            || event.getLoggerName().contains("org.apache.http"))) {
                return FilterReply.DENY;
            } else {
                return FilterReply.NEUTRAL;
            }
        } catch (Exception e) {
            return FilterReply.NEUTRAL;
        }
    }
}