# CustomLogSetter.java

    /*
     * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     * WSO2 Inc. licenses this file 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
     *
     * 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.apache.synapse.transport.customlogsetter;

    public class CustomLogSetter {
        private static CustomLogSetter instance = null;
        private static ThreadLocal<String> logAppender = new ThreadLocal<>();

        private CustomLogSetter() {
        }

        public static CustomLogSetter getInstance() {
            if (instance == null) {
                instance = new CustomLogSetter();
            }
            return instance;
        }

        public void setLogAppender (String appenderContent) {
            if (appenderContent != null && !appenderContent.equals("")){
                logAppender.set(appenderContent);
            }
        }

        public String getLogAppenderContent() {
            return logAppender.get();
        }

        public void clearThreadLocalContent () {
            logAppender.remove();
        }
    }