    001    /*
    002    * Licensed to the Apache Software Foundation (ASF) under one or more
    003    * contributor license agreements. See the NOTICE file distributed with
    004    * this work for additional information regarding copyright ownership.
    005    * The ASF licenses this file to You under the Apache license, Version 2.0
    006    * (the "License"); you may not use this file except in compliance with
    007    * the License. You may obtain a copy of the License at
    008    *
    009    *      http://www.apache.org/licenses/LICENSE-2.0
    010    *
    011    * Unless required by applicable law or agreed to in writing, software
    012    * distributed under the License is distributed on an "AS IS" BASIS,
    013    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014    * See the license for the specific language governing permissions and
    015    * limitations under the license.
    016    */
    017    package org.apache.logging.log4j.core.appender;
    018
    019    import java.nio.charset.Charset;
    020
    021    import org.apache.logging.log4j.util.Chars;
    022
    023    /**
    024     * Wrapper for messages that are formatted according to RFC 5425.
    025     */
    026    public class TlsSyslogFrame {
    027        private String message;
    028        private int messageLengthInBytes;
    029
    030        public TlsSyslogFrame(final String message) {
    031            setMessage(message);
    032        }
    033
    034        public String getMessage() {
    035            return this.message;
    036        }
    037
    038        public void setMessage(final String message) {
    039            this.message = message;
    040            setLengthInBytes();
    041        }
    042
    043        private void setLengthInBytes() {
    044            messageLengthInBytes = message.length();
    045        }
    046
    047        public byte[] getBytes() {
    048            final String frame = toString();
    049            return frame.getBytes(Charset.defaultCharset());
    050        }
    051
    052        @Override
    053        public String toString() {
    054            final String length = Integer.toString(messageLengthInBytes);
    055            return length + Chars.SPACE + message;
    056        }
    057
    058        public boolean equals(final TlsSyslogFrame frame) {
    059            return isLengthEquals(frame) && isMessageEquals(frame);
    060        }
    061
    062        private boolean isLengthEquals(final TlsSyslogFrame frame) {
    063            return this.messageLengthInBytes == frame.messageLengthInBytes;
    064        }
    065
    066        private boolean isMessageEquals(final TlsSyslogFrame frame) {
    067            return this.message.equals(frame.message);
    068        }
    069    }