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    1   /*
    2   * Licensed to the Apache Software Foundation (ASF) under one or more
    3   * contributor license agreements. See the NOTICE file distributed with
    4   * this work for additional information regarding copyright ownership.
    5   * The ASF licenses this file to You under the Apache license, Version 2.0
    6   * (the "License"); you may not use this file except in compliance with
    7   * the License. You may obtain a copy of the License at
    8   *
    9   *      http://www.apache.org/licenses/LICENSE-2.0
    10  *
    11  * Unless required by applicable law or agreed to in writing, software
    12  * distributed under the License is distributed on an "AS IS" BASIS,
    13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  * See the license for the specific language governing permissions and
    15  * limitations under the license.
    16  */
    17  package org.apache.logging.log4j.core.appender;
    18
    19  import java.nio.charset.Charset;
    20
    21  import org.apache.logging.log4j.util.Chars;
    22
    23  /**
    24   * Wrapper for messages that are formatted according to RFC 5425.
    25   */
    26  public class TlsSyslogFrame {
    27      private String message;
    28      private int messageLengthInBytes;
    29
    30      public TlsSyslogFrame(final String message) {
    31          setMessage(message);
    32      }
    33
    34      public String getMessage() {
    35          return this.message;
    36      }
    37
    38      public void setMessage(final String message) {
    39          this.message = message;
    40          setLengthInBytes();
    41      }
    42
    43      private void setLengthInBytes() {
    44          messageLengthInBytes = message.length();
    45      }
    46
    47      public byte[] getBytes() {
    48          final String frame = toString();
    49          return frame.getBytes(Charset.defaultCharset());
    50      }
    51
    52      @Override
    53      public String toString() {
    54          final String length = Integer.toString(messageLengthInBytes);
    55          return length + Chars.SPACE + message;
    56      }
    57
    58      public boolean equals(final TlsSyslogFrame frame) {
    59          return isLengthEquals(frame) && isMessageEquals(frame);
    60      }
    61
    62      private boolean isLengthEquals(final TlsSyslogFrame frame) {
    63          return this.messageLengthInBytes == frame.messageLengthInBytes;
    64      }
    65
    66      private boolean isMessageEquals(final TlsSyslogFrame frame) {
    67          return this.message.equals(frame.message);
    68      }
    69  }