CountingQuietWriter xref

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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
    18  package org.apache.log4j.helpers;
    19
    20  import java.io.Writer;
    21  import java.io.IOException;
    22
    23  import org.apache.log4j.spi.ErrorHandler;
    24  import org.apache.log4j.spi.ErrorCode;
    25
    26  /**
    27     Counts the number of bytes written.
    28
    29     @author Heinz Richter, heinz.richter@frogdot.com
    30     @since 0.8.1
    31
    32     */
    33  public class CountingQuietWriter extends QuietWriter {
    34
    35    protected long count;
    36
    37    public
    38    CountingQuietWriter(Writer writer, ErrorHandler eh) {
    39      super(writer, eh);
    40    }
    41
    42    public
    43    void write(String string) {
    44      try {
    45        out.write(string);
    46        count += string.length();
    47      }
    48      catch(IOException e) {
    49        errorHandler.error("Write failure.", e, ErrorCode.WRITE_FAILURE);
    50      }
    51    }
    52
    53    public
    54    long getCount() {
    55      return count;
    56    }
    57
    58    public
    59    void setCount(long count) {
    60      this.count = count;
    61    }
    62
    63  }