View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.commons.compress.utils;
20  
21  import java.io.FilterOutputStream;
22  import java.io.IOException;
23  import java.io.OutputStream;
24  
25  /**
26   * Stream that tracks the number of bytes read.
27   *
28   * @since 1.3
29   * @NotThreadSafe
30   * @deprecated Use {@link org.apache.commons.io.output.CountingOutputStream}.
31   */
32  @Deprecated
33  public class CountingOutputStream extends FilterOutputStream {
34      private long bytesWritten;
35  
36      public CountingOutputStream(final OutputStream out) {
37          super(out);
38      }
39  
40      /**
41       * Increments the counter of already written bytes. Doesn't increment if the EOF has been hit (written == -1)
42       *
43       * @param written the number of bytes written
44       */
45      protected void count(final long written) {
46          if (written != -1) {
47              bytesWritten += written;
48          }
49      }
50  
51      /**
52       * Returns the current number of bytes written to this stream.
53       *
54       * @return the number of written bytes
55       */
56      public long getBytesWritten() {
57          return bytesWritten;
58      }
59  
60      @Override
61      public void write(final byte[] b) throws IOException {
62          write(b, 0, b.length);
63      }
64  
65      @Override
66      public void write(final byte[] b, final int off, final int len) throws IOException {
67          out.write(b, off, len);
68          count(len);
69      }
70  
71      @Override
72      public void write(final int b) throws IOException {
73          out.write(b);
74          count(1);
75      }
76  }