com.google.common.io

## Class CountingOutputStream

- java.lang.Object
- - java.io.OutputStream
  - - java.io.FilterOutputStream
    - - com.google.common.io.CountingOutputStream

- All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

      @Beta
      public final class CountingOutputStream
      extends java.io.FilterOutputStream

  An OutputStream that counts the number of bytes written.
  Since:
    1.0

- - ### Field Summary

    - ### Fields inherited from class java.io.FilterOutputStream

      `out`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `CountingOutputStream(java.io.OutputStream out)` Wraps another output stream, counting the number of bytes written.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `close()`
    `long` | `getCount()` Returns the number of bytes written.
    `void` | `write(byte[] b, int off, int len)`
    `void` | `write(int b)`

    - ### Methods inherited from class java.io.FilterOutputStream

      `flush, write`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### CountingOutputStream

          public CountingOutputStream(java.io.OutputStream out)

      Wraps another output stream, counting the number of bytes written.
      Parameters:
        `out` - the output stream to be wrapped

  - ### Method Detail

    - #### getCount

          public long getCount()

      Returns the number of bytes written.

    - #### write

          public void write(byte[] b,
                   int off,
                   int len)
                     throws java.io.IOException

      Overrides:
        `write` in class `java.io.FilterOutputStream`
      Throws:
        `java.io.IOException`

    - #### write

          public void write(int b)
                     throws java.io.IOException

      Overrides:
        `write` in class `java.io.FilterOutputStream`
      Throws:
        `java.io.IOException`

    - #### close

          public void close()
                     throws java.io.IOException

      Specified by:
        `close` in interface `java.io.Closeable`
      Specified by:
        `close` in interface `java.lang.AutoCloseable`
      Overrides:
        `close` in class `java.io.FilterOutputStream`
      Throws:
        `java.io.IOException`