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## org.apache.fop.pdf
Interface StreamCache

All Known Implementing Classes:
  InMemoryStreamCache, TempFileStreamCache

    public interface StreamCache

Interface used to store the bytes for a PDFStream. It's actually a generic cached byte array. There's a factory that returns either an in-memory or tempfile based implementation based on a cacheToFile setting.

Method Summary
`void` | `clear()` Clears and resets the cache.
`java.io.OutputStream` | `getOutputStream()` Get the current OutputStream.
`int` | `getSize()` Returns the current size of the stream.
`int` | `outputContents(java.io.OutputStream out)` Outputs the cached bytes to the given stream.
`void` | `write(byte[] data)` Convenience method for writing data to the stream cache.

Method Detail

### getOutputStream

    java.io.OutputStream getOutputStream()
                                         throws java.io.IOException

  Get the current OutputStream. Do not store it - it may change from call to call.

  Returns:
    an output stream for this cache
  Throws:
    `java.io.IOException` - if there is an IO error

### write

    void write(byte[] data)
               throws java.io.IOException

  Convenience method for writing data to the stream cache.

  Parameters:
    `data` - byte array to write
  Throws:
    `java.io.IOException` - if there is an IO error

### outputContents

    int outputContents(java.io.OutputStream out)
                       throws java.io.IOException

  Outputs the cached bytes to the given stream.

  Parameters:
    `out` - the stream to write to
  Returns:
    the number of bytes written
  Throws:
    `java.io.IOException` - if there is an IO error

### getSize

    int getSize()
                throws java.io.IOException

  Returns the current size of the stream.

  Returns:
    the size of the cache
  Throws:
    `java.io.IOException` - if there is an IO error

### clear

    void clear()
               throws java.io.IOException

  Clears and resets the cache.

  Throws:
    `java.io.IOException` - if there is an IO error

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