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## javax.mail.internet
Interface SharedInputStream

public interface SharedInputStream

An InputStream that is backed by data that can be shared by multiple readers may implement this interface. This allows users of such an InputStream to determine the current positionin the InputStream, and to create new InputStreams representing a subset of the data in the original InputStream. The new InputStream will access the same underlying data as the original, without copying the data.

Since:
  JavaMail 1.2

Method Summary
`long` | `getPosition()` Return the current position in the InputStream, as an offset from the beginning of the InputStream.
`java.io.InputStream` | `newStream(long start, long end)` Return a new InputStream representing a subset of the data from this InputStream, starting at `start` (inclusive) up to `end` (exclusive).

Method Detail

### getPosition

    public long getPosition()

  Return the current position in the InputStream, as an offset from the beginning of the InputStream.
  Returns:
    the current position

### newStream

    public java.io.InputStream newStream(long start,
                                         long end)

  Return a new InputStream representing a subset of the data from this InputStream, starting at `start` (inclusive) up to `end` (exclusive). `start` must be non-negative. If `end` is -1, the new stream ends at the same place as this stream. The returned InputStream will also implement the SharedInputStream interface.
  Parameters:
    `start` - the starting position
    `end` - the ending position + 1
  Returns:
    the new stream

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