All Packages    This Package  Previous  Next  

Class sqlj.runtime.StreamWrapper

java.lang.Object
   |
   +----java.io.InputStream
           |
           +----java.io.FilterInputStream
                   |
                   +----sqlj.runtime.StreamWrapper

public class StreamWrapper
extends FilterInputStream
This class wraps a particular InputStream instance. It also extends the InputStream class by providing direct call-throughs to the wrapped InputStream for all methods. Additionally, it supports a length attribute which allows subclasses to be passed as input-parameters to executable sql operations.

See Also:
InputStream

Constructor Index

 o StreamWrapper(InputStream)
Creates a new StreamWrapper using the bytes in the passed InputStream.
 o StreamWrapper(InputStream, int)
Creates a new StreamWrapper using the bytes in the passed InputStream.

Method Index

 o getInputStream()
Returns the underlying input stream which is being wrapped.
 o getLength()
Returns the length in bytes of the wrapped InputStream, as specified during construction or in the last call to setLength().
 o setLength(int)
Sets the length attribute of the wrapped stream to be the passed value.

Constructors

 o StreamWrapper
 protected StreamWrapper(InputStream in)
Creates a new StreamWrapper using the bytes in the passed InputStream. The length of the input stream is uninitialized.

Parameters:
in - the input stream to wrap
 o StreamWrapper
 protected StreamWrapper(InputStream in,
                         int length)
Creates a new StreamWrapper using the bytes in the passed InputStream. The length of the input stream is initialized to the length field passed.

Parameters:
in - the input stream to wrap
length - the length of the input stream in bytes

Methods

 o getInputStream
 public InputStream getInputStream()
Returns the underlying input stream which is being wrapped. The client is free to get and set this field for reuse with different input streams, but should also set the length attribute to match.

 o getLength
 public int getLength()
Returns the length in bytes of the wrapped InputStream, as specified during construction or in the last call to setLength().

Returns:
the length in bytes of the input stream
 o setLength
 public void setLength(int length)
Sets the length attribute of the wrapped stream to be the passed value. This does not effect the wrapped InputStream, but will effect the number of bytes read from it when it is passed as an input parameter to an executable sql operation.

Parameters:
length - the new length of the InputStream in bytes

All Packages    This Package  Previous  Next