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com.hp.hpl.jena.shared.wg
Class LazyInputStream  

java.lang.Object
  java.io.InputStream
      com.hp.hpl.jena.shared.wg.LazyInputStream

All Implemented Interfaces:

java.io.Closeable

Direct Known Subclasses:

LazyFileInputStream, LazyURLInputStream, LazyZipEntryInputStream

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abstract class LazyInputStream

extends java.io.InputStream

In test cases we cannot open all the input files while creating the test suite, but must defer the opening until the test is actually run.

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Field Summary
private  java.io.InputStream	underlying

 

Constructor Summary
(package private)	LazyInputStream()

 

Method Summary
void	close()           This method closes the stream.
(package private)  boolean	connect()
(package private) abstract  java.io.InputStream	open()
int	read()           This method reads an unsigned byte from the input stream and returns it as an int in the range of 0-255.

 

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, read, reset, skip

 

Methods inherited from class java.lang.Object

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

 

Field Detail

underlying

private java.io.InputStream underlying

Constructor Detail

LazyInputStream

LazyInputStream()

Method Detail

open

abstract java.io.InputStream open()
                           throws java.io.IOException

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connect

boolean connect()
          throws java.io.IOException

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read

public int read()
         throws java.io.IOException

Description copied from class: java.io.InputStream

This method reads an unsigned byte from the input stream and returns it as an int in the range of 0-255. This method also will return -1 if the end of the stream has been reached.

This method will block until the byte can be read.

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close

public void close()
           throws java.io.IOException

Description copied from class: java.io.InputStream

This method closes the stream. Any futher attempts to read from the stream may generate an IOException

This method does nothing in this class, but subclasses may override this method in order to provide additional functionality.

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