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openfuture.util.misc
Class StripWhitespaceReader  

java.lang.Object
  java.io.Reader
      java.io.FilterReader
          openfuture.util.misc.StripWhitespaceReader

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public class StripWhitespaceReader

extends java.io.FilterReader

Reader stripping multiple whitespace characters.

Created: Wed May 02 18:45:53 2001

Version:

$Revision: 1.1.1.1 $

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Field Summary
protected  boolean	cachedChar           True, if a character has been chached in nextChar 55 .
protected  int	nextChar           We have to read one non whitespace character ahead in order to trim trailing whitespace.
protected  boolean	omitWhitespace           True, if a separator occured such that no whitespace is necessary.
private  char[]	separators           Array of characters that do not require whitespace.

 

Fields inherited from class java.io.FilterReader

in

 

Fields inherited from class java.io.Reader

lock

 

Constructor Summary

StripWhitespaceReader(java.io.Reader in, char[] separators)           Creates a new StripWhitespaceReader instance.

 

Method Summary
char[]	getSeparators()           Get the value of separators.
protected  boolean	isSeparator(char c)           Check, if the given character is a separator.
int	read()           Read one single character.
int	read(char[] cbuf, int off, int len)           Read an array of characters merging subsequent whitespaces to a single whitespace using read() 55 .
void	setSeparators(char[] v)           Set the value of separators.
long	skip(long n)           Skip n characters where a sequence of whitespace counts as one character.

 

Methods inherited from class java.io.FilterReader

close, mark, markSupported, ready, reset

 

Methods inherited from class java.io.Reader

read

 

Methods inherited from class java.lang.Object

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

 

Field Detail

nextChar

protected int nextChar

We have to read one non whitespace character ahead in order to trim trailing whitespace.

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cachedChar

protected boolean cachedChar

True, if a character has been chached in nextChar 55 .

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omitWhitespace

protected boolean omitWhitespace

True, if a separator occured such that no whitespace is necessary.

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separators

private char[] separators

Array of characters that do not require whitespace.

Constructor Detail

StripWhitespaceReader

public StripWhitespaceReader(java.io.Reader in,
                             char[] separators)

Creates a new StripWhitespaceReader instance.

Method Detail

read

public int read()
         throws java.io.IOException

Read one single character. If the last character read was a whitespace, read() will advance up to the next non-whitespace character.

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read

public int read(char[] cbuf,
                int off,
                int len)
         throws java.io.IOException

Read an array of characters merging subsequent whitespaces to a single whitespace using read() 55 .

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skip

public long skip(long n)
          throws java.io.IOException

Skip n characters where a sequence of whitespace counts as one character.

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isSeparator

protected boolean isSeparator(char c)

Check, if the given character is a separator.

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getSeparators

public char[] getSeparators()

Get the value of separators.

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setSeparators

public void setSeparators(char[] v)

Set the value of separators.

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