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Jakarta-Regexp 1.2 API: Class ReaderCharacterIterator
org.apache.regexp
Class ReaderCharacterIterator
java.lang.Object
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+--org.apache.regexp.ReaderCharacterIterator
- All Implemented Interfaces:
- CharacterIterator
- public final class ReaderCharacterIterator
- extends java.lang.Object
- implements CharacterIterator
Encapsulates InputStream, ...
- Author:
- Ales Novak
Field Summary |
private java.lang.StringBuffer |
buff
Buffer of read chars |
private boolean |
closed
read end? |
private java.io.Reader |
reader
Underlying is |
Method Summary |
char |
charAt(int pos)
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private void |
ensure(int idx)
Reads chars up to the idx |
boolean |
isEnd(int pos)
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private int |
read(int n)
Reads n characters from the stream and appends them to the buffer |
private void |
readAll()
Reads rest of the stream. |
java.lang.String |
substring(int offset)
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java.lang.String |
substring(int offset,
int length)
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Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait |
reader
private final java.io.Reader reader
- Underlying is
buff
private final java.lang.StringBuffer buff
- Buffer of read chars
closed
private boolean closed
- read end?
ReaderCharacterIterator
public ReaderCharacterIterator(java.io.Reader reader)
- Parameters:
is - an Reader, which is parsed
substring
public java.lang.String substring(int offset,
int length)
- Specified by:
substring in interface CharacterIterator
- Returns:
- a substring
substring
public java.lang.String substring(int offset)
- Specified by:
substring in interface CharacterIterator
- Returns:
- a substring
charAt
public char charAt(int pos)
- Specified by:
charAt in interface CharacterIterator
- Returns:
- a character at the specified position.
isEnd
public boolean isEnd(int pos)
- Specified by:
isEnd in interface CharacterIterator
- Returns:
- true iff if the specified index is after the end of the character stream
read
private int read(int n)
throws java.io.IOException
- Reads n characters from the stream and appends them to the buffer
readAll
private void readAll()
throws java.io.IOException
- Reads rest of the stream.
ensure
private void ensure(int idx)
throws java.io.IOException
- Reads chars up to the idx
Copyright © 2000 Apache Software Foundation. All Rights Reserved.
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