org.apache.regexp
Class StreamCharacterIterator
java.lang.Object
|
+--org.apache.regexp.StreamCharacterIterator
- All Implemented Interfaces:
- CharacterIterator
- public final class StreamCharacterIterator
- extends java.lang.Object
- implements CharacterIterator
Encapsulates java.io.InputStream as CharacterIterator.
- Version:
- CVS $Id: StreamCharacterIterator.java 518156 2007-03-14 14:31:26Z vgritsenko $
- Author:
- Ales Novak
Field Summary |
private java.lang.StringBuffer |
buff
Buffer of read chars |
private boolean |
closed
read end? |
private java.io.InputStream |
is
Underlying is |
Method Summary |
char |
charAt(int pos)
|
private void |
ensure(int idx)
Reads chars up to the idx |
boolean |
isEnd(int pos)
|
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 beginIndex)
|
java.lang.String |
substring(int beginIndex,
int endIndex)
|
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait |
is
private final java.io.InputStream is
- Underlying is
buff
private final java.lang.StringBuffer buff
- Buffer of read chars
closed
private boolean closed
- read end?
StreamCharacterIterator
public StreamCharacterIterator(java.io.InputStream is)
- Parameters:
is
- an InputStream, which is parsed
substring
public java.lang.String substring(int beginIndex,
int endIndex)
- Specified by:
substring
in interface CharacterIterator
- Returns:
- a substring
substring
public java.lang.String substring(int beginIndex)
- 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 © 2001-2007 Apache Software Foundation. All Rights Reserved.