java.lang.Object
- org.jivesoftware.openfire.nio.XMLLightweightParser

```
public class XMLLightweightParser
extends Object
```
This is a Light-Weight XML Parser. It read data from a channel and collect data until data are available in the channel. When a message is complete you can retrieve messages invoking the method getMsgs() and you can invoke the method areThereMsgs() to know if at least an message is presents.

Author:

Daniele Piras, Gaston Dombiak

Field Summary

Fields
Modifier and Type	Field	Description
`protected StringBuilder`	`buffer`
`protected static char[]`	`CDATA_END`
`protected static char[]`	`CDATA_START`
`protected int`	`cdataOffset`
`protected StringBuilder`	`head`
`protected static int`	`HEAD`
`protected static int`	`INIT`
`protected static int`	`INSIDE`
`protected static int`	`INSIDE_CDATA`
`protected static int`	`INSIDE_PARAM_VALUE`
`protected boolean`	`insideChildrenTag`
`protected boolean`	`insideRootTag`
`protected List<String>`	`msgs`
`protected static int`	`OUTSIDE`
`protected static int`	`PRETAIL`
`protected int`	`startLastMsg`
`protected int`	`status`
`protected static int`	`TAIL`
`protected int`	`tailCount`
`protected static int`	`VERIFY_CLOSE_TAG`
`static SystemProperty<Long>`	`XMPP_PARSER_BUFFER_SIZE`

Constructor Summary

Constructors
Constructor Description

XMLLightweightParser()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`areThereMsgs()`
`protected void`	`foundMsg(String msg)`
`String[]`	`getMsgs()`
`static boolean`	`hasIllegalCharacterReferences(String string)`	This method verifies if the provided argument contains at least one numeric character reference ( `CharRef ::= '&#' [0-9]+ ';' \| '&#x' [0-9a-fA-F]+ ';`) for which the decimal or hexidecimal character value refers to an invalid XML 1.0 character.
`protected void`	`invalidateBuffer()`
`static boolean`	`isLegalXmlCharacter(int value)`	Verifies if the codepoint value represents a valid character as defined in paragraph 2.2 of "Extensible Markup Language (XML) 1.0 (Fifth Edition)"
`boolean`	`isMaxBufferSizeExceeded()`
`void`	`read(io.netty.buffer.ByteBuf in)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - XMPP_PARSER_BUFFER_SIZE
```
public static final SystemProperty<Long> XMPP_PARSER_BUFFER_SIZE
```
  - CDATA_START
```
protected static char[] CDATA_START
```
  - CDATA_END
```
protected static char[] CDATA_END
```
  - buffer
```
protected StringBuilder buffer
```
  - INIT
```
protected static final int INIT
```
    See Also:
    
    Constant Field Values
  - HEAD
```
protected static final int HEAD
```
    See Also:
    
    Constant Field Values
  - INSIDE
```
protected static final int INSIDE
```
    See Also:
    
    Constant Field Values
  - PRETAIL
```
protected static final int PRETAIL
```
    See Also:
    
    Constant Field Values
  - TAIL
```
protected static final int TAIL
```
    See Also:
    
    Constant Field Values
  - VERIFY_CLOSE_TAG
```
protected static final int VERIFY_CLOSE_TAG
```
    See Also:
    
    Constant Field Values
  - INSIDE_PARAM_VALUE
```
protected static final int INSIDE_PARAM_VALUE
```
    See Also:
    
    Constant Field Values
  - INSIDE_CDATA
```
protected static final int INSIDE_CDATA
```
    See Also:
    
    Constant Field Values
  - OUTSIDE
```
protected static final int OUTSIDE
```
    See Also:
    
    Constant Field Values
  - status
```
protected int status
```
  - cdataOffset
```
protected int cdataOffset
```
  - tailCount
```
protected int tailCount
```
  - startLastMsg
```
protected int startLastMsg
```
  - insideRootTag
```
protected boolean insideRootTag
```
  - head
```
protected StringBuilder head
```
  - msgs
```
protected List<String> msgs
```
  - insideChildrenTag
```
protected boolean insideChildrenTag
```
- Constructor Detail
  - XMLLightweightParser
```
public XMLLightweightParser()
```
- Method Detail
  - areThereMsgs
```
public boolean areThereMsgs()
```
  - getMsgs
```
public String[] getMsgs()
```
  - invalidateBuffer
```
protected void invalidateBuffer()
```
  - foundMsg
```
protected void foundMsg(String msg)
                 throws XMLNotWellFormedException
```
    Throws:
    
    XMLNotWellFormedException
  - isMaxBufferSizeExceeded
```
public boolean isMaxBufferSizeExceeded()
```
  - read
```
public void read(io.netty.buffer.ByteBuf in)
          throws Exception
```
    Throws:
    
    Exception
  - hasIllegalCharacterReferences
```
public static boolean hasIllegalCharacterReferences(String string)
```
    This method verifies if the provided argument contains at least one numeric character reference ( CharRef ::= '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';) for which the decimal or hexidecimal character value refers to an invalid XML 1.0 character.
    
    Parameters:
    
    string - The input string
    
    Returns:
    
    true if the input string contains an invalid numeric character reference, false otherwise.
    
    See Also:
    
    Definition of a character reference
  - isLegalXmlCharacter
```
public static boolean isLegalXmlCharacter(int value)
```
    Verifies if the codepoint value represents a valid character as defined in paragraph 2.2 of "Extensible Markup Language (XML) 1.0 (Fifth Edition)"
    
    Parameters:
    
    value - the codepoint
    
    Returns:
    
    true if the codepoint is a valid character per XML 1.0 definition, false otherwise.
    
    See Also:
    
    Definition of a characters range

Class XMLLightweightParser

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

XMPP_PARSER_BUFFER_SIZE

CDATA_START

CDATA_END

buffer

INIT

HEAD

INSIDE

PRETAIL

TAIL

VERIFY_CLOSE_TAG

INSIDE_PARAM_VALUE

INSIDE_CDATA

OUTSIDE

status

cdataOffset

tailCount

startLastMsg

insideRootTag

head

msgs

insideChildrenTag

Constructor Detail

XMLLightweightParser

Method Detail

areThereMsgs

getMsgs

invalidateBuffer

foundMsg

isMaxBufferSizeExceeded

read

hasIllegalCharacterReferences

isLegalXmlCharacter