Package org.apache.wicket.markup.parser

Class XmlPullParser

java.lang.Object

org.apache.wicket.markup.parser.XmlPullParser

All Implemented Interfaces:

IXmlPullParser

public final class XmlPullParser
extends Object
implements IXmlPullParser

A fairly shallow markup pull parser which parses a markup string of a given type of markup (for example, html, xml, vxml or wml) into ComponentTag and RawMarkup tokens.

Author:

Jonathan Locke, Juergen Donnerstag

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.wicket.markup.parser.IXmlPullParser

IXmlPullParser.HttpTagType

Field Summary

Fields

Modifier and Type	Field	Description
static String	SCRIPT
static String	STYLE

Constructor Summary

Constructors

Constructor	Description
XmlPullParser()	Construct.

Method Summary

Modifier and Type	Method	Description
CharSequence	getDoctype()	Gets the <!DOCTYPE ...> tag if found in the markup
XmlTag	getElement()
String	getEncoding()	Return the encoding applied while reading the markup resource.
CharSequence	getInput(int fromPos, int toPos)	Wicket dissects the markup into Wicket relevant tags and raw markup, which is not further analyzed by Wicket.
CharSequence	getInputFromPositionMarker(int toPos)	Wicket dissects the markup into Wicket relevant tags and raw markup, which is not further analyzed by Wicket.
CharSequence	getString()
IXmlPullParser.HttpTagType	next()	Move to the next XML element
XmlTag	nextTag()
void	parse(InputStream in)	Reads and parses markup from an input stream, using UTF-8 encoding by default when not specified in XML declaration.
void	parse(InputStream inputStream, String encoding)	Reads and parses markup from an input stream.
void	parse(CharSequence string)	Parse the given string.
void	setPositionMarker()	Set the position marker of the markup at the current position.
void	setPositionMarker(int pos)	Set the position marker of the markup
protected void	specialTagHandling(String tagText, int openBracketIndex, int closeBracketIndex)	Handle special tags like <!-- --> or <![CDATA[..]]> or <?xml>
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

STYLE

public static final String STYLE

See Also:

Constant Field Values

SCRIPT

public static final String SCRIPT

See Also:

Constant Field Values

Constructor Detail

XmlPullParser

public XmlPullParser()

Construct.

Method Detail

getEncoding

public final String getEncoding()

Description copied from interface: IXmlPullParser

Return the encoding applied while reading the markup resource. The encoding is determined by analyzing the <?xml version=".." encoding=".." ?> tag.

Specified by:

getEncoding in interface IXmlPullParser

Returns:

if null, JVM defaults have been used.

getDoctype

public final CharSequence getDoctype()

Description copied from interface: IXmlPullParser

Gets the <!DOCTYPE ...> tag if found in the markup

Specified by:

getDoctype in interface IXmlPullParser

Returns:

Null, if not found

getInputFromPositionMarker

public final CharSequence getInputFromPositionMarker(int toPos)

Description copied from interface: IXmlPullParser

Wicket dissects the markup into Wicket relevant tags and raw markup, which is not further analyzed by Wicket. The method getInputFromPositionMarker() is used to access the raw markup.

Specified by:

getInputFromPositionMarker in interface IXmlPullParser

Parameters:

toPos - To position

Returns:

The raw markup in between the position marker and toPos

getInput

public final CharSequence getInput(int fromPos,
                                   int toPos)

Description copied from interface: IXmlPullParser

Wicket dissects the markup into Wicket relevant tags and raw markup, which is not further analyzed by Wicket. The getInputSubsequence() method is used to access the raw markup.

Specified by:

getInput in interface IXmlPullParser

Parameters:

fromPos - From position

toPos - To position

Returns:

The raw markup in between fromPos and toPos

next

public final IXmlPullParser.HttpTagType next()
                                      throws ParseException

Description copied from interface: IXmlPullParser

Move to the next XML element

Specified by:

next in interface IXmlPullParser

Returns:

XXX

Throws:

ParseException

specialTagHandling

protected void specialTagHandling(String tagText,
                                  int openBracketIndex,
                                  int closeBracketIndex)
                           throws ParseException

Handle special tags like <!-- --> or <![CDATA[..]]> or <?xml>

Parameters:

tagText -

openBracketIndex -

closeBracketIndex -

Throws:

ParseException

getElement

public final XmlTag getElement()

Specified by:

getElement in interface IXmlPullParser

Returns:

MarkupElement

getString

public final CharSequence getString()

Specified by:

getString in interface IXmlPullParser

Returns:

The xml string from the last element

nextTag

public final XmlTag nextTag()
                     throws ParseException

Returns:

The next XML tag

Throws:

ParseException

parse

public void parse(CharSequence string)
           throws IOException

Parse the given string.

Note: xml character encoding is NOT applied. It is assumed the input provided does have the correct encoding already.

Specified by:

parse in interface IXmlPullParser

Parameters:

string - The input string

Throws:

IOException - Error while reading the resource

parse

public void parse(InputStream in)
           throws IOException

Reads and parses markup from an input stream, using UTF-8 encoding by default when not specified in XML declaration.

Specified by:

parse in interface IXmlPullParser

Parameters:

in - The input stream to read and parse

Throws:

IOException

See Also:

parse(InputStream, String)

parse

public void parse(InputStream inputStream,
                  String encoding)
           throws IOException

Reads and parses markup from an input stream.

Note: The input is closed after parsing.

Specified by:

parse in interface IXmlPullParser

Parameters:

inputStream - The input stream to read and parse

encoding - The default character encoding of the input

Throws:

IOException

setPositionMarker

public final void setPositionMarker()

Description copied from interface: IXmlPullParser

Set the position marker of the markup at the current position.

Specified by:

setPositionMarker in interface IXmlPullParser

setPositionMarker

public final void setPositionMarker(int pos)

Description copied from interface: IXmlPullParser

Set the position marker of the markup

Specified by:

setPositionMarker in interface IXmlPullParser

toString

public String toString()

Overrides:

toString in class Object