com.quiotix.html.parser
Class HtmlScrubber

java.lang.Object
  com.quiotix.html.parser.HtmlVisitor
      com.quiotix.html.parser.HtmlScrubber

public class HtmlScrubber
extends HtmlVisitor

HtmlScrubber is a Visitor which walks an HtmlDocument and cleans it up. It can change tags and tag attributes to uppercase or lowercase, strip out unnecessary quotes from attribute values, and strip trailing spaces before a newline.

Author:

Brian Goetz, Quiotix Additional contributions by: Thorsten Weber

Field Summary

static int	ATTR_DOWNCASE Set attribute case to lower.
static int	ATTR_UPCASE Set attribute case to upper.
static int	DEFAULT_OPTIONS Defaults: downcase tags and attributes, quote attributes.
protected int	flags
protected boolean	inPreBlock
protected HtmlDocument.HtmlElement	previousElement
static int	QUOTE_ATTRS Quote attributes.
static int	STRIP_QUOTES Remove quotes.
static int	TAGS_DOWNCASE Set tag case to lower.
static int	TAGS_UPCASE Set tag case to upper.
static int	TRIM_SPACES Trim spaces.

Constructor Summary

HtmlScrubber()
Create an HtmlScrubber with the default options (downcase tags and tag attributes, strip out unnecessary quotes).

HtmlScrubber(int flags)
Create an HtmlScrubber with the desired set of options.

Method Summary

void	start() Start.
void	visit(HtmlDocument.Annotation a) Visit an Annotation.
void	visit(HtmlDocument.Comment c) Visit a Comment.
void	visit(HtmlDocument.EndTag t) Visit an EndTag.
void	visit(HtmlDocument.Newline n) Visit a Newline.
void	visit(HtmlDocument.Tag t) Visit a Tag.
void	visit(HtmlDocument.TagBlock bl) Visit a TagBlock.
void	visit(HtmlDocument.Text t) Visit Text.

Methods inherited from class com.quiotix.html.parser.HtmlVisitor

finish, visit, visit

Methods inherited from class java.lang.Object

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

Field Detail

TAGS_UPCASE

public static final int TAGS_UPCASE

Set tag case to upper.

See Also:

Constant Field Values

TAGS_DOWNCASE

public static final int TAGS_DOWNCASE

Set tag case to lower.

See Also:

Constant Field Values

ATTR_UPCASE

public static final int ATTR_UPCASE

Set attribute case to upper.

See Also:

Constant Field Values

ATTR_DOWNCASE

public static final int ATTR_DOWNCASE

Set attribute case to lower.

See Also:

Constant Field Values

STRIP_QUOTES

public static final int STRIP_QUOTES

Remove quotes.

See Also:

Constant Field Values

TRIM_SPACES

public static final int TRIM_SPACES

Trim spaces.

See Also:

Constant Field Values

QUOTE_ATTRS

public static final int QUOTE_ATTRS

Quote attributes.

See Also:

Constant Field Values

DEFAULT_OPTIONS

public static final int DEFAULT_OPTIONS

Defaults: downcase tags and attributes, quote attributes.

See Also:

Constant Field Values

flags

protected int flags

previousElement

protected HtmlDocument.HtmlElement previousElement

inPreBlock

protected boolean inPreBlock

Constructor Detail

HtmlScrubber

public HtmlScrubber()

Create an HtmlScrubber with the default options (downcase tags and tag attributes, strip out unnecessary quotes).

HtmlScrubber

public HtmlScrubber(int flags)

Create an HtmlScrubber with the desired set of options.

Parameters:

flags - A bitmask representing the desired scrubbing options

Method Detail

start

public void start()

Description copied from class: HtmlVisitor

Start.

Overrides:

start in class HtmlVisitor

visit

public void visit(HtmlDocument.Tag t)

Description copied from class: HtmlVisitor

Visit a Tag.

Overrides:

visit in class HtmlVisitor

visit

public void visit(HtmlDocument.EndTag t)

Description copied from class: HtmlVisitor

Visit an EndTag.

Overrides:

visit in class HtmlVisitor

visit

public void visit(HtmlDocument.Text t)

Description copied from class: HtmlVisitor

Visit Text.

Overrides:

visit in class HtmlVisitor

visit

public void visit(HtmlDocument.Comment c)

Description copied from class: HtmlVisitor

Visit a Comment.

Overrides:

visit in class HtmlVisitor

visit

public void visit(HtmlDocument.Newline n)

Description copied from class: HtmlVisitor

Visit a Newline.

Overrides:

visit in class HtmlVisitor

visit

public void visit(HtmlDocument.Annotation a)

Description copied from class: HtmlVisitor

Visit an Annotation.

Overrides:

visit in class HtmlVisitor

visit

public void visit(HtmlDocument.TagBlock bl)

Description copied from class: HtmlVisitor

Visit a TagBlock.

Overrides:

visit in class HtmlVisitor