Package com.itextpdf.tool.xml.css

Class StyleAttrCSSResolver

java.lang.Object

com.itextpdf.tool.xml.css.StyleAttrCSSResolver

All Implemented Interfaces:

CSSResolver

public class StyleAttrCSSResolver
extends Object
implements CSSResolver

Resolves CSS properties.

Field Summary

Fields

Modifier and Type	Field	Description
private final CssFiles	cssFiles
private CssInheritanceRules	inherit
private FileRetrieve	retrieve
static final String	STYLE
private final CssUtils	utils

Constructor Summary

Constructors

Constructor	Description
StyleAttrCSSResolver()	Construct a new StyleAttrCSSResolver with default settings.
StyleAttrCSSResolver(CssFiles cssFiles)	Construct a new StyleAttrCSSResolver with the given CssFiles and the DefaultCssInheritanceRules.
StyleAttrCSSResolver(CssFiles cssFiles, CssUtils utils)	Construct a new StyleAttrCSSResolver with the given CssFiles and CssUtils and the DefaultCssInheritanceRules.
StyleAttrCSSResolver(CssFiles cssFiles, FileRetrieve r)
StyleAttrCSSResolver(CssInheritanceRules rules, CssFiles cssFiles, CssUtils utils)	Construct a new StyleAttrCSSResolver with the given CssFiles and CssUtils.
StyleAttrCSSResolver(CssInheritanceRules rules, CssFiles cssFiles, CssUtils utils, FileRetrieve fileRetrieve)	Construct a new StyleAttrCSSResolver with the given CssFiles and CssUtils.

Method Summary

Modifier and Type	Method	Description
void	addCss(CssFile file)	Add a file to the CssFiles Collection.
void	addCss(String content, boolean isPersistent)	Add a piece of CSS code.
void	addCss(String content, String charSet, boolean isPersistent)	Add a piece of CSS code.
void	addCssFile(String href, boolean isPersistent)	Add a file to the CssFiles Collection.
private boolean	canInherite(Tag t, String property)	Defaults to true if no CssInheritanceRules implementation set.
CSSResolver	clear()
private String	mergeTextDecorationRules(String oldRule, String newRule)
private boolean	mustInherit(String tag)	Defaults to true if no CssInheritanceRules implementation set.
void	resolveStyles(Tag t)	Also taking into account the CSS properties of any parent tag in the given tag.
void	setCssInheritance(CssInheritanceRules cssInheritanceRules)	By setting an implementation of CssInheritanceRules a developer can set rules on what css selectors are inherited from parent tags.
void	setCssInheritanceRules(CssInheritanceRules inherit)
void	setFileRetrieve(FileRetrieve retrieve)	The FileRetrieve implementation to use in addCss(String, boolean).
private void	splitRules(Map<String,String> css, String key, String value)

Methods inherited from class java.lang.Object

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

Field Details

STYLE

public static final String STYLE

See Also:

• Constant Field Values

utils

private final CssUtils utils

inherit

private CssInheritanceRules inherit

cssFiles

private final CssFiles cssFiles

retrieve

private FileRetrieve retrieve

Constructor Details

StyleAttrCSSResolver

public StyleAttrCSSResolver()

Construct a new StyleAttrCSSResolver with default settings.

StyleAttrCSSResolver

public StyleAttrCSSResolver(CssFiles cssFiles)

Construct a new StyleAttrCSSResolver with the given CssFiles and the DefaultCssInheritanceRules.

Parameters:

cssFiles - a CssFiles implementation.

StyleAttrCSSResolver

public StyleAttrCSSResolver(CssFiles cssFiles,
 CssUtils utils)

Construct a new StyleAttrCSSResolver with the given CssFiles and CssUtils and the DefaultCssInheritanceRules.

Parameters:

cssFiles - a CssFiles implementation.

utils - the CssUtils to use.

StyleAttrCSSResolver

public StyleAttrCSSResolver(CssInheritanceRules rules,
 CssFiles cssFiles,
 CssUtils utils)

Construct a new StyleAttrCSSResolver with the given CssFiles and CssUtils.

Parameters:

rules - the CssInheritanceRules to use.

cssFiles - a CssFiles implementation.

utils - the CssUtils to use.

StyleAttrCSSResolver

public StyleAttrCSSResolver(CssInheritanceRules rules,
 CssFiles cssFiles,
 CssUtils utils,
 FileRetrieve fileRetrieve)

Construct a new StyleAttrCSSResolver with the given CssFiles and CssUtils.

Parameters:

rules - the CssInheritanceRules to use.

cssFiles - a CssFiles implementation.

utils - the CssUtils to use.

fileRetrieve - the FileRetrieve implementation

StyleAttrCSSResolver

public StyleAttrCSSResolver(CssFiles cssFiles,
 FileRetrieve r)

Parameters:

cssFiles - the CssFile implementation

r - the FileRetrieve implementation

Method Details

resolveStyles

public void resolveStyles(Tag t)

Also taking into account the CSS properties of any parent tag in the given tag.

Specified by:

resolveStyles in interface CSSResolver

Parameters:

t - the tag.

See Also:

• CSSResolver.resolveStyles(com.itextpdf.tool.xml.Tag)

mergeTextDecorationRules

private String mergeTextDecorationRules(String oldRule,
 String newRule)

splitRules

private void splitRules(Map<String,String> css,
 String key,
 String value)

Parameters:

css - the css map to populate

key - the property

value - the value

setCssInheritance

public void setCssInheritance(CssInheritanceRules cssInheritanceRules)

By setting an implementation of CssInheritanceRules a developer can set rules on what css selectors are inherited from parent tags.

Parameters:

cssInheritanceRules - the inherit to set

canInherite

private boolean canInherite(Tag t,
 String property)

Defaults to true if no CssInheritanceRules implementation set.

Parameters:

t -

property -

Returns:

true if may be inherited false otherwise

mustInherit

private boolean mustInherit(String tag)

Defaults to true if no CssInheritanceRules implementation set.

Parameters:

tag -

Returns:

true if must be inherited false otherwise

addCss

public void addCss(String content,
 String charSet,
 boolean isPersistent)
            throws CssResolverException

Description copied from interface: CSSResolver

Add a piece of CSS code.

Specified by:

addCss in interface CSSResolver

Parameters:

content - the CSS

charSet - a charset

isPersistent - true if the added css should not be deleted on a call to clear

Throws:

CssResolverException - thrown if something goes wrong

addCssFile

public void addCssFile(String href,
 boolean isPersistent)
                throws CssResolverException

Add a file to the CssFiles Collection.

Specified by:

addCssFile in interface CSSResolver

Parameters:

href - the path, if it starts with http we try to retrieve the file from the net, if not we try a normal file operation.

isPersistent - true if the added css should not be deleted on a call to clear

Throws:

CssResolverException - thrown if something goes wrong

addCss

public void addCss(CssFile file)

Add a file to the CssFiles Collection.

Specified by:

addCss in interface CSSResolver

Parameters:

file - the CssFile to add.

addCss

public void addCss(String content,
 boolean isPersistent)
            throws CssResolverException

Description copied from interface: CSSResolver

Add a piece of CSS code.

Specified by:

addCss in interface CSSResolver

Parameters:

content - the content to parse to css

isPersistent - true if the added css should not be deleted on a call to clear

Throws:

CssResolverException - thrown if something goes wrong

setCssInheritanceRules

public void setCssInheritanceRules(CssInheritanceRules inherit)

Parameters:

inherit - the inherit to set

setFileRetrieve

public void setFileRetrieve(FileRetrieve retrieve)

The FileRetrieve implementation to use in addCss(String, boolean).

Specified by:

setFileRetrieve in interface CSSResolver

Parameters:

retrieve - the retrieve to set

clear

public CSSResolver clear()
                  throws CssResolverException

Specified by:

clear in interface CSSResolver

Returns:

an instance of this resolver

Throws:

CssResolverException - thrown if something goes wrong