Class StyleAttribute

java.lang.Object

dev.jcputney.mjml.css.StyleAttribute

public final class StyleAttribute
extends Object

Parses, merges, and serializes CSS inline style attributes. Handles specificity-aware merging where higher specificity or later source order wins, and !important declarations take precedence.

Method Summary

Modifier and Type	Method	Description
static List<CssDeclaration>	merge(List<CssDeclaration> existing, List<CssDeclaration> incoming, CssSpecificity incomingSpec)	Merges new declarations into existing inline style declarations.
static List<CssDeclaration>	parse(String style)	Parses an inline style string into a list of declarations.
static String	serialize(List<CssDeclaration> declarations)	Serializes a list of declarations back to an inline style string.

Methods inherited from class Object

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

Method Details

parse

public static List<CssDeclaration> parse(String style)

Parses an inline style string into a list of declarations. Example: "color: red; font-size: 14px" -> [CssDeclaration("color","red",false), ...]

Parameters:

style - the inline CSS style string to parse, or null

Returns:

a list of parsed CssDeclaration instances (empty if input is null or blank)

serialize

public static String serialize(List<CssDeclaration> declarations)

Serializes a list of declarations back to an inline style string.

Parameters:

declarations - the list of CSS declarations to serialize

Returns:

the serialized inline style string, or an empty string if declarations is null or empty

merge

public static List<CssDeclaration> merge(List<CssDeclaration> existing,
 List<CssDeclaration> incoming,
 CssSpecificity incomingSpec)

Merges new declarations into existing inline style declarations. Rules:

1. If existing has !important and new doesn't, existing wins
2. If new has !important, new wins
3. If neither or both have !important, new wins (later source order)

Parameters:

existing - the current inline style declarations

incoming - the new declarations to merge

incomingSpec - specificity of the incoming rule (unused if inline=true)

Returns:

merged declarations list