Java CSSOMParser.parseStyleDeclaration方法代码示例

import com.steadystate.css.parser.CSSOMParser; //导入方法依赖的package包/类
@Override
public void apply(String style) {
    RuleMap rulemap = new RuleMap();
    setup(rulemap);
    try {
        InputSource source = new InputSource(new StringReader(style));
        CSSOMParser parser = new CSSOMParser(new SACParserCSS3());
        CSSStyleDeclaration decl = parser.parseStyleDeclaration(source);
        for (int i = 0; i < decl.getLength(); i++) {
            final String propName = decl.item(i);

            Rule rule = rulemap.get(propName);
            if (rule == null) {
                System.out.println("Unknown CSS property: " + propName);
                continue;
            }
            rule.consumer.accept(StylerValueConverter.convert(decl.getPropertyCSSValue(propName), rule.type));
        }
    } catch(Exception e) {
        e.printStackTrace();
    }
}
 

import com.steadystate.css.parser.CSSOMParser; //导入方法依赖的package包/类
public static String escapeIFrameCss(String orig) {
	String rule = "";
	CSSOMParser parser = new CSSOMParser();
	try {
		List<String> rules = new ArrayList<>();
		CSSStyleDeclaration decl = parser.parseStyleDeclaration(new InputSource(new StringReader(orig)));

		for (int i = 0; i < decl.getLength(); i++) {
			String property = decl.item(i);
			String value = decl.getPropertyValue(property);
			if (StringUtils.isBlank(property) || StringUtils.isBlank(value)) {
				continue;
			}

			if (ALLOWED_IFRAME_CSS_RULES.contains(property) && StringUtils.containsNone(value, FORBIDDEN_CSS_RULE_CHARACTERS)) {
				rules.add(property + ":" + decl.getPropertyValue(property) + ";");
			}
		}
		rule = StringUtils.join(rules, "");
	} catch (Exception e) {
		log.error(e.getMessage(), e);
	}
	return rule;
}
 

import com.steadystate.css.parser.CSSOMParser; //导入方法依赖的package包/类
public static String escapeImgCss(String orig) {
	String rule = "";
	CSSOMParser parser = new CSSOMParser();
	try {
		List<String> rules = new ArrayList<>();
		CSSStyleDeclaration decl = parser.parseStyleDeclaration(new InputSource(new StringReader(orig)));

		for (int i = 0; i < decl.getLength(); i++) {
			String property = decl.item(i);
			String value = decl.getPropertyValue(property);
			if (StringUtils.isBlank(property) || StringUtils.isBlank(value)) {
				continue;
			}

			if (ALLOWED_IMG_CSS_RULES.contains(property) && StringUtils.containsNone(value, FORBIDDEN_CSS_RULE_CHARACTERS)) {
				rules.add(property + ":" + decl.getPropertyValue(property) + ";");
			}
		}
		rule = StringUtils.join(rules, "");
	} catch (Exception e) {
		log.error(e.getMessage(), e);
	}
	return rule;
}
 

import com.steadystate.css.parser.CSSOMParser; //导入方法依赖的package包/类
@Override
public void setCssText(final String cssText) throws DOMException {
	try {
		final InputSource is = new InputSource(new StringReader(cssText));
		final CSSOMParser parser = new CSSOMParser();
		properties_.clear();
		parser.parseStyleDeclaration(this, is);
	} catch (final Exception e) {
		throw new DOMExceptionImpl(DOMException.SYNTAX_ERR, DOMExceptionImpl.SYNTAX_ERROR, e.getMessage());
	}
}
 

import com.steadystate.css.parser.CSSOMParser; //导入方法依赖的package包/类
/**
 * Gets the local style object associated with the element. The properties
 * object returned only includes properties from the local style attribute.
 * It may return null only if the type of element does not handle
 * stylesheets.
 *
 * @return the style
 */
@Override
public AbstractCSSProperties getStyle() {

	AbstractCSSProperties sds;
	synchronized (this) {
		sds = this.localStyleDeclarationState;
		if (sds != null) {
			return sds;
		}
		sds = new LocalCSSProperties(this);
		// Add any declarations in style attribute (last takes precedence).
		String style = this.getAttribute(STYLE_HTML);

		if (style != null && style.length() != 0) {
			CSSOMParser parser = new CSSOMParser(new SACParserCSS3());
			InputSource inputSource = this.getCssInputSourceForDecl(style);
			try {
				CSSStyleDeclaration sd = parser.parseStyleDeclaration(inputSource);
				sd.setCssText(style);
				sds.addStyleDeclaration(sd);
			} catch (Exception err) {
				String id = this.getId();
				String withId = id == null ? "" : " with ID '" + id + "'";
				logger.error("Unable to parse style attribute value for element " + this.getTagName() + withId
						+ " in " + this.getDocumentURL() + ".", err);
			}
		}
		this.localStyleDeclarationState = sds;

	}
	// Synchronization note: Make sure getStyle() does not return multiple
	// values.
	return sds;
}