Example usage for com.google.gwt.resources.css ExtractClassNamesVisitor exec

Introduction

In this page you can find the example usage for com.google.gwt.resources.css ExtractClassNamesVisitor exec.

Prototype

public static Set<String> exec(CssStylesheet sheet, JClassType... imports) 

Source Link

Document

Extract all CSS class names in the provided stylesheet, modulo those imported from another context.

Usage

From source file:fr.onevu.gwt.uibinder.rebind.model.ImplicitCssResource.java

License:Apache License

/**
 * Returns the set of CSS classnames in the underlying .css files.
 *
 * @throws UnableToCompleteException if the user has called for a .css file we
 *           can't find./*from   www  .  ja va 2s  .  c o m*/
 */
public Set<String> getCssClassNames() throws UnableToCompleteException {
    List<URL> urls = getExternalCss();
    if (cssClassNames == null) {
        final File bodyFile = getGeneratedFile();
        if (bodyFile != null) {
            try {
                urls.add(bodyFile.toURI().toURL());
            } catch (MalformedURLException e) {
                throw new RuntimeException(e);
            }
        }
        assert urls.size() > 0;

        CssStylesheet sheet = GenerateCssAst.exec(logger.getTreeLogger(), urls.toArray(new URL[urls.size()]));
        cssClassNames = ExtractClassNamesVisitor.exec(sheet, imports.toArray(new JClassType[imports.size()]));
    }
    return cssClassNames;
}

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