Example usage for com.google.gwt.resources.ext ResourceContext supportsDataUrls

Introduction

In this page you can find the example usage for com.google.gwt.resources.ext ResourceContext supportsDataUrls.

Prototype

boolean supportsDataUrls();

Source Link

Document

Indicates if the runtime context supports data: urls.

Usage

From source file:cc.alcina.framework.entity.gen.SimpleCssResourceGenerator.java

License:Apache License

@Override
public String createAssignment(TreeLogger logger, ResourceContext context, JMethod method)
        throws UnableToCompleteException {
    try {/*  w w  w  .  j  av a2 s .  c om*/
        ConfigurationProperty cp = context.getGeneratorContext().getPropertyOracle()
                .getConfigurationProperty(IGNORE_DATA_URLS);
        logMissingUrlResources = !Boolean.valueOf(cp.getValues().get(0));
    } catch (BadPropertyValueException e1) {
        e1.printStackTrace();
    }
    URL[] resources = ResourceGeneratorUtil.findResources(logger, context, method);
    if (resources.length != 1) {
        logger.log(TreeLogger.ERROR, "Exactly one resource must be specified", null);
        throw new UnableToCompleteException();
    }
    URL resource = resources[0];
    SourceWriter sw = new StringSourceWriter();
    // Write the expression to create the subtype.
    sw.println("new " + SimpleCssResource.class.getName() + "() {");
    sw.indent();
    if (!AbstractResourceGenerator.STRIP_COMMENTS) {
        // Convenience when examining the generated code.
        sw.println("// " + resource.toExternalForm());
    }
    sw.println("public String getText() {");
    sw.indent();
    String toWrite = Util.readURLAsString(resource);
    if (context.supportsDataUrls()) {
        try {
            toWrite = replaceWithDataUrls(context, toWrite);
        } catch (Exception e) {
            logger.log(Type.ERROR, "css data url gen", e);
            throw new UnableToCompleteException();
        }
    }
    if (toWrite.length() > MAX_STRING_CHUNK) {
        writeLongString(sw, toWrite);
    } else {
        sw.println("return \"" + Generator.escape(toWrite) + "\";");
    }
    sw.outdent();
    sw.println("}");
    sw.println("public String getName() {");
    sw.indent();
    sw.println("return \"" + method.getName() + "\";");
    sw.outdent();
    sw.println("}");
    sw.outdent();
    sw.println("}");
    return sw.toString();
}

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