Example usage for com.google.gwt.uibinder.rebind XMLElement hasChildNodes

Introduction

In this page you can find the example usage for com.google.gwt.uibinder.rebind XMLElement hasChildNodes.

Prototype

public boolean hasChildNodes() 

Source Link

Usage

From source file:org.vectomatic.dev.svg.impl.gen.SVGImageParser.java

License:Open Source License

@Override
public void parse(XMLElement elem, String fieldName, JClassType type, UiBinderWriter writer)
        throws UnableToCompleteException {
    if (elem.hasAttribute(ATTR_RESOURCE) && elem.hasChildNodes()) {
        writer.die("In %s, attribute \"%s\" and inline svg are mutually exclusive", elem, ATTR_RESOURCE);
    }// w ww  .ja v  a2s  .  c  o m
    if (!(elem.hasAttribute(ATTR_RESOURCE) || elem.hasChildNodes())) {
        writer.die("In %s, attribute \"%s\" or inline svg must be present", elem, ATTR_RESOURCE);
    }
    if (elem.hasAttribute(ATTR_RESOURCE)) {
        JClassType svgResourceType = writer.getOracle().findType(SVGResource.class.getCanonicalName());
        String resource = elem.consumeAttribute(ATTR_RESOURCE, svgResourceType);
        writer.addStatement("%s.setResource(%s);", fieldName, resource);
    } else {
        boolean validated = true;
        if (elem.hasAttribute(ATTR_VALIDATED)) {
            String value = elem.consumeBooleanAttribute(ATTR_VALIDATED);
            validated = Boolean.valueOf(value);
        }
        Element container = elem.getElement();
        NodeList childNodes = container.getChildNodes();
        Element root = null;
        for (int i = 0, length = childNodes.getLength(); i < length; i++) {
            Node node = childNodes.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                if (root == null && SVGConstants.SVG_NAMESPACE_URI.equals(node.getNamespaceURI())
                        && SVGConstants.SVG_SVG_TAG.equals(node.getLocalName())) {
                    root = (Element) node;
                } else {
                    writer.die("In %s, attribute \"%s\" or inline svg must be present", elem, ATTR_RESOURCE);
                }
            }
        }
        if (root == null) {
            writer.die("In %s, attribute \"%s\" or inline svg must be present", elem, ATTR_RESOURCE);
        }
        writer.beginAttachedSection(fieldName + ".getElement()");
        SvgInterpreter interpreter = SvgInterpreter.newInterpreterForUiObject(writer, fieldName, root);
        String rawSvg = elem.consumeInnerHtml(interpreter);
        if (validated) {
            SVGValidator.validate(rawSvg, elem.getLocation().getSystemId(), null, writer);
        }
        String omSvgParser = OMSVGParser.class.getName();
        writer.addStatement("%s.setSvgElement(%s.parse(\"%s\"));", fieldName, omSvgParser, rawSvg);
        writer.endAttachedSection();
    }
}

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