Java Code Examples for org.w3c.dom.Element#lookupPrefix()

The following examples show how to use org.w3c.dom.Element#lookupPrefix() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CustomizationParser.java    From cxf with Apache License 2.0 5 votes vote down vote up 
private void appendJaxbVersion(final Element schemaElement) {
    String jaxbPrefix = schemaElement.lookupPrefix(ToolConstants.NS_JAXB_BINDINGS);
    if (jaxbPrefix == null) {
        schemaElement.setAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI,
                                   "xmlns:jaxb", ToolConstants.NS_JAXB_BINDINGS);
        schemaElement.setAttributeNS(ToolConstants.NS_JAXB_BINDINGS, "jaxb:version", "2.0");
    }
}
Example 2
Source File: NodeImpl.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up 
/**
 *
 * DOM Level 3 - Experimental:
 * Look up the prefix associated to the given namespace URI, starting from this node.
 *
 * @param namespaceURI
 * @return the prefix for the namespace
 */
public String lookupPrefix(String namespaceURI){

    // REVISIT: When Namespaces 1.1 comes out this may not be true
    // Prefix can't be bound to null namespace
    if (namespaceURI == null) {
        return null;
    }

    short type = this.getNodeType();

    switch (type) {
    case Node.ELEMENT_NODE: {
            this.getNamespaceURI(); // to flip out children
            return lookupNamespacePrefix(namespaceURI, (ElementImpl)this);
        }
    case Node.DOCUMENT_NODE:{
            Element docElement = ((Document)this).getDocumentElement();
            if (docElement != null) {
                return docElement.lookupPrefix(namespaceURI);
            }
            return null;
        }

    case Node.ENTITY_NODE :
    case Node.NOTATION_NODE:
    case Node.DOCUMENT_FRAGMENT_NODE:
    case Node.DOCUMENT_TYPE_NODE:
        // type is unknown
        return null;
    case Node.ATTRIBUTE_NODE:{
            if (this.ownerNode.getNodeType() == Node.ELEMENT_NODE) {
                return ownerNode.lookupPrefix(namespaceURI);

            }
            return null;
        }
    default:{
            NodeImpl ancestor = (NodeImpl)getElementAncestor(this);
            if (ancestor != null) {
                return ancestor.lookupPrefix(namespaceURI);
            }
            return null;
        }

    }
}