Examples of nu.xom.NodeFactory

nu.xom.NodeFactory

Builders use a NodeFactory object to construct each Node object (Element, Text, Attribute, etc.) they add to the tree. The default implementation simply calls the relevant constructor, stuffs the resulting Node object in a length one Nodes object, and returns it.

Subclassing this class allows builders to produce instance of subclasses (for example, HTMLElement) instead of the base classes.

Subclasses can also filter content while building. For example, namespaces could be added to or changed on all elements. Comments could be deleted. Processing instructions can be changed into elements. An xinclude:include element could be replaced with the content it references. All such changes must be consistent with the usual rules of well-formedness. For example, the makeDocType() method should not return a list containing two DocType objects because an XML document can have at most one document type declaration. Nor should it return a list containing an element, because an element cannot appear in a document prolog. However, it could return a list containing any number of comments and processing instructions, and not more than one DocType object.
@author Elliotte Rusty Harold @version 1.1d5

    
    public void testChangeElementsToAttributes() 
      throws ParsingException, IOException {
        
        String data = "<a><b>data1</b><c>text</c></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Nodes finishMakingElement(Element element) {
                Nodes result = new Nodes();
                if (element.getParent() instanceof Document) {
                    result.append(element);

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    public void testChangeDefaultNamespaceFromEnd() 
      throws ParsingException, IOException {
        
        String data = "<a><b xmlns='http://www.a.com'/></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Nodes finishMakingElement(Element element) {
                Nodes result = new Nodes(element);
                element.setNamespaceURI("http://www.b.org/");
                return result;

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    // XXX need to test changing namespaces of attributes too
    public void testChangePrefixedNamespaceFromEnd() 
      throws ParsingException, IOException {
        
        String data = "<a><pre:b xmlns:pre='http://www.a.com'/></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Nodes finishMakingElement(Element element) {
                Nodes result = new Nodes(element);
                element.setNamespaceURI("http://www.b.org/");
                return result;

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    public void testChangeDefaultNamespaceFromBeginning() 
      throws ParsingException, IOException {
        
        String data = "<a><b xmlns='http://www.a.com'/></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Element startMakingElement(String name, String namespaceURI) {
                return new Element(name, "http://www.b.org/");
            }

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    public void testChangePrefixedNamespaceFromBeginning() 
      throws ParsingException, IOException {
        
        String data = "<a><pre:b xmlns:pre='http://www.a.com'/></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Element startMakingElement(String name, String namespaceURI) {
                return new Element(name, "http://www.b.org/");
            }

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    public void testChangeTextToAttributes() 
      throws ParsingException, IOException {
        
        String data = "<a><b>data1</b><c>text</c></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Nodes makeText(String text) {
                Nodes result = new Nodes();
                result.append(new Attribute("name", text));
                return result;

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    public void testChangeRootElementsToAttribute() 
      throws ParsingException, IOException {
        
        String data = "<a><b>data1</b><c>text</c></a>";
        Builder builder = new Builder(new NodeFactory() {
            
            public Nodes finishMakingElement(Element element) {
                Nodes result = new Nodes();
                result.append(new Attribute(element.getLocalName(), element.getValue()));
                return result;

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    public void testCantBypassMultipleParentChecks() 
      throws ParsingException, IOException {
        
        String doc = "<root><a/><a/></root>";   
        Builder builder = new Builder(new NodeFactory() {
            
            private Element a = new Element("a");
            
            public Element startMakingElement(String name, String namespace) {
                if (name.equals("a")) return a;

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    public void testCantBypassMultipleParentChecksFromFinishMakingElement() 
      throws ParsingException, IOException {
        
        String doc = "<root><a/><a/></root>";   
        Builder builder = new Builder(new NodeFactory() {
            
            private Element a = new Element("a");
            
            public Nodes finishMakingElement(Element element) {
                if (element.getLocalName().equals("a")) return new Nodes(a);

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    public void testFinishMakingElementIsCalledForRootElement() 
      throws ParsingException, IOException {
        
        String doc = "<root/>";   
        Builder builder = new Builder(new NodeFactory() {
            
            public Nodes finishMakingElement(Element element) {
                throw new XMLException("Method was called");   
            }

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nu.xom.converters.DOMConverter

nu.xom.tests.BuilderTest

nu.xom.tests.NodeFactoryTest

nu.xom.tests.XSLTransformTest

nu.xom.xinclude.XIncluder

nu.xom.xslt.XSLTransform

nux.xom.binary.BinaryXMLCodec

nux.xom.io.StaxBuilder

nux.xom.io.StaxParser

nux.xom.pool.XOMUtil

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