Examples of nu.xom.Namespace

nu.xom.Namespace

Represents a namespace in scope. It is used by XOM's XPath implementation for the namespace axis. However, it is not really part of the XOM data model. Namespace objects are only created as needed when evaluating XPath. While a namespace node has a parent element (which may be null), that element does not know about these namespace nodes and cannot remove them. (This is an inconsistency in the XPath data model, and is shared with attributes which also have parents but are not children.)
@author Elliotte Rusty Harold @version 1.1b3


    
    public void testCantBindPrefixToEmptyURI() {
        
        try {
            new Namespace("pre", "", null);
            fail("Bound prefix to no namespace");
        }
        catch (NamespaceConflictException success) {
            assertNotNull(success.getMessage());
        }

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    public void testCantBindXMLNS() {
        
        try {
            new Namespace("xmlns", "", null);
            fail("Bound xmlns prefix to no namespace");
        }
        catch (IllegalNameException success) {
            assertNotNull(success.getMessage());
        }

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    public void testCantBindXMLNSToDOMURI() {
        
        try {
            new Namespace("xmlns", "http://www.w3.org/2000/xmlns/", null);
            fail("Bound xmlns prefix to DOM namespace");
        }
        catch (IllegalNameException success) {
            assertNotNull(success.getMessage());
        }

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    public void testCantBindXMLPrefixToWrongURI() {
        
        try {
            new Namespace("xml", "http://www.w3.org/2000/xmlns/", null);
            fail("Bound xml prefix to DOM namespace");
        }
        catch (NamespaceConflictException success) {
            assertNotNull(success.getMessage());
        }

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    }


    
    public void testCanBindXMLPrefixToCorrectURI() {
        
        Namespace ns = new Namespace("xml", Namespace.XML_NAMESPACE, null);
        assertEquals(Namespace.XML_NAMESPACE, ns.getValue());
        
    }

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    public void testCanBindNonXMLPrefixToXMLURI() {
        
        try {
            new Namespace("pre", Namespace.XML_NAMESPACE, null);
            fail("Bound non-xml prefix to XML namespace");
        }
        catch (NamespaceConflictException success) {
            assertNotNull(success.getMessage());
        }

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    public void testCanonicalizeNamespace() throws IOException {
     
        Element element = new Element("pre:foo", "http://www.example.org");
        Nodes namespaces = element.query("namespace::pre");
        Namespace ns = (Namespace) namespaces.get(0);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            Canonicalizer serializer = new Canonicalizer(out);
            serializer.write(ns);
        }

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    public void testCanonicalizeDefaultNamespace() throws IOException {
     
        Element element = new Element("foo", "http://www.example.org");
        Nodes namespaces = element.query("namespace::*");
        Namespace ns = (Namespace) namespaces.get(0);
        if (ns.getPrefix().equals("xml")) ns = (Namespace) namespaces.get(1);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            Canonicalizer serializer = new Canonicalizer(out);
            serializer.write(ns);
        }

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    public void testCanonicalizeXMLNamespace() throws IOException {
     
        Element element = new Element("foo");
        Nodes namespaces = element.query("namespace::*");
        Namespace ns = (Namespace) namespaces.get(0);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            Canonicalizer serializer = new Canonicalizer(out);
            serializer.write(ns);
        }

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                if (!namespaces.isEmpty()) {
                    Iterator iterator = in.iterator();
                    while (iterator.hasNext()) {
                        Object o = iterator.next();
                        if (o instanceof Namespace) {
                            Namespace n = (Namespace) o;
                            if (element == n.getParent()) {
                                out.append(n);
                                iterator.remove();
                            }
                        }
                    }

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Related Classes of nu.xom.Namespace

nu.xom.benchmarks.NamespaceLister

nu.xom.canonical.Canonicalizer

nu.xom.canonical.Canonicalizer$CanonicalXMLSerializer

nu.xom.tests.CanonicalizerTest

nu.xom.tests.NamespaceNodeTest

nu.xom.tests.XOMTestCaseTest

nu.xom.tests.XPathTest

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