Examples of nu.xom.Nodes

nu.xom.Nodes

Implements a list of nodes for traversal purposes. Changes to the document from which this list was generated are not reflected in this list, nor are changes to the list reflected in the document. Changes to the individual Node objects in the list and the document are reflected in the other one.

There is no requirement that the list not contain duplicates, or that all the members come from the same document. It is simply a list of nodes.
@author Elliotte Rusty Harold @version 1.1b4

        Element b = new Element("b");
        root.appendChild(b);
        Element c = new Element("c");
        a.appendChild(c);
        
        Nodes result = b.query("preceding::*");
        assertEquals(2, result.size());
        assertEquals(a, result.get(0));
        assertEquals(c, result.get(1));
        
    }

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    public void testAttributeWithUnderscore() {
     
        Element a = new Element("a");
        Attribute foo = new Attribute("_foo", "bar");
        a.addAttribute(foo);
        Nodes results = a.query("//@_foo");
        assertEquals(1, results.size());
        assertEquals(foo, results.get(0));
        
    }

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    }
    
    public void testAllNodesQuery() {
        
        Document doc = new Document(new Element("doc"));
        Nodes subset = doc.query("//. | /");
        assertEquals(2, subset.size());
        
    }

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        Element b = new Element("b");
        b.appendChild(x2);
        b.appendChild(x3);
        a.appendChild(b);
        a.appendChild(x4);
        Nodes result = doc.query("//x");
        assertEquals(4, result.size());
        assertTrue(result.get(0) instanceof Element);
        assertTrue(result.get(1) instanceof Element);
        assertTrue(result.get(2) instanceof Element);
        assertTrue(result.get(3) instanceof Element);
        assertEquals(x1, result.get(0));   
        assertEquals(x2, result.get(1));
        assertEquals(x3, result.get(2));
        assertEquals(x4, result.get(3));
        
    }

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        Element parent = new Element("Test");
        Element child = new Element("child");
        parent.appendChild(child);
        
        Nodes result = parent.query("*");
        assertEquals(1, result.size());
        assertEquals(child, result.get(0));   
        
    }

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        a.appendChild(b);
        b.appendChild(c);
        c.appendChild(d);
        
        Nodes result = a.query("/a/b/*/d");
        assertEquals(1, result.size());
        assertEquals(d, result.get(0));
        
    }

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    public void testSimpleChild() {
     
        Element a = new Element("a");
        Nodes result = a.query("/a");
        assertEquals(1, result.size());
        
    }

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    public void testSimpleWildCard() {
     
        Element a = new Element("a");
        Nodes result = a.query("/*");
        assertEquals(1, result.size());
        
    }

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    public void testLongs() {
        
        Document doc = new Document(new Element("root"));
        
        Nodes result = doc.query("/*[5000000000=5000000000]");
        assertEquals(1, result.size());
        
        result = doc.query("/*[5000000000 < 5000000001]");
        assertEquals(1, result.size());
        result = doc.query("/*[5000000000 > 5000000001]");
        assertEquals(0, result.size());
        result = doc.query("/*[5000000001 >= 5000000001]");
        assertEquals(1, result.size());
        result = doc.query("/*[5000000001 > 5000000001]");
        assertEquals(0, result.size());
        
    }

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        Element root = new Element("root");
        Document doc = new Document(root);
        Element child = new Element("pre:child", "http://www.ietf.org");
        root.appendChild(child);
        
        Nodes result = doc.query("/root/*/namespace::*/parent::*");
        assertEquals(1, result.size());
        assertEquals(child, result.get(0));
        
    }

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