/** * Returns the text content of the first child element that has a given name. * * @param name The child name. * @param def The default value. * @return The text of the first child named {@code name} or {@code def}. */ public String getElementNamedText(String name, String def) { final Element child = getElementNamed(name); if (child != null) { return child.getText(def); } else { return def; } }
@Test public void testGetChildren() { final Element root = new Element(NAME); assertEquals(null, root.getLastChild()); final Element child1 = root.addElement(NAME1); final Element child2 = root.addElement(NAME2); final Element child3 = root.addElement(NAME1); child3.addAttribute(NAME, VALUE); final Comment child4 = root.addComment("Hello"); assertEquals(4, root.getChildrenCount()); assertTrue(root.hasChildren(Element.class)); assertTrue(root.hasChildren(Comment.class)); assertFalse(root.hasChildren(Text.class)); assertEquals(child4, root.getLastChild()); assertEquals(child1, root.getChild(Element.class)); assertEquals(child1, root.getElementNamed(NAME1)); assertEquals(3, root.getChildrenCount(Element.class)); assertEquals(2, root.getChildrenCount(Element.class, Element.named(NAME1))); assertEquals(child2, root.getChild(Element.class, Element.named(NAME2))); assertEquals(child2, root.getChildAt(Element.class, Element.named(NAME2), 0)); assertEquals(null, root.getChildAt(Element.class, Element.named(NAME2), 1)); assertEquals(child3, root.getChildAt(2)); assertEquals(child3, root.getChildAt(Element.class, 2)); assertEquals(child4, root.getChildAt(Comment.class, 0)); assertEquals(3, Iterables.size(root.getElements())); assertEquals(1, Iterables.size(root.getComments())); assertEquals(0, Iterables.size(root.getTexts())); assertEquals(child3, root.getElementNamedWithAttribute(NAME1, NAME, VALUE)); }
@Test public void testSortName() { final Element root = new Element("root"); for (int i = 9; i >= 0; i--) { root.addElement("child-" + i); } assertEquals(root.getElementNamed("child-0"), root.getChildAt(9)); root.sortChildren(ComparatorsUtil.adapt(Element.class, Element.NAME_COMPARATOR)); assertEquals(root.getElementNamed("child-0"), root.getChildAt(0)); }
@Test public void testChildren() { final Element e = new Element(NAME); assertEquals(null, e.getDocument()); assertEquals(e, e.getRootElement()); assertEquals(e, e.getRootChild()); final Element c0 = e.addElement(NAME1); final Element c1 = e.addElement(NAME1); final Text c2 = e.addText("Hello"); final Comment c3 = e.addComment("Hello"); assertEquals(c0, e.getChildAt(0)); assertEquals(c1, e.getChildAt(1)); assertEquals(c0, e.getElementNamed(NAME1)); assertEquals(null, c2.getDocument()); assertEquals(e, c3.getRootElement()); assertEquals(e, c3.getRootChild()); assertEquals(e, c2.getParent()); assertEquals(e, c2.getParent(Element.class)); assertEquals(4, e.getChildrenCount()); assertEquals(4, e.getChildrenCount(Node.class)); assertEquals(2, e.getChildrenCount(Element.class)); assertEquals(1, e.getChildrenCount(Comment.class)); assertEquals(1, e.getChildrenCount(Text.class)); assertEquals(2, e.getChildrenCount(Parent.class)); assertEquals(4, e.getChildrenCount(Child.class)); assertEquals(2, e.getChildrenCount(Leaf.class)); }