Examples of org.apache.commons.configuration2.tree.ImmutableNode

Package org.apache.commons.configuration2.tree

Examples of org.apache.commons.configuration2.tree.ImmutableNode

org.apache.commons.configuration2.tree.InMemoryNodeModel

An immutable default implementation for configuration nodes.

This class is used for an in-memory representation of hierarchical configuration data. It stores typical information like a node name, a value, child nodes, or attributes.

After their creation, instances cannot be manipulated. There are methods for updating properties, but these methods return new {@code ImmutableNode}instances. Instances are created using the nested {@code Builder} class.
@version $Id: ImmutableNode.java 1624601 2014-09-12 18:04:36Z oheger $ @since 2.0

     */
    @Test
    public void testCanonicalKeyWithDuplicates()
    {
        ImmutableNode.Builder parentBuilder = new ImmutableNode.Builder(3);
        ImmutableNode c1 = new ImmutableNode.Builder().name("child").create();
        ImmutableNode c2 = new ImmutableNode.Builder().name("child").create();
        ImmutableNode c3 =
                new ImmutableNode.Builder().name("child_other").create();
        parentBuilder.addChildren(Arrays.asList(c1, c2, c3));
        ImmutableNode parent = parentBuilder.create();
        NodeHandler<ImmutableNode> testHandler =
                new InMemoryNodeModel(parent).getNodeHandler();
        XPathExpressionEngine engine = new XPathExpressionEngine();
        assertEquals("Wrong key 1", "parent/child[1]",
                engine.canonicalKey(c1, "parent", testHandler));

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     */
    @Test
    public void testCanonicalKeyNoParentKey()
    {
        ImmutableNode.Builder parentBuilder = new ImmutableNode.Builder(1);
        ImmutableNode c1 = new ImmutableNode.Builder().name("child").create();
        ImmutableNode parent = parentBuilder.addChild(c1).create();
        NodeHandler<ImmutableNode> testHandler =
                new InMemoryNodeModel(parent).getNodeHandler();
        XPathExpressionEngine engine = new XPathExpressionEngine();
        assertEquals("Wrong key", "child[1]",
                engine.canonicalKey(c1, null, testHandler));

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        List<NodePointer> nodes = iterationElements(it);
        assertEquals("Wrong size of iteration", CHILD_COUNT - 3, nodes.size());
        int index = 4;
        for (NodePointer np : nodes)
        {
            ImmutableNode node = (ImmutableNode) np.getImmediateNode();
            assertEquals("Wrong node value", String.valueOf(index),
                    node.getValue());
            index++;
        }
    }

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                new ConfigurationNodeIteratorChildren<ImmutableNode>(
                        rootPointer, null, true, childPointer);
        int value = 3;
        for (int index = 1; it.setPosition(index); index++, value--)
        {
            ImmutableNode node = (ImmutableNode) it.getNodePointer().getNode();
            assertEquals("Incorrect value at index " + index,
                    String.valueOf(value), node.getValue());
        }
        assertEquals("Iteration ended not at end node", 0, value);
    }

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        ConfigurationNodeIteratorChildren<ImmutableNode> it =
                new ConfigurationNodeIteratorChildren<ImmutableNode>(
                        rootPointer, null, false, childPointer);
        assertEquals("Wrong size of iteration", CHILD_COUNT, iteratorSize(it));
        it.setPosition(1);
        ImmutableNode node = (ImmutableNode) it.getNodePointer().getNode();
        assertEquals("Wrong start node", "1", node.getValue());
    }

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     *
     * @return the node pointer
     */
    private ConfigurationNodePointer<ImmutableNode> createPointerWithNamespace()
    {
        ImmutableNode node =
                new ImmutableNode.Builder(2)
                        .addChild(root)
                        .addChild(
                                NodeStructureHelper.createNode(PREFIX + ':'
                                        + PREFIX_NODE, "test")

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    private void checkValues(NodeIterator iterator, int... expectedIndices)
    {
        List<NodePointer> nodes = iterationElements(iterator);
        for (int i = 0; i < expectedIndices.length; i++)
        {
            ImmutableNode child = (ImmutableNode) nodes.get(i).getImmediateNode();
            assertTrue("Wrong index value for child " + i, child.getValue()
                    .toString().endsWith(String.valueOf(expectedIndices[i])));
        }
    }

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     * Tests whether a correct context is created.
     */
    @Test
    public void testCreateContext()
    {
        ImmutableNode node =
                new ImmutableNode.Builder().name("testRoot").create();
        NodeHandler<ImmutableNode> handler =
                new InMemoryNodeModel(node).getNodeHandler();
        JXPathContext context = factory.createContext(node, handler);

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    @Before
    public void setUp() throws Exception
    {
        ImmutableNode.Builder ndBuilder = new ImmutableNode.Builder();
        ndBuilder.name("parent").addAttribute(ATTR_NAME, ATTR_VALUE);
        ImmutableNode nd = ndBuilder.create();
        parent =
                new ConfigurationNodePointer<ImmutableNode>(nd, Locale.ENGLISH,
                        new InMemoryNodeModel(nd).getNodeHandler());
        pointer =
                new ConfigurationAttributePointer<ImmutableNode>(parent,

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     * @param selector the selector
     * @return the tracked model
     */
    private TrackedNodeModel setUpTrackedModel(NodeSelector selector)
    {
        InMemoryNodeModel parentModel = (InMemoryNodeModel) parent.getModel();
        parentModel.trackNode(selector, parent);
        return new TrackedNodeModel(parent, selector, true);
    }

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