Examples of org.apache.commons.configuration.tree.ConfigurationNode

Package org.apache.commons.configuration.tree

Examples of org.apache.commons.configuration.tree.ConfigurationNode

org.apache.commons.configuration.tree.ConfigurationNode

Definition of an interface for the nodes of a hierarchical configuration.

This interface defines a tree like structure for configuration data. A node has a value and can have an arbitrary number of children and attributes.
@since 1.3 @author Oliver Heger @version $Id: ConfigurationNode.java 1152652 2011-07-31 21:49:49Z ebourg $

        ConfigurationNodeIteratorChildren it = new ConfigurationNodeIteratorChildren(
                rootPointer, null, true, childPointer);
        int value = 3;
        for (int index = 1; it.setPosition(index); index++, value--)
        {
            ConfigurationNode node = (ConfigurationNode) 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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                new DefaultConfigurationNode("newNode"));
        ConfigurationNodeIteratorChildren it = new ConfigurationNodeIteratorChildren(
                rootPointer, null, false, childPointer);
        assertEquals("Wrong size of iteration", CHILD_COUNT, iteratorSize(it));
        it.setPosition(1);
        ConfigurationNode node = (ConfigurationNode) it.getNodePointer()
                .getNode();
        assertEquals("Wrong start node", "1", node.getValue());
    }

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

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         *
         * @param node the node
         */
        public void visitAfterChildren(ConfigurationNode node)
        {
            ConfigurationNode copy = (ConfigurationNode) copyStack.pop();
            if (copyStack.isEmpty())
            {
                result = copy;
            }
        }

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         *
         * @param node the node
         */
        public void visitBeforeChildren(ConfigurationNode node)
        {
            ConfigurationNode copy = (ConfigurationNode) node.clone();
            copy.setParentNode(null);


            if (!copyStack.isEmpty())
            {
                if (node.isAttribute())
                {

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    public Map getBeanProperties()
    {
        Map props = new HashMap();
        for (Iterator it = getNode().getAttributes().iterator(); it.hasNext();)
        {
            ConfigurationNode attr = (ConfigurationNode) it.next();
            if (!isReservedNode(attr))
            {
                props.put(attr.getName(), interpolate(attr .getValue()));
            }
        }


        return props;
    }

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    public Map getNestedBeanDeclarations()
    {
        Map nested = new HashMap();
        for (Iterator it = getNode().getChildren().iterator(); it.hasNext();)
        {
            ConfigurationNode child = (ConfigurationNode) it.next();
            if (!isReservedNode(child))
            {
                nested.put(child.getName(), createBeanDeclaration(child));
            }
        }


        return nested;
    }

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        else
        {
            List list = new ArrayList();
            for (Iterator it = nodes.iterator(); it.hasNext();)
            {
                ConfigurationNode node = (ConfigurationNode) it.next();
                if (node.getValue() != null)
                {
                    list.add(node.getValue());
                }
            }


            if (list.size() < 1)
            {

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     * @param obj the value of the new property
     */
    protected void addPropertyDirect(String key, Object obj)
    {
        NodeAddData data = getExpressionEngine().prepareAdd(getRootNode(), key);
        ConfigurationNode node = processNodeAddData(data);
        node.setValue(obj);
    }

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        {
            return;
        }


        fireEvent(EVENT_ADD_NODES, key, nodes, true);
        ConfigurationNode parent;
        List target = fetchNodeList(key);
        if (target.size() == 1)
        {
            // existing unique key
            parent = (ConfigurationNode) target.get(0);
        }
        else
        {
            // otherwise perform an add operation
            parent = processNodeAddData(getExpressionEngine().prepareAdd(
                    getRootNode(), key));
        }


        if (parent.isAttribute())
        {
            throw new IllegalArgumentException(
                    "Cannot add nodes to an attribute node!");
        }


        for (Iterator it = nodes.iterator(); it.hasNext();)
        {
            ConfigurationNode child = (ConfigurationNode) it.next();
            if (child.isAttribute())
            {
                parent.addAttribute(child);
            }
            else
            {

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