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

Package org.apache.commons.configuration.tree

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

org.apache.commons.configuration.tree.ImmutableNode

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 1588831 2014-04-20 19:32:08Z oheger $ @since 2.0

         *
         * @return the transformed root node
         */
        public ImmutableNode getTransformedRoot()
        {
            ImmutableNode configRoot = getRootNodeOfConfiguration();
            return (atPath == null) ? configRoot : prependAtPath(configRoot);
        }

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        private ImmutableNode getRootNodeOfConfiguration()
        {
            getConfiguration().lock(LockMode.READ);
            try
            {
                ImmutableNode root =
                        ConfigurationUtils
                                .convertToHierarchical(getConfiguration(),
                                        conversionExpressionEngine).getNodeModel()
                                .getInMemoryRepresentation();
                rootNode = root;

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        if (nodes.size() != 1)
        {
            return Collections.emptyList();
        }


        ImmutableNode parent = nodes.get(0);
        List<HierarchicalConfiguration<ImmutableNode>> subs =
                new ArrayList<HierarchicalConfiguration<ImmutableNode>>(parent
                        .getChildren().size());
        for (ImmutableNode node : parent.getChildren())
        {
            subs.add(createIndependentSubConfigurationForNode(node));
        }


        return subs;

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     * @return the {@code NodeModel} for the new configuration
     */
    private static NodeModel<ImmutableNode> createNodeModel(
            HierarchicalConfiguration<ImmutableNode> c)
    {
        ImmutableNode root = (c != null) ? obtainRootNode(c) : null;
        return new InMemoryNodeModel(root);
    }

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                ReferenceNodeHandler refHandler)
        {
            Collection<ImmutableNode> subNodes =
                    new LinkedList<ImmutableNode>(refHandler.getChildren(node));
            Iterator<ImmutableNode> children = subNodes.iterator();
            ImmutableNode sibling1;
            ImmutableNode nd = null;


            while (children.hasNext())
            {
                // find the next new node
                do
                {
                    sibling1 = nd;
                    nd = children.next();
                } while (refHandler.getReference(nd) != null
                        && children.hasNext());


                if (refHandler.getReference(nd) == null)
                {
                    // find all following new nodes
                    List<ImmutableNode> newNodes =
                            new LinkedList<ImmutableNode>();
                    newNodes.add(nd);
                    while (children.hasNext())
                    {
                        nd = children.next();
                        if (refHandler.getReference(nd) == null)
                        {
                            newNodes.add(nd);
                        }
                        else
                        {
                            break;
                        }
                    }


                    // Insert all new nodes
                    ImmutableNode sibling2 =
                            (refHandler.getReference(nd) == null) ? null : nd;
                    for (ImmutableNode insertNode : newNodes)
                    {
                        if (refHandler.getReference(insertNode) == null)
                        {

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        public void visitAfterChildren(ImmutableNode node,
                NodeHandler<ImmutableNode> handler)
        {
            if (!isLeafNode(node, handler))
            {
                ImmutableNode newNode = pop().create();
                storeInterpolatedNode(newNode);
            }
        }

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            Object value = interpolate(node.getValue());
            Map<String, Object> interpolatedAttributes =
                    new HashMap<String, Object>();
            boolean attributeChanged =
                    interpolateAttributes(node, handler, interpolatedAttributes);
            ImmutableNode newNode =
                    (valueChanged(value, handler.getValue(node)) || attributeChanged) ? new ImmutableNode.Builder()
                            .name(handler.nodeName(node)).value(value)
                            .addAttributes(interpolatedAttributes).create()
                            : node;
            storeInterpolatedNode(newNode);

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Related Classes of org.apache.commons.configuration.tree.ImmutableNode

org.apache.commons.configuration.BaseHierarchicalConfiguration

org.apache.commons.configuration.BaseHierarchicalConfiguration$BuilderVisitor

org.apache.commons.configuration.BaseHierarchicalConfiguration$InterpolatedVisitor

org.apache.commons.configuration.CombinedConfiguration

org.apache.commons.configuration.CombinedConfiguration$ConfigData

org.apache.commons.configuration.INIConfiguration

org.apache.commons.configuration.plist.PropertyListConfiguration

org.apache.commons.configuration.plist.PropertyListParser

org.apache.commons.configuration.plist.XMLPropertyListConfiguration

org.apache.commons.configuration.XMLConfiguration

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