DomToNormalizedNodeParserFactory.java example

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/*
 * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser;

import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.AnyXmlNode;
import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
import org.opendaylight.yangtools.yang.data.api.schema.YangModeledAnyXmlNode;
import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlCodecProvider;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.ToNormalizedNodeParser;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.ToNormalizedNodeParserFactory;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.BaseDispatcherParser;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.ExtensibleParser;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.LeafNodeBaseParser;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.LeafSetEntryNodeBaseParser;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.ListNodeBaseParser;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser.NodeParserDispatcher;
import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.YangModeledAnyXmlSchemaNode;
import org.w3c.dom.Element;

public final class DomToNormalizedNodeParserFactory implements ToNormalizedNodeParserFactory<Element> {

    private final AugmentationNodeDomParser augmentationNodeParser;
    private final ChoiceNodeDomParser choiceNodeParser;
    private final ContainerNodeDomParser containerNodeParser;
    private final LeafNodeDomParser leafNodeParser;
    private final LeafSetEntryNodeDomParser leafSetEntryNodeParser;
    private final LeafSetNodeDomParser leafSetNodeParser;
    private final MapNodeDomParser mapNodeParser;
    private final MapEntryNodeDomParser mapEntryNodeParser;
    private final UnkeyedListEntryNodeDomParser unkeyedListEntryNodeParser;
    private final UnkeyedListNodeDomParser unkeyedListNodeParser;
    private final OrderedListNodeDomParser orderedListNodeParser;
    private final YangModeledAnyXmlDomParser yangModeledAnyXmlNodeParser;
    private final AnyXmlDomParser anyXmlNodeParser;

    private DomToNormalizedNodeParserFactory(final XmlCodecProvider codecProvider, final SchemaContext schema, final boolean strictParsing) {
        leafNodeParser = new LeafNodeDomParser(codecProvider, schema);
        leafSetEntryNodeParser = new LeafSetEntryNodeDomParser(codecProvider, schema);
        leafSetNodeParser = new LeafSetNodeDomParser(leafSetEntryNodeParser);
        anyXmlNodeParser = new AnyXmlDomParser();

        final NodeParserDispatcher<Element> dispatcher = new NodeParserDispatcher.BaseNodeParserDispatcher<Element>(this) {

        };

        yangModeledAnyXmlNodeParser = new YangModeledAnyXmlDomParser(dispatcher);
        containerNodeParser = new ContainerNodeDomParser(dispatcher, strictParsing);
        mapEntryNodeParser = new MapEntryNodeDomParser(dispatcher, strictParsing);
        mapNodeParser = new MapNodeDomParser(mapEntryNodeParser);
        orderedListNodeParser = new OrderedListNodeDomParser(mapEntryNodeParser);
        unkeyedListEntryNodeParser = new UnkeyedListEntryNodeDomParser(dispatcher, strictParsing);
        unkeyedListNodeParser = new UnkeyedListNodeDomParser(unkeyedListEntryNodeParser);
        choiceNodeParser = new ChoiceNodeDomParser(dispatcher);
        augmentationNodeParser = new AugmentationNodeDomParser(dispatcher, strictParsing);
    }

    private DomToNormalizedNodeParserFactory(final XmlCodecProvider codecProvider, final SchemaContext schema,
                                             final BuildingStrategyProvider buildingStratProvider, final boolean strictParsing) {
        leafNodeParser = new LeafNodeDomParser(codecProvider, schema, buildingStratProvider.forLeaf());
        leafSetEntryNodeParser = new LeafSetEntryNodeDomParser(codecProvider, schema, buildingStratProvider.forLeafSetEntry());

        // no buildingStrategy for Augment (no use case for now)
        leafSetNodeParser = new LeafSetNodeDomParser(leafSetEntryNodeParser);
        // no buildingStrategy for anyXml (probably not necessary)
        anyXmlNodeParser = new AnyXmlDomParser();

        final NodeParserDispatcher<Element> dispatcher = new NodeParserDispatcher.BaseNodeParserDispatcher<Element>(this) {

        };

        yangModeledAnyXmlNodeParser = new YangModeledAnyXmlDomParser(dispatcher);
        containerNodeParser = new ContainerNodeDomParser(dispatcher, buildingStratProvider.forContainer(), strictParsing);
        mapEntryNodeParser = new MapEntryNodeDomParser(dispatcher, buildingStratProvider.forMapEntry(), strictParsing);
        mapNodeParser = new MapNodeDomParser(mapEntryNodeParser, buildingStratProvider.forMap());
        orderedListNodeParser = new OrderedListNodeDomParser(mapEntryNodeParser, buildingStratProvider.forOrderedList());
        unkeyedListEntryNodeParser = new UnkeyedListEntryNodeDomParser(buildingStratProvider.forUnkeyedListEntry(),
                dispatcher, strictParsing);
        unkeyedListNodeParser = new UnkeyedListNodeDomParser(buildingStratProvider.forUnkeyedList(), unkeyedListEntryNodeParser);
        choiceNodeParser = new ChoiceNodeDomParser(dispatcher, buildingStratProvider.forChoice());
        // no buildingStrategy for Augment (no use case for now)
        augmentationNodeParser = new AugmentationNodeDomParser(buildingStratProvider.forAugmentation(), dispatcher, strictParsing);
    }

    public static DomToNormalizedNodeParserFactory getInstance(final XmlCodecProvider codecProvider, final SchemaContext schema, final boolean strictParsing) {
        return new DomToNormalizedNodeParserFactory(codecProvider, schema, strictParsing);
    }

    public static DomToNormalizedNodeParserFactory getInstance(final XmlCodecProvider codecProvider, final SchemaContext schema) {
        return new DomToNormalizedNodeParserFactory(codecProvider, schema, true);
    }

    public static DomToNormalizedNodeParserFactory getInstance(final XmlCodecProvider codecProvider, final SchemaContext schema,
                                                               final BuildingStrategyProvider buildingStratProvider) {
        return new DomToNormalizedNodeParserFactory(codecProvider, schema, buildingStratProvider, true);
    }

    public static DomToNormalizedNodeParserFactory getInstance(final XmlCodecProvider codecProvider, final SchemaContext schema,
                                                               final BuildingStrategyProvider buildingStratProvider,
                                                               final boolean strictParsing) {
        return new DomToNormalizedNodeParserFactory(codecProvider, schema, buildingStratProvider, strictParsing);
    }

    @Override
    public ToNormalizedNodeParser<Element, AugmentationNode, AugmentationSchema> getAugmentationNodeParser() {
        return augmentationNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, ChoiceNode, ChoiceSchemaNode> getChoiceNodeParser() {
        return choiceNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, ContainerNode, ContainerSchemaNode> getContainerNodeParser() {
        return containerNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, LeafNode<?>, LeafSchemaNode> getLeafNodeParser() {
        return leafNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, LeafSetEntryNode<?>, LeafListSchemaNode> getLeafSetEntryNodeParser() {
        return leafSetEntryNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, LeafSetNode<?>, LeafListSchemaNode> getLeafSetNodeParser() {
        return leafSetNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, MapEntryNode, ListSchemaNode> getMapEntryNodeParser() {
        return mapEntryNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, MapNode, ListSchemaNode> getMapNodeParser() {
        return mapNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, UnkeyedListNode, ListSchemaNode> getUnkeyedListNodeParser() {
        return unkeyedListNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, UnkeyedListEntryNode, ListSchemaNode> getUnkeyedListEntryNodeParser() {
        return unkeyedListEntryNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, OrderedMapNode, ListSchemaNode> getOrderedListNodeParser() {
        return orderedListNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, YangModeledAnyXmlNode, YangModeledAnyXmlSchemaNode> getYangModeledAnyXmlNodeParser() {
        return yangModeledAnyXmlNodeParser;
    }

    @Override
    public ToNormalizedNodeParser<Element, AnyXmlNode, AnyXmlSchemaNode> getAnyXmlNodeParser() {
        return anyXmlNodeParser;
    }

    /**
     * Base provider of building strategies used for customizing parsing process
     */
    public static abstract class BuildingStrategyProvider {

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,LeafNode<?>> forLeaf() {
            return new LeafNodeBaseParser.SimpleLeafBuildingStrategy();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeWithValue,LeafSetEntryNode<?>> forLeafSetEntry() {
            return new LeafSetEntryNodeBaseParser.SimpleLeafSetEntryBuildingStrategy();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,ContainerNode> forContainer() {
            return new BaseDispatcherParser.SimpleBuildingStrategy<>();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifierWithPredicates,MapEntryNode> forMapEntry() {
            return new BaseDispatcherParser.SimpleBuildingStrategy<>();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,MapNode> forMap() {
            return new ListNodeBaseParser.SimpleListNodeBuildingStrategy<>();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,OrderedMapNode> forOrderedList() {
            return new ListNodeBaseParser.SimpleListNodeBuildingStrategy<>();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,UnkeyedListEntryNode> forUnkeyedListEntry() {
            return new BaseDispatcherParser.SimpleBuildingStrategy<>();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,UnkeyedListNode> forUnkeyedList() {
            return new ListNodeBaseParser.SimpleListNodeBuildingStrategy<>();
        }

        protected ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.NodeIdentifier,ChoiceNode> forChoice() {
            return new BaseDispatcherParser.SimpleBuildingStrategy<>();
        }

        public ExtensibleParser.BuildingStrategy<YangInstanceIdentifier.AugmentationIdentifier, AugmentationNode> forAugmentation() {
            return new BaseDispatcherParser.SimpleBuildingStrategy<>();
        }
    }

}