Java Node.getNodeId方法代碼示例

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
/**
 * Represent one JavaBean property.
 * 
 * @param javaBean
 *            - the instance to be represented
 * @param property
 *            - the property of the instance
 * @param propertyValue
 *            - value to be represented
 * @param customTag
 *            - user defined Tag
 * @return NodeTuple to be used in a MappingNode. Return null to skip the
 *         property
 */
protected NodeTuple representJavaBeanProperty(Object javaBean, Property property,
        Object propertyValue, Tag customTag) {
    ScalarNode nodeKey = (ScalarNode) representData(property.getName());
    // the first occurrence of the node must keep the tag
    boolean hasAlias = this.representedObjects.containsKey(propertyValue);

    Node nodeValue = representData(propertyValue);

    if (propertyValue != null && !hasAlias) {
        NodeId nodeId = nodeValue.getNodeId();
        if (customTag == null) {
            if (nodeId == NodeId.scalar) {
                if (propertyValue instanceof Enum<?>) {
                    nodeValue.setTag(Tag.STR);
                }
            } else {
                if (nodeId == NodeId.mapping) {
                    if (property.getType() == propertyValue.getClass()) {
                        if (!(propertyValue instanceof Map<?, ?>)) {
                            if (!nodeValue.getTag().equals(Tag.SET)) {
                                nodeValue.setTag(Tag.MAP);
                            }
                        }
                    }
                }
                checkGlobalTag(property, nodeValue, propertyValue);
            }
        }
    }

    return new NodeTuple(nodeKey, nodeValue);
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
public Object construct(Node node) {
    // Note: we do not check for duplicate keys, because it's too
    // CPU-expensive.
    Map<Object, Object> omap = new LinkedHashMap<Object, Object>();
    if (!(node instanceof SequenceNode)) {
        throw new ConstructorException("while constructing an ordered map",
                node.getStartMark(), "expected a sequence, but found " + node.getNodeId(),
                node.getStartMark());
    }
    SequenceNode snode = (SequenceNode) node;
    for (Node subnode : snode.getValue()) {
        if (!(subnode instanceof MappingNode)) {
            throw new ConstructorException("while constructing an ordered map",
                    node.getStartMark(), "expected a mapping of length 1, but found "
                            + subnode.getNodeId(), subnode.getStartMark());
        }
        MappingNode mnode = (MappingNode) subnode;
        if (mnode.getValue().size() != 1) {
            throw new ConstructorException("while constructing an ordered map",
                    node.getStartMark(), "expected a single mapping item, but found "
                            + mnode.getValue().size() + " items", mnode.getStartMark());
        }
        Node keyNode = mnode.getValue().get(0).getKeyNode();
        Node valueNode = mnode.getValue().get(0).getValueNode();
        Object key = constructObject(keyNode);
        Object value = constructObject(valueNode);
        omap.put(key, value);
    }
    return omap;
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
public Object construct(Node node) {
    // Note: we do not check for duplicate keys, because it's too
    // CPU-expensive.
    Map<Object, Object> omap = new LinkedHashMap<Object, Object>();
    if (!(node instanceof SequenceNode)) {
        throw new ConstructorException("while constructing an ordered map",
                node.getStartMark(), "expected a sequence, but found " + node.getNodeId(),
                node.getStartMark());
    }
    SequenceNode snode = (SequenceNode) node;
    for (Node subnode : snode.getValue()) {
        if (!(subnode instanceof MappingNode)) {
            throw new ConstructorException("while constructing an ordered map",
                    node.getStartMark(),
                    "expected a mapping of length 1, but found " + subnode.getNodeId(),
                    subnode.getStartMark());
        }
        MappingNode mnode = (MappingNode) subnode;
        if (mnode.getValue().size() != 1) {
            throw new ConstructorException("while constructing an ordered map",
                    node.getStartMark(), "expected a single mapping item, but found "
                            + mnode.getValue().size() + " items",
                    mnode.getStartMark());
        }
        Node keyNode = mnode.getValue().get(0).getKeyNode();
        Node valueNode = mnode.getValue().get(0).getValueNode();
        Object key = constructObject(keyNode);
        Object value = constructObject(valueNode);
        omap.put(key, value);
    }
    return omap;
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
private void serializeNode(Node node, Node parent) throws IOException {
    if (node.getNodeId() == NodeId.anchor) {
        node = ((AnchorNode) node).getRealNode();
    }
    String tAlias = this.anchors.get(node);
    if (this.serializedNodes.contains(node)) {
        this.emitter.emit(new AliasEvent(tAlias, null, null));
    } else {
        this.serializedNodes.add(node);
        switch (node.getNodeId()) {
        case scalar:
            ScalarNode scalarNode = (ScalarNode) node;
            Tag detectedTag = this.resolver.resolve(NodeId.scalar, scalarNode.getValue(), true);
            Tag defaultTag = this.resolver.resolve(NodeId.scalar, scalarNode.getValue(), false);
            ImplicitTuple tuple = new ImplicitTuple(node.getTag().equals(detectedTag), node
                    .getTag().equals(defaultTag));
            ScalarEvent event = new ScalarEvent(tAlias, node.getTag().getValue(), tuple,
                    scalarNode.getValue(), null, null, scalarNode.getStyle());
            this.emitter.emit(event);
            break;
        case sequence:
            SequenceNode seqNode = (SequenceNode) node;
            boolean implicitS = node.getTag().equals(this.resolver.resolve(NodeId.sequence,
                    null, true));
            this.emitter.emit(new SequenceStartEvent(tAlias, node.getTag().getValue(),
                    implicitS, null, null, seqNode.getFlowStyle()));
            List<Node> list = seqNode.getValue();
            for (Node item : list) {
                serializeNode(item, node);
            }
            this.emitter.emit(new SequenceEndEvent(null, null));
            break;
        default:// instance of MappingNode
            Tag implicitTag = this.resolver.resolve(NodeId.mapping, null, true);
            boolean implicitM = node.getTag().equals(implicitTag);
            this.emitter.emit(new MappingStartEvent(tAlias, node.getTag().getValue(),
                    implicitM, null, null, ((CollectionNode) node).getFlowStyle()));
            MappingNode mnode = (MappingNode) node;
            List<NodeTuple> map = mnode.getValue();
            for (NodeTuple row : map) {
                Node key = row.getKeyNode();
                Node value = row.getValueNode();
                serializeNode(key, mnode);
                serializeNode(value, mnode);
            }
            this.emitter.emit(new MappingEndEvent(null, null));
        }
    }
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
/**
 * Does merge for supplied mapping node.
 * 
 * @param node
 *            where to merge
 * @param isPreffered
 *            true if keys of node should take precedence over others...
 * @param key2index
 *            maps already merged keys to index from values
 * @param values
 *            collects merged NodeTuple
 * @return list of the merged NodeTuple (to be set as value for the
 *         MappingNode)
 */
private List<NodeTuple> mergeNode(MappingNode node, boolean isPreffered,
        Map<Object, Integer> key2index, List<NodeTuple> values) {
    List<NodeTuple> nodeValue = node.getValue();
    // reversed for http://code.google.com/p/snakeyaml/issues/detail?id=139
    Collections.reverse(nodeValue);
    for (Iterator<NodeTuple> iter = nodeValue.iterator(); iter.hasNext();) {
        final NodeTuple nodeTuple = iter.next();
        final Node keyNode = nodeTuple.getKeyNode();
        final Node valueNode = nodeTuple.getValueNode();
        if (keyNode.getTag().equals(Tag.MERGE)) {
            iter.remove();
            switch (valueNode.getNodeId()) {
            case mapping:
                MappingNode mn = (MappingNode) valueNode;
                mergeNode(mn, false, key2index, values);
                break;
            case sequence:
                SequenceNode sn = (SequenceNode) valueNode;
                List<Node> vals = sn.getValue();
                for (Node subnode : vals) {
                    if (!(subnode instanceof MappingNode)) {
                        throw new ConstructorException("while constructing a mapping",
                                node.getStartMark(),
                                "expected a mapping for merging, but found "
                                        + subnode.getNodeId(), subnode.getStartMark());
                    }
                    MappingNode mnode = (MappingNode) subnode;
                    mergeNode(mnode, false, key2index, values);
                }
                break;
            default:
                throw new ConstructorException("while constructing a mapping",
                        node.getStartMark(),
                        "expected a mapping or list of mappings for merging, but found "
                                + valueNode.getNodeId(), valueNode.getStartMark());
            }
        } else {
            // we need to construct keys to avoid duplications
            Object key = constructObject(keyNode);
            if (!key2index.containsKey(key)) { // 1st time merging key
                values.add(nodeTuple);
                // keep track where tuple for the key is
                key2index.put(key, values.size() - 1);
            } else if (isPreffered) { // there is value for the key, but we
                                      // need to override it
                // change value for the key using saved position
                values.set(key2index.get(key), nodeTuple);
            }
        }
    }
    return values;
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
/**
 * Does merge for supplied mapping node.
 *
 * @param node
 *            where to merge
 * @param isPreffered
 *            true if keys of node should take precedence over others...
 * @param key2index
 *            maps already merged keys to index from values
 * @param values
 *            collects merged NodeTuple
 * @return list of the merged NodeTuple (to be set as value for the
 *         MappingNode)
 */
private List<NodeTuple> mergeNode(MappingNode node, boolean isPreffered,
        Map<Object, Integer> key2index, List<NodeTuple> values) {
    Iterator<NodeTuple> iter = node.getValue().iterator();
    while (iter.hasNext()) {
        final NodeTuple nodeTuple = iter.next();
        final Node keyNode = nodeTuple.getKeyNode();
        final Node valueNode = nodeTuple.getValueNode();
        if (keyNode.getTag().equals(Tag.MERGE)) {
            iter.remove();
            switch (valueNode.getNodeId()) {
            case mapping:
                MappingNode mn = (MappingNode) valueNode;
                mergeNode(mn, false, key2index, values);
                break;
            case sequence:
                SequenceNode sn = (SequenceNode) valueNode;
                List<Node> vals = sn.getValue();
                for (Node subnode : vals) {
                    if (!(subnode instanceof MappingNode)) {
                        throw new ConstructorException("while constructing a mapping",
                                node.getStartMark(),
                                "expected a mapping for merging, but found "
                                        + subnode.getNodeId(),
                                subnode.getStartMark());
                    }
                    MappingNode mnode = (MappingNode) subnode;
                    mergeNode(mnode, false, key2index, values);
                }
                break;
            default:
                throw new ConstructorException("while constructing a mapping",
                        node.getStartMark(),
                        "expected a mapping or list of mappings for merging, but found "
                                + valueNode.getNodeId(),
                        valueNode.getStartMark());
            }
        } else {
            // we need to construct keys to avoid duplications
            Object key = constructObject(keyNode);
            if (!key2index.containsKey(key)) { // 1st time merging key
                values.add(nodeTuple);
                // keep track where tuple for the key is
                key2index.put(key, values.size() - 1);
            } else if (isPreffered) { // there is value for the key, but we
                                      // need to override it
                // change value for the key using saved position
                values.set(key2index.get(key), nodeTuple);
            }
        }
    }
    return values;
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
private void serializeNode(Node node, @Nullable Node parent, LinkedList<String> commentPath, boolean mappingScalar) throws IOException
{
    if (node.getNodeId() == NodeId.anchor)
    {
        node = ((AnchorNode) node).getRealNode();
    }
    String tAlias = this.anchors.get(node);
    if (this.serializedNodes.contains(node))
    {
        this.emitter.emit(new AliasEvent(tAlias, null, null));
    }
    else
    {
        this.serializedNodes.add(node);
        switch (node.getNodeId())
        {
            case scalar:
                ScalarNode scalarNode = (ScalarNode) node;
                Tag detectedTag = this.resolver.resolve(NodeId.scalar, scalarNode.getValue(), true);
                Tag defaultTag = this.resolver.resolve(NodeId.scalar, scalarNode.getValue(), false);
                String[] pathNodes = commentPath.toArray(new String[commentPath.size()]);
                String comment;
                if (this.checkCommentsSet(pathNodes))
                {
                    comment = this.comments.getComment(pathNodes);
                }
                else
                {
                    comment = null;
                }
                ImplicitTuple tuple = new ImplicitTupleExtension(node.getTag().equals(detectedTag), node.getTag().equals(defaultTag), comment);
                ScalarEvent event = new ScalarEvent(tAlias, node.getTag().getValue(), tuple, scalarNode.getValue(), null, null, scalarNode.getStyle());
                this.emitter.emit(event);
                break;
            case sequence:
                SequenceNode seqNode = (SequenceNode) node;
                boolean implicitS = node.getTag().equals(this.resolver.resolve(NodeId.sequence, null, true));
                this.emitter.emit(new SequenceStartEvent(tAlias, node.getTag().getValue(), implicitS, null, null, seqNode.getFlowStyle()));
                List<Node> list = seqNode.getValue();
                for (Node item : list)
                {
                    this.serializeNode(item, node, commentPath, false);
                }
                this.emitter.emit(new SequenceEndEvent(null, null));
                break;
            default:// instance of MappingNode
                Tag implicitTag = this.resolver.resolve(NodeId.mapping, null, true);
                boolean implicitM = node.getTag().equals(implicitTag);
                this.emitter.emit(new MappingStartEvent(tAlias, node.getTag().getValue(), implicitM, null, null, ((CollectionNode) node).getFlowStyle()));
                MappingNode mnode = (MappingNode) node;
                List<NodeTuple> map = mnode.getValue();
                for (NodeTuple row : map)
                {
                    Node key = row.getKeyNode();
                    Node value = row.getValueNode();
                    if (key instanceof ScalarNode)
                    {
                        commentPath.add(((ScalarNode) key).getValue());
                    }
                    this.serializeNode(key, mnode, commentPath, true);
                    this.serializeNode(value, mnode, commentPath, false);
                    if (key instanceof ScalarNode)
                    {
                        commentPath.removeLast();
                    }
                }
                this.emitter.emit(new MappingEndEvent(null, null));
        }
    }
}
 

import org.yaml.snakeyaml.nodes.Node; //導入方法依賴的package包/類
/**
 * Represent one JavaBean property.
 *
 * @param javaBean
 *         - the instance to be represented
 * @param property
 *         - the property of the instance
 * @param propertyValue
 *         - value to be represented
 * @param customTag
 *         - user defined Tag
 *
 * @return NodeTuple to be used in a MappingNode. Return null to skip the property
 */
@Nullable
protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, @Nullable Object propertyValue, @Nullable Tag customTag)
{
    ScalarNode nodeKey = (ScalarNode) this.representData(property.getName());
    // the first occurrence of the node must keep the tag
    boolean hasAlias = this.representedObjects.containsKey(propertyValue);

    Node nodeValue = this.representData(propertyValue);

    if ((propertyValue != null) && ! hasAlias)
    {
        NodeId nodeId = nodeValue.getNodeId();
        if (customTag == null)
        {
            if (nodeId == NodeId.scalar)
            {
                if (propertyValue instanceof Enum<?>)
                {
                    nodeValue.setTag(Tag.STR);
                }
            }
            else
            {
                if (nodeId == NodeId.mapping)
                {
                    if (property.getType() == propertyValue.getClass())
                    {
                        if (! (propertyValue instanceof Map<?, ?>))
                        {
                            if (! nodeValue.getTag().equals(Tag.SET))
                            {
                                nodeValue.setTag(Tag.MAP);
                            }
                        }
                    }
                }
                this.checkGlobalTag(property, nodeValue, propertyValue);
            }
        }
    }

    return new NodeTuple(nodeKey, nodeValue);
}