Package com.apicatalog.tree.io

Class NativeAdapter

java.lang.Object
com.apicatalog.tree.io.NativeAdapter
All Implemented Interfaces:
NodeAdapter
public class NativeAdapter extends Object implements NodeAdapter

  • Field Details

  • Constructor Details

    • NativeAdapter

      public NativeAdapter()

  • Method Details

    • instance

      public static final NativeAdapter instance()

    • isNode

      public boolean isNode(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the given object can be processed by this adapter.

      Returns true if the adapter is capable of handling the node type; false otherwise.

      Specified by:
      isNode in interface NodeAdapter
      Parameters:
      node - the object to check
      Returns:
      true if the node can be adapted by this adapter, false otherwise

    • nodeTypes

      public Set<NodeType> nodeTypes()
      Description copied from interface: NodeAdapter
      Returns the set of node types supported by this adapter.
      Specified by:
      nodeTypes in interface NodeAdapter
      Returns:
      a set of supported node types

    • type

      public NodeType type(Object node)
      Description copied from interface: NodeAdapter
      Returns the type of the given node.
      Specified by:
      type in interface NodeAdapter
      Parameters:
      node - the node to inspect
      Returns:
      the NodeType of the node

    • keyTypes

      public Set<NodeType> keyTypes()
      Description copied from interface: NodeAdapter
      Returns the set of node types that are supported as keys in map nodes for this adapter.
      Specified by:
      keyTypes in interface NodeAdapter
      Returns:
      a set of supported key node types

    • keys

      public Collection<? extends Object> keys(Object node)
      Description copied from interface: NodeAdapter
      Returns the collection of property key nodes for a map node.
      Specified by:
      keys in interface NodeAdapter
      Parameters:
      node - the map node
      Returns:
      collection of property key nodes

    • property

      public Object property(Object property, Object node)
      Description copied from interface: NodeAdapter
      Returns the property value associated with the specified key node in a map node.
      Specified by:
      property in interface NodeAdapter
      Parameters:
      property - the property key node
      node - the map node containing the property
      Returns:
      the property value node corresponding to the property key

    • entries

      public Iterable<Map.Entry<?,?>> entries(Object node)
      Description copied from interface: NodeAdapter
      Returns all key-value pairs of the given map node as an Iterable.
      Specified by:
      entries in interface NodeAdapter
      Parameters:
      node - the map node
      Returns:
      iterable of key-value entries

    • entryStream

      public Stream<Map.Entry<?,?>> entryStream(Object node)
      Description copied from interface: NodeAdapter
      Returns all key-value pairs of the given map node as a Stream.
      Specified by:
      entryStream in interface NodeAdapter
      Parameters:
      node - the map node
      Returns:
      stream of key-value entries

    • elements

      public Iterable<? extends Object> elements(Object node)
      Description copied from interface: NodeAdapter
      Returns the child nodes of a collection node as an Iterable.
      Specified by:
      elements in interface NodeAdapter
      Parameters:
      node - the collection node
      Returns:
      iterable of child nodes

    • elementStream

      public Stream<? extends Object> elementStream(Object node)
      Description copied from interface: NodeAdapter
      Returns the child nodes of a collection node as a Stream.
      Specified by:
      elementStream in interface NodeAdapter
      Parameters:
      node - the collection node
      Returns:
      stream of child nodes

    • stringValue

      public String stringValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the string value of the node.
      Specified by:
      stringValue in interface NodeAdapter
      Parameters:
      node - the string node
      Returns:
      string representation

    • intValue

      public int intValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the integer value of a number node.
      Specified by:
      intValue in interface NodeAdapter
      Parameters:
      node - the number node
      Returns:
      integer value

    • longValue

      public long longValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the long value of a number node.
      Specified by:
      longValue in interface NodeAdapter
      Parameters:
      node - the number node
      Returns:
      long value

    • bigIntegerValue

      public BigInteger bigIntegerValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the BigInteger value of a number node.
      Specified by:
      bigIntegerValue in interface NodeAdapter
      Parameters:
      node - the number node
      Returns:
      BigInteger value

    • doubleValue

      public double doubleValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the double value of a number node.
      Specified by:
      doubleValue in interface NodeAdapter
      Parameters:
      node - the number node
      Returns:
      double value

    • decimalValue

      public BigDecimal decimalValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the BigDecimal value of a number node.
      Specified by:
      decimalValue in interface NodeAdapter
      Parameters:
      node - the number node
      Returns:
      BigDecimal value

    • binaryValue

      public byte[] binaryValue(Object node)
      Description copied from interface: NodeAdapter
      Returns the binary value of the node as a byte array.
      Specified by:
      binaryValue in interface NodeAdapter
      Parameters:
      node - the binary node
      Returns:
      byte array representation

    • asIterable

      public Iterable<? extends Object> asIterable(Object node)
      Description copied from interface: NodeAdapter
      Returns the node as an iterable.

      If the node is null, returns an empty iterable. If it is a single element, wraps it as a singleton iterable. Useful for iterating without type checks.

      Specified by:
      asIterable in interface NodeAdapter
      Parameters:
      node - the node to convert
      Returns:
      iterable of elements

    • asStream

      public Stream<? extends Object> asStream(Object node)
      Description copied from interface: NodeAdapter
      Returns the node as a stream.
      Specified by:
      asStream in interface NodeAdapter
      Parameters:
      node - the node to convert
      Returns:
      stream of elements

    • isNull

      public boolean isNull(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node represents a null value.
      Specified by:
      isNull in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is null, false otherwise

    • isBoolean

      public boolean isBoolean(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node represents a boolean value.
      Specified by:
      isBoolean in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is a boolean, false otherwise

    • isMap

      public boolean isMap(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node represents a map (object) structure.
      Specified by:
      isMap in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is a map, false otherwise

    • isCollection

      public boolean isCollection(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node represents a collection.
      Specified by:
      isCollection in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is a collection, false otherwise

    • isList

      public boolean isList(Object node)
      Description copied from interface: NodeAdapter
      Preserves insertion order and can contain duplicates.
      Specified by:
      isList in interface NodeAdapter
      Returns:

    • isSet

      public boolean isSet(Object node)
      Description copied from interface: NodeAdapter
      Contains only unique elements. Is unordered.
      Specified by:
      isSet in interface NodeAdapter
      Returns:

    • isString

      public boolean isString(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node represents a string value.
      Specified by:
      isString in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is a string, false otherwise

    • isNumber

      public boolean isNumber(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node represents a numeric value.
      Specified by:
      isNumber in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is numeric, false otherwise

    • isIntegral

      public boolean isIntegral(Object node)
      Description copied from interface: NodeAdapter
      Checks whether a number node represents an integral value.

      Returns false for floating-point or BigDecimal nodes.

      Specified by:
      isIntegral in interface NodeAdapter
      Parameters:
      node - the number node
      Returns:
      true if the node is integral, false otherwise

    • isBinary

      public boolean isBinary(Object node)
      Description copied from interface: NodeAdapter
      Checks whether the node contains binary data.
      Specified by:
      isBinary in interface NodeAdapter
      Parameters:
      node - the node to check
      Returns:
      true if the node is binary, false otherwise

    • isEmpty

      public boolean isEmpty(Object node)
      Description copied from interface: NodeAdapter
      Checks whether a map node has no entries or a collection node has no items.

      This method is intended for nodes of type NodeType.MAP or NodeType.COLLECTION.

      Specified by:
      isEmpty in interface NodeAdapter
      Parameters:
      node - the node to inspect
      Returns:
      true if the map has no entries or the collection has no items, false otherwise

    • size

      public int size(Object node)
      Description copied from interface: NodeAdapter
      Returns the number of entries in a map node or items in a collection node.

      Intended for nodes of type NodeType.MAP or NodeType.COLLECTION.

      Specified by:
      size in interface NodeAdapter
      Parameters:
      node - the node to inspect
      Returns:
      number of entries (for map) or items (for collection)

    • asString

      public String asString(Object node)
      Description copied from interface: NodeAdapter
      Returns the string representation of the node, converting other types as needed.
      Specified by:
      asString in interface NodeAdapter
      Parameters:
      node - the node to convert
      Returns:
      string representation

    • asDecimal

      public BigDecimal asDecimal(Object node)
      Description copied from interface: NodeAdapter
      Converts the given node to a BigDecimal, if possible.
      Specified by:
      asDecimal in interface NodeAdapter
      Parameters:
      node - the node to convert
      Returns:
      BigDecimal representation of the node

    • adapt

      public static final Object adapt(Object value, NodeAdapter adapter)