com.ak.json.nodetree

Class AbstractJNode

java.lang.Object

com.ak.json.nodetree.AbstractJNode

All Implemented Interfaces:

JInstrumentalNode, JNode, java.lang.Cloneable, java.lang.Iterable<JNode>

Direct Known Subclasses:

JArrayNode, JObjectNode, JValueNode

public abstract class AbstractJNode
extends java.lang.Object
implements JNode, JInstrumentalNode, java.lang.Cloneable

Class AbstractJNode represents common methods set for different types of JNode.

Author:

krasnop@bellsouth.net (Alexei Krasnopolski)

Field Summary

Fields

Modifier and Type	Field and Description
protected JInstrumentalNode	parent Parent node in node tree.
protected JNodeType	type Type of the node.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractJNode() Constructor.
protected	AbstractJNode(JNode fParent) Constructor.

Method Summary

Modifier and Type	Method and Description
abstract JNode	clone() Return copy of this object, detached from node tree.
boolean	equals(java.lang.Object obj)
java.util.Set<java.lang.String>	fieldNames() Returns set of field names.
java.util.List<JNode>	getChildren() Returns set of all children of composite (Object or Array) node.
JNode	getDocRoot() Returns root node of the tree.
java.lang.String	getKey() Return key of JNode (JObjectNode or JArrayNode).
JNode	getParent() Return parent node of this node in node tree.
java.lang.String[]	getPath() Return path of this node.
JNodeType	getType() Returns a type of the node.
<V> V	getValue() Return value of JValueNode.
<T> T	getValue(java.lang.Class<T> pType) Return value of JValueNode.
int	hashCode()
java.util.Iterator<JNode>	iterator() Returns iterator over elements of composite node.
JNode	setKey(java.lang.String pKey) Set key for JNode.
<V> void	setValue(V v) Set value of V type for this node.

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.ak.json.JNode

addNode, addNode, getNode, removeNode, removeNode, toJson, toString

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

parent

protected JInstrumentalNode parent

Parent node in node tree.

type

protected JNodeType type

Type of the node.

Constructor Detail

AbstractJNode

protected AbstractJNode()

Constructor.

AbstractJNode

protected AbstractJNode(JNode fParent)

Constructor.

Parameters:

fParent - reference to parent node.

Method Detail

getType

public JNodeType getType()

Description copied from interface: JNode

Returns a type of the node.

Specified by:

getType in interface JNode

Returns:

type of the node.

setValue

public <V> void setValue(V v)

Description copied from interface: JNode

Set value of V type for this node.

Specified by:

setValue in interface JNode

Type Parameters:

V - type of value

Parameters:

v - to set for the node.

getValue

public <V> V getValue()

Description copied from interface: JNode

Return value of JValueNode.

Specified by:

getValue in interface JNode

Type Parameters:

V - type of value

Returns:

value of V type.

getValue

public <T> T getValue(java.lang.Class<T> pType)

Description copied from interface: JNode

Return value of JValueNode.

Specified by:

getValue in interface JNode

Type Parameters:

T - type of returned value: Integer, Boolean, Float, Double or String.

Parameters:

pType - class that represents returned value.

Returns:

T

getParent

public JNode getParent()

Description copied from interface: JNode

Return parent node of this node in node tree.

Specified by:

getParent in interface JNode

Returns:

JNode

getDocRoot

public JNode getDocRoot()

Description copied from interface: JInstrumentalNode

Returns root node of the tree.

Specified by:

getDocRoot in interface JInstrumentalNode

Returns:

JNode

getPath

public java.lang.String[] getPath()

Description copied from interface: JInstrumentalNode

Return path of this node.

Specified by:

getPath in interface JInstrumentalNode

Returns:

String []

iterator

public java.util.Iterator<JNode> iterator()

Description copied from interface: JNode

Returns iterator over elements of composite node.

Specified by:

iterator in interface JNode

Specified by:

iterator in interface java.lang.Iterable<JNode>

Returns:

Iterator<JNode> iterator

See Also:

Iterable

getChildren

public java.util.List<JNode> getChildren()

Description copied from interface: JNode

Returns set of all children of composite (Object or Array) node.

Specified by:

getChildren in interface JNode

Returns:

List<JNode>

fieldNames

public java.util.Set<java.lang.String> fieldNames()

Description copied from interface: JInstrumentalNode

Returns set of field names.

Specified by:

fieldNames in interface JInstrumentalNode

Returns:

Set<String>

clone

public abstract JNode clone()

Description copied from interface: JNode

Return copy of this object, detached from node tree.

Specified by:

clone in interface JNode

Overrides:

clone in class java.lang.Object

Returns:

JNode

getKey

public java.lang.String getKey()

Description copied from interface: JInstrumentalNode

Return key of JNode (JObjectNode or JArrayNode).

Specified by:

getKey in interface JInstrumentalNode

Returns:

String

setKey

public JNode setKey(java.lang.String pKey)

Description copied from interface: JInstrumentalNode

Set key for JNode.

Specified by:

setKey in interface JInstrumentalNode

Parameters:

pKey - the key to set

Returns:

JNode

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object