com.ak.json.nodetree

Class JObjectNode

java.lang.Object

com.ak.json.nodetree.AbstractJNode

com.ak.json.nodetree.JObjectNode

All Implemented Interfaces:

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

public class JObjectNode
extends AbstractJNode
implements JNode

Class JObjectNode represents JSON OBJECT element.

Author:

krasnop@bellsouth.net (Alexei Krasnopolski)

Field Summary

Fields inherited from class com.ak.json.nodetree.AbstractJNode

parent, type

Constructor Summary

Constructors

Constructor and Description
JObjectNode() Default constructor for detached node.
JObjectNode(JNode fParent) Constructor for node attached to tree.

Method Summary

Modifier and Type	Method and Description
<K,T extends JNode> void	addNode(K pKey, T jnode) Add element to composite node.
<T extends JNode> void	addNode(T jnode) Add element to composite node (without name).
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.
<T> JNode	getNode(T name) Returns child node of this node by selector.
int	hashCode()
java.util.Iterator<JNode>	iterator() Returns iterator over elements of composite node.
<K> void	removeNode(K selector) Remove child node of this node by selector.
<N extends JNode> void	removeNode(N node) Remove child node of this node.
java.lang.String	toJson() Return this node as a JSON document.
java.lang.String	toString()
java.lang.String	toString(java.lang.String indent, boolean showPath, boolean deep) Return printable (well formatted) text represents this node.

Methods inherited from class com.ak.json.nodetree.AbstractJNode

getDocRoot, getKey, getParent, getPath, getType, getValue, getValue, setKey, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ak.json.JNode

getParent, getType, getValue, getValue, setValue

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

JObjectNode

public JObjectNode()

Default constructor for detached node.

JObjectNode

public JObjectNode(JNode fParent)

Constructor for node attached to tree.

Parameters:

fParent - reference to parent node.

Method Detail

getNode

public <T> JNode getNode(T name)

Description copied from interface: JNode

Returns child node of this node by selector. If type of this node is JNodeType.ARRAY a selector has to be Integer type and represents index of the array member. If type of this node is JNodeType.OBJECT a selector has to be String and represents key of object property.

Specified by:

getNode in interface JNode

Type Parameters:

T - type of the selector: Integer or String.

Parameters:

name - is index or key.

Returns:

JNode

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

Overrides:

getChildren in class AbstractJNode

Returns:

List<JNode>

clone

public JNode clone()

Description copied from interface: JNode

Return copy of this object, detached from node tree.

Specified by:

clone in interface JNode

Specified by:

clone in class AbstractJNode

Returns:

JNode

addNode

public <T extends JNode> void addNode(T jnode)

Description copied from interface: JNode

Add element to composite node (without name).

Specified by:

addNode in interface JNode

Type Parameters:

T - class of added node.

Parameters:

jnode - to be added.

addNode

public <K,T extends JNode> void addNode(K pKey,
                                        T jnode)

Description copied from interface: JNode

Add element to composite node.

Specified by:

addNode in interface JNode

Type Parameters:

K - class of key (String for field name, Integer for node in JArray).

T - class of added node.

Parameters:

pKey - name of the field

jnode - to be added.

removeNode

public <K> void removeNode(K selector)

Description copied from interface: JNode

Remove child node of this node by selector. If type of this node is JNodeType.ARRAY a selector has to be Integer type and represents index of the array member. If type of this node is JNodeType.OBJECT a selector has to be String and represents key of object property..

Specified by:

removeNode in interface JNode

Type Parameters:

K - type of the selector: Integer or String.

Parameters:

selector - is index or key.

removeNode

public <N extends JNode> void removeNode(N node)

Description copied from interface: JNode

Remove child node of this node.

Specified by:

removeNode in interface JNode

Type Parameters:

N - type of node

Parameters:

node - to remove

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>

Overrides:

iterator in class AbstractJNode

Returns:

Iterator<JNode> iterator

See Also:

Iterable

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

Overrides:

fieldNames in class AbstractJNode

Returns:

Set<String>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toString

public java.lang.String toString(java.lang.String indent,
                                 boolean showPath,
                                 boolean deep)

Description copied from interface: JNode

Return printable (well formatted) text represents this node.

Specified by:

toString in interface JNode

Parameters:

indent - represent indentation for formatting text.

showPath - if true then the method insert path information in output.

deep - if true then the method will output children recursively.

Returns:

String

toJson

public java.lang.String toJson()

Description copied from interface: JNode

Return this node as a JSON document.

Specified by:

toJson in interface JNode

Returns:

String

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractJNode

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class AbstractJNode