org.topoweb.ila.protocol
Class PNode

java.lang.Object
  |
  +--org.topoweb.ila.protocol.PNode

All Implemented Interfaces:

NodeConstants, ProtocolConstants, StateConstants

public class PNode

extends java.lang.Object

implements ProtocolConstants, NodeConstants, StateConstants

The XML respresentation of a Node instance.

Author:

Babak Farhang

Field Summary

Fields inherited from interface org.topoweb.ila.protocol.ProtocolConstants

PC_BACKLINK_COUNT, PC_BACKLINKS, PC_CO_BACKLINK_COUNT, PC_CO_FORELINK_COUNT, PC_CONTENT_LENGTH, PC_CONTENT_TYPE, PC_ERROR_CODE, PC_EXPIRATION, PC_FAIL, PC_FIRST, PC_FORELINK_COUNT, PC_FORELINKS, PC_GET_KNOWN, PC_GET_LINK_NODE, PC_GET_LINKS, PC_GET_NODE, PC_HI, PC_HTTP, PC_ID, PC_ILA, PC_INCOMMUNICADO, PC_LAST, PC_LAST_MODIFIED, PC_LINK_NODE, PC_LINK_TYPE, PC_LO, PC_MAX_COUNT, PC_NODE, PC_NODE_SET, PC_OKAY, PC_ORI, PC_PAGE, PC_REGISTER, PC_REQUEST, PC_RESPONSE, PC_SIZE, PC_STATE, PC_STATUS, PC_SYNC_VERSION_ID, PC_SYNC_VERSION_TIMESTAMP, PC_TITLE, PC_USER, PC_USER_AGENT, PC_USER_NAMESPACE, PC_VERSION, PC_VERSION_ID, PC_VERSION_TIMESTAMP

Fields inherited from interface org.topoweb.ila.NodeConstants

BACK, FIRST_PAGE, FORE, LAST_PAGE, LINK_MASK, PAGE_MASK

Fields inherited from interface org.topoweb.ila.StateConstants

NF, NK, NV, OK

Constructor Summary

PNode(PState pstate)
Creates a new instance with the given entity translator.

Method Summary

org.w3c.dom.Element	toElement(Node node, org.w3c.dom.Document factory) Translates the specified node using the given factory.
Node	toNode(org.w3c.dom.Element element) Translates the given element to a Node instance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PNode

public PNode(PState pstate)

Creates a new instance with the given entity translator.

Parameters:

pstate - the State entity translator

Throws:

java.lang.IllegalArgumentException - if pstate is null

Method Detail

toNode

public Node toNode(org.w3c.dom.Element element)
            throws IlaProtocolException

Translates the given element to a Node instance.

Parameters:

element - the XML representation of a Node

Returns:

a Node instance

Throws:

IlaProtocolException - if there is an error in the XML representation

toElement

public org.w3c.dom.Element toElement(Node node,
                                     org.w3c.dom.Document factory)

Translates the specified node using the given factory. The element returned is not appended to the factory as its child.

Parameters:

node - the instance to be translated

factory - the Document from which Element instances are created

Returns:

the XML representation of the instance