de.hadizadeh.positioning.persistence

Class XMLPersistenceManager

java.lang.Object

de.hadizadeh.positioning.persistence.XMLPersistenceManager

All Implemented Interfaces:

PersistenceManager

public class XMLPersistenceManager
extends java.lang.Object
implements PersistenceManager

Persists positions into xml files.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.File	persistenceFile xml file
protected org.jdom2.input.SAXBuilder	saxBuilder sax builder

Constructor Summary

Constructors

Constructor and Description
XMLPersistenceManager(java.io.File persistenceFile) Creates a persistence manager.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addFingerPrint(org.jdom2.Element fingerPrint, java.lang.String technologyName, PositionInformation positionInformation) Adds signal data to an xml element.
java.util.Map<java.lang.String,java.util.List<PositionInformation>>	getPersistedPositions() Delivers all persisted positions.
protected org.jdom2.Document	open()
void	persistPosition(java.lang.String technologyName, PositionInformation positionInformation) Adds new signal data for a technology of a position.
void	removeAllMappedPositions() Removes all persisted positions.
void	removeMappedPosition(java.lang.String name) Removes a persisted position.
void	removeMappedPosition(java.lang.String name, java.lang.String technology) Remove a mapped technology of a position.
protected org.jdom2.Element	removeOldTechnologyData(org.jdom2.Element root, java.lang.String technologyName, PositionInformation positionInformation) Removes old technology data if they do not have a content.
protected void	save(org.jdom2.Document doc)

Methods inherited from class java.lang.Object

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

Field Detail

persistenceFile

protected java.io.File persistenceFile

xml file

saxBuilder

protected org.jdom2.input.SAXBuilder saxBuilder

sax builder

Constructor Detail

XMLPersistenceManager

public XMLPersistenceManager(java.io.File persistenceFile)

Creates a persistence manager.

Parameters:

persistenceFile - xml file

Method Detail

getPersistedPositions

public java.util.Map<java.lang.String,java.util.List<PositionInformation>> getPersistedPositions()
                                                                                          throws PositioningPersistenceException

Delivers all persisted positions.

Specified by:

getPersistedPositions in interface PersistenceManager

Returns:

map of persisted position, key is the name of the position, value are the signal data

Throws:

org.jdom2.JDOMException - if the xml structur is wrong

java.io.IOException - if the file could not be read

PositioningPersistenceException

persistPosition

public void persistPosition(java.lang.String technologyName,
                   PositionInformation positionInformation)
                     throws PositioningPersistenceException

Adds new signal data for a technology of a position.

Specified by:

persistPosition in interface PersistenceManager

Parameters:

technologyName - name of the technology

positionInformation - position information

Throws:

org.jdom2.JDOMException - if the xml structur is wrong

java.io.IOException - if the file could not be written

PositioningPersistenceException

removeMappedPosition

public void removeMappedPosition(java.lang.String name)
                          throws PositioningPersistenceException

Removes a persisted position.

Specified by:

removeMappedPosition in interface PersistenceManager

Parameters:

name - name of the position

Throws:

org.jdom2.JDOMException - if the xml structur is wrong

java.io.IOException - if the file could not be written

PositioningPersistenceException

removeMappedPosition

public void removeMappedPosition(java.lang.String name,
                        java.lang.String technology)
                          throws PositioningPersistenceException

Remove a mapped technology of a position.

Specified by:

removeMappedPosition in interface PersistenceManager

Parameters:

name - name of the position

technology - technology name

Throws:

org.jdom2.JDOMException - if the xml structur is wrong

java.io.IOException - if the file could not be written

PositioningPersistenceException

removeAllMappedPositions

public void removeAllMappedPositions()
                              throws PositioningPersistenceException

Removes all persisted positions.

Specified by:

removeAllMappedPositions in interface PersistenceManager

Throws:

PositioningPersistenceException

removeOldTechnologyData

protected org.jdom2.Element removeOldTechnologyData(org.jdom2.Element root,
                                        java.lang.String technologyName,
                                        PositionInformation positionInformation)

Removes old technology data if they do not have a content.

Parameters:

root - root xml element

technologyName - technology name

positionInformation - position information

Returns:

clear xml element

addFingerPrint

protected void addFingerPrint(org.jdom2.Element fingerPrint,
                  java.lang.String technologyName,
                  PositionInformation positionInformation)

Adds signal data to an xml element.

Parameters:

fingerPrint - xml element which will be changed

technologyName - technology name

positionInformation - position information

open

protected org.jdom2.Document open()
                           throws org.jdom2.JDOMException,
                                  java.io.IOException

Throws:

org.jdom2.JDOMException

java.io.IOException

save

protected void save(org.jdom2.Document doc)
             throws java.io.IOException

Throws:

java.io.IOException