Package adams.data.spreadsheet

Class AbstractObjectHandler<T>

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.data.spreadsheet.AbstractObjectHandler<T>

Type Parameters:

T - the type of object to handle

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, SizeOfHandler, Serializable

Direct Known Subclasses:

JsonObjectHandler, StringObjectHandler

public abstract class AbstractObjectHandler<T>
extends AbstractOptionHandler

Ancestor for handlers that manage the Cell.ContentType.OBJECT type of cells.

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static HashMap<Class,Class>	m_Handlers	the cache for object class/object handler relation.
protected static HashSet<Class>	m_NoHandlers	the cache for object classes without object handlers.

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
AbstractObjectHandler()

Method Summary

Modifier and Type	Method	Description
abstract String	format(T obj)	Turns the given object back into a string.
static AbstractObjectHandler	getHandler(Class cls)	Returns the handler for the specific object class.
static AbstractObjectHandler	getHandler(Object obj)	Returns the handler for the specific object.
static String[]	getHandlers()	Returns a list with classnames of handlers.
abstract boolean	handles(Class cls)	Checks whether the handler can process the given class.
boolean	handles(Object obj)	Checks whether the handler can process the given object.
abstract T	parse(String s)	Parses the given string.

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, defineOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, globalInfo, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Field Detail

m_Handlers

protected static HashMap<Class,Class> m_Handlers

the cache for object class/object handler relation.

m_NoHandlers

protected static HashSet<Class> m_NoHandlers

the cache for object classes without object handlers.

Constructor Detail

AbstractObjectHandler

public AbstractObjectHandler()

Method Detail

handles

public boolean handles(Object obj)

Checks whether the handler can process the given object.

Parameters:

obj - the object to check

Returns:

true if handler can process the object

See Also:

handles(Class)

handles

public abstract boolean handles(Class cls)

Checks whether the handler can process the given class.

Parameters:

cls - the class to check

Returns:

true if handler can process the class

parse

public abstract T parse(String s)

Parses the given string.

Parameters:

s - the string

Returns:

the generated object, null if failed to convert

format

public abstract String format(T obj)

Turns the given object back into a string.

Parameters:

obj - the object to convert into a string

Returns:

the string representation

getHandler

public static AbstractObjectHandler getHandler(Object obj)

Returns the handler for the specific object.

Parameters:

obj - the object to get the handler for

Returns:

the handler class or null if none available

getHandler

public static AbstractObjectHandler getHandler(Class cls)

Returns the handler for the specific object class.

Parameters:

cls - the class to get the handler for

Returns:

the handler or null if none available

getHandlers

public static String[] getHandlers()

Returns a list with classnames of handlers.

Returns:

the handler classnames