Package de.unibamberg.minf.gtf.commands

Class BaseCommands

java.lang.Object

de.unibamberg.minf.gtf.commands.BaseCommands

All Implemented Interfaces:

Commands

Direct Known Subclasses:

BaseCommandDispatcher

public abstract class BaseCommands
extends Object
implements Commands

Field Summary

Fields

Modifier and Type	Field	Description
static final Set<Class<?>>	SIMPLE_TYPES

Constructor Summary

Constructors

Constructor	Description
BaseCommands()

Method Summary

Modifier and Type	Method	Description
final <T> SyntaxTreeNode	convert(Collection<? extends T> c)
<T> SyntaxTreeNode	convert(T c)	Override this method in any dispatcher that supports itself conversion of a type; throws DataTransformationException if called with unsupported type
<T> Collection<T>	ensureCollection(Class<T> type, Object arg)
Collection<?>	ensureCollection(Object arg)
boolean	ensureCollectionSize(Object arg, int size)
boolean	ensureCollectionSize(Object arg, int minSize, int maxSize)
boolean	ensureCollectionSizeAtLeast(Object arg, int minSize)
List<Object>	flattenArgs(Object[] args)
Object	getAsSimpleValue(Object arg)
Object	getAsSimpleValue(Object arg, boolean skipSubordinate)
final CommandDispatcher	getConversionSupportingDispatcher(Class<?> c)
Class<?>	getEnclosedType(Object arg)
Map<String,CommandDispatcher>	getSubordinateDispatchers()	Command dispatchers that have subordinate dispatchers must override this method to support cascading search for conversion supporting dispatchers
boolean	isCollectionType(Object arg)
boolean	isNullValue(Object arg)
boolean	supportsConversion(Class<?> c)	Override this and enable for classes that are supported by this (not subordinate) dispatcher

Methods inherited from class java.lang.Object

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

Field Details

SIMPLE_TYPES

public static final Set<Class<?>> SIMPLE_TYPES

Constructor Details

BaseCommands

public BaseCommands()

Method Details

getAsSimpleValue

public Object getAsSimpleValue(Object arg,
 boolean skipSubordinate)

Specified by:

getAsSimpleValue in interface Commands

getAsSimpleValue

public Object getAsSimpleValue(Object arg)

Specified by:

getAsSimpleValue in interface Commands

isNullValue

public boolean isNullValue(Object arg)

Specified by:

isNullValue in interface Commands

getEnclosedType

public Class<?> getEnclosedType(Object arg)

Specified by:

getEnclosedType in interface Commands

isCollectionType

public boolean isCollectionType(Object arg)

Specified by:

isCollectionType in interface Commands

ensureCollection

public <T> Collection<T> ensureCollection(Class<T> type,
 Object arg)

Specified by:

ensureCollection in interface Commands

ensureCollection

public Collection<?> ensureCollection(Object arg)

Specified by:

ensureCollection in interface Commands

flattenArgs

public List<Object> flattenArgs(Object[] args)

Specified by:

flattenArgs in interface Commands

ensureCollectionSize

public boolean ensureCollectionSize(Object arg,
 int size)

Specified by:

ensureCollectionSize in interface Commands

ensureCollectionSize

public boolean ensureCollectionSize(Object arg,
 int minSize,
 int maxSize)

Specified by:

ensureCollectionSize in interface Commands

ensureCollectionSizeAtLeast

public boolean ensureCollectionSizeAtLeast(Object arg,
 int minSize)

Specified by:

ensureCollectionSizeAtLeast in interface Commands

getSubordinateDispatchers

public Map<String,CommandDispatcher> getSubordinateDispatchers()

Command dispatchers that have subordinate dispatchers must override this method to support cascading search for conversion supporting dispatchers

Specified by:

getSubordinateDispatchers in interface Commands

Returns:

Collection of subordinate dispatchers

supportsConversion

public boolean supportsConversion(Class<?> c)

Override this and enable for classes that are supported by this (not subordinate) dispatcher

Specified by:

supportsConversion in interface Commands

Parameters:

c - possible class types

Returns:

true if type conversion supported

convert

public <T> SyntaxTreeNode convert(T c)
                           throws DataTransformationException

Override this method in any dispatcher that supports itself conversion of a type; throws DataTransformationException if called with unsupported type

Specified by:

convert in interface Commands

Parameters:

c - Object to convert

Returns:

ConvertedSyntaxTreeNode

Throws:

DataTransformationException

getConversionSupportingDispatcher

public final CommandDispatcher getConversionSupportingDispatcher(Class<?> c)

Specified by:

getConversionSupportingDispatcher in interface Commands

convert

public final <T> SyntaxTreeNode convert(Collection<? extends T> c)
                                 throws DataTransformationException

Specified by:

convert in interface Commands

Throws:

DataTransformationException