org.jtransfo
Class JTransfoImpl

java.lang.Object
  org.jtransfo.JTransfoImpl

All Implemented Interfaces:

ConvertSourceTarget, JTransfo

public class JTransfoImpl
extends Object
implements JTransfo, ConvertSourceTarget

jTransfo main access point standard implementation.

Field Summary

Fields inherited from interface org.jtransfo.JTransfo

DEFAULT_TAG_WHEN_NO_TAGS

Constructor Summary

JTransfoImpl()
Constructor.

Method Summary

void	clearCaches() Clear cache with converters.
Object	convert(Object source) Create a new domain object from the source transfer object.
<T> T	convert(Object source, T target, boolean targetIsTo, String... tags) Fill the target object with the values from the source object.
<T> T	convert(Object source, T target, String... tags) Fill the target object with the values from the source object.
<T> List<T>	convertList(List<?> source, Class<T> targetClass, String... tags) Convert a list of object to the given type.
<T> T	convertTo(Object source, Class<T> targetClass, String... tags) Create a new domain object from the source transfer object.
<T> T	findTarget(Object source, Class<T> targetClass) Get the base target (domain) object for the source (transfer) object.
List<ConvertInterceptor>	getConvertInterceptors() Get the list of ConvertInterceptors to allow customization.
Class<?>	getDomainClass(Class<?> toClass) Get domain class for transfer object.
List<ObjectFinder>	getObjectFinders() Get the list of ObjectFinders to allow customization.
Class<?>	getToSubType(Class<?> toType, Object domainObject) Get the correct transfer object type for the given domain object.
List<TypeConverter>	getTypeConverters() Get the set of type converters which are used by this jTransfo instance.
boolean	isToClass(Class<?> toClass) Is the given class a transfer object class? True when there is a DomainClass annotation on the class.
void	updateConvertInterceptors() Update the list of convert interceptors which is used based on the internal list (see getConvertInterceptors().
void	updateConvertInterceptors(List<ConvertInterceptor> newConvertInterceptors) Update the list of convert interceptors which is used.
void	updateObjectFinders() Update the list of object finders which is used based on the internal list (see getObjectFinders().
void	updateObjectFinders(List<ObjectFinder> newObjectFinders) Update the list of object finders which is used.
void	updateTypeConverters() Update the list of type converters which is used based on the internal list (see getTypeConverters().
void	updateTypeConverters(List<TypeConverter> newConverters) Update the list of type converters which is used.

Methods inherited from class java.lang.Object

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

Constructor Detail

JTransfoImpl

public JTransfoImpl()

Constructor.

Method Detail

getTypeConverters

public List<TypeConverter> getTypeConverters()

Get the set of type converters which are used by this jTransfo instance.

You are explicitly allowed to change this list, but beware to do this from one thread only.

Changes in the list are not used until you call updateTypeConverters().

Returns:

current list of type converters.

updateTypeConverters

public void updateTypeConverters()

Update the list of type converters which is used based on the internal list (see getTypeConverters().

updateTypeConverters

public void updateTypeConverters(List<TypeConverter> newConverters)

Update the list of type converters which is used.

When null is passed, this updates the changes to the internal list (see getTypeConverters(). Alternatively, you can pass the new list explicitly.

Parameters:

newConverters - new list of type converters

getObjectFinders

public List<ObjectFinder> getObjectFinders()

Get the list of ObjectFinders to allow customization.

The elements are tried in reverse order (from end to start of list).

You are explicitly allowed to change this list, but beware to do this from one thread only.

Changes in the list are not used until you call updateObjectFinders().

Returns:

list of object finders

updateObjectFinders

public void updateObjectFinders()

Update the list of object finders which is used based on the internal list (see getObjectFinders().

updateObjectFinders

public void updateObjectFinders(List<ObjectFinder> newObjectFinders)

Update the list of object finders which is used.

When null is passed, this updates the changes to the internal list (see getObjectFinders(). Alternatively, you can pass the new list explicitly.

Parameters:

newObjectFinders - new list of type converters

getConvertInterceptors

public List<ConvertInterceptor> getConvertInterceptors()

Get the list of ConvertInterceptors to allow customization.

The elements are tried in reverse order (from end to start of list).

You are explicitly allowed to change this list, but beware to do this from one thread only.

Changes in the list are not used until you call updateObjectFinders().

Returns:

list of object finders

updateConvertInterceptors

public void updateConvertInterceptors()

Update the list of convert interceptors which is used based on the internal list (see getConvertInterceptors().

updateConvertInterceptors

public void updateConvertInterceptors(List<ConvertInterceptor> newConvertInterceptors)

Update the list of convert interceptors which is used.

When null is passed, this updates the changes to the internal list (see getConvertInterceptors(). Alternatively, you can pass the new list explicitly.

Parameters:

newConvertInterceptors - new list of convert interceptors

convert

public <T> T convert(Object source,
                     T target,
                     String... tags)

Description copied from interface: JTransfo

Fill the target object with the values from the source object.

This will write all values from the transfer object, other fields are not touched.

Specified by:

convert in interface JTransfo

Type Parameters:

T - type of object for target

Parameters:

source - source object. Should not be null.

target - target object. Should not be null.

tags - tags which indicate which fields can be converted based on MapOnly annotations. Tags are processed from left to right.

Returns:

target object

convert

public <T> T convert(Object source,
                     T target,
                     boolean targetIsTo,
                     String... tags)

Description copied from interface: ConvertSourceTarget

Fill the target object with the values from the source object.

This will write all values from the transfer object, other fields are not touched.

Specified by:

convert in interface ConvertSourceTarget

Type Parameters:

T - type of object for target

Parameters:

source - source object. Should not be null.

target - target object. Should not be null.

targetIsTo - is the target class the transfer object?

tags - tags which indicate which fields can be converted based on MapOnly annotations. Tags are processed from left to right.

Returns:

target object

convert

public Object convert(Object source)

Description copied from interface: JTransfo

Create a new domain object from the source transfer object.

When the source is null, the result is also null.

The object finders are used to build the object to copy to.

Specified by:

convert in interface JTransfo

Parameters:

source - source transfer object

Returns:

domain object

convertTo

public <T> T convertTo(Object source,
                       Class<T> targetClass,
                       String... tags)

Description copied from interface: JTransfo

Create a new domain object from the source transfer object.

When the source is null, the result is also null.

The object finders are used to build the object to copy to.

Specified by:

convertTo in interface JTransfo

Type Parameters:

T - type of object for target

Parameters:

source - source transfer object

targetClass - target class to convert to

tags - tags which indicate which fields can be converted based on MapOnly annotations. Tags are processed from left to right.

Returns:

domain object

convertList

public <T> List<T> convertList(List<?> source,
                               Class<T> targetClass,
                               String... tags)

Description copied from interface: JTransfo

Convert a list of object to the given type. Applies JTransfo.convertTo(Object, Class, String...) on each object.

When the source is null, the result is also null.

Specified by:

convertList in interface JTransfo

Type Parameters:

T - type of object for target

Parameters:

source - source list of objects

targetClass - target class to convert each object to

tags - tags which indicate which fields can be converted based on MapOnly annotations. Tags are processed from left to right.

Returns:

list of target objects

findTarget

public <T> T findTarget(Object source,
                        Class<T> targetClass)

Description copied from interface: JTransfo

Get the base target (domain) object for the source (transfer) object.

When the source is null, the result is also null.

The object finders are used to build the object to copy to.

Specified by:

findTarget in interface JTransfo

Type Parameters:

T - type of object for target

Parameters:

source - source transfer object

targetClass - target class to convert to

Returns:

domain object

getDomainClass

public Class<?> getDomainClass(Class<?> toClass)

Description copied from interface: JTransfo

Get domain class for transfer object.

Specified by:

getDomainClass in interface JTransfo

Parameters:

toClass - transfer object class

Returns:

domain class as annotated on class

isToClass

public boolean isToClass(Class<?> toClass)

Description copied from interface: JTransfo

Is the given class a transfer object class?

True when there is a DomainClass annotation on the class.

Specified by:

isToClass in interface JTransfo

Parameters:

toClass - object class to test

Returns:

true when object is a transfer object

getToSubType

public Class<?> getToSubType(Class<?> toType,
                             Object domainObject)

Description copied from interface: JTransfo

Get the correct transfer object type for the given domain object.

This searches the DomainClassDelegates (if present) to see of there is a better matching transfer object than the one given as parameter.

Specified by:

getToSubType in interface JTransfo

Parameters:

toType - base transfer object type

domainObject - domain object (instance)

Returns:

proper transfer object type to use

clearCaches

public void clearCaches()

Clear cache with converters. Needed when classes are reloaded by something like jRebel or spring reloaded.