org.proteios
Class ClassDescriptor

java.lang.Object
  org.proteios.ClassDescriptor

public class ClassDescriptor
extends Object

Through the ClassDescriptor you can find methods by defined attributes.

Author:

gregory

See Also:

AttributeDefinition

Constructor Summary

ClassDescriptor(Class<?> cls)

Method Summary

List<AttributeDefinition>	getAttributes() Currently supports Primitive, Nameable and Enumerated attributes
List<AttributeDefinition>	getAttributes(AttributeFilter filter)
Class<?>	getDescribedClass()
Method	getReadMethod(AttributeDefinition atr)
Method	getWriteMethod(AttributeDefinition atr)
Object	readValue(Object obj, AttributeDefinition attributeDefinition)
List<AttributeDefinition>	sort(List<AttributeDefinition> attributes, List<String> order) Returns a filtered list of attributes.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassDescriptor

public ClassDescriptor(Class<?> cls)

Parameters:

cls - to describe

Method Detail

getReadMethod

public Method getReadMethod(AttributeDefinition atr)
                     throws SecurityException,
                            NoSuchMethodException

Throws:

SecurityException

NoSuchMethodException

getWriteMethod

public Method getWriteMethod(AttributeDefinition atr)
                      throws SecurityException,
                             NoSuchMethodException

Throws:

SecurityException

NoSuchMethodException

getAttributes

public List<AttributeDefinition> getAttributes(AttributeFilter filter)

Parameters:

filter - to apply

Returns:

a list of attributes filtered through the above filter

sort

public List<AttributeDefinition> sort(List<AttributeDefinition> attributes,
                                      List<String> order)

Returns a filtered list of attributes.

Parameters:

attributes - List of attribute definitions to be sorted.

order - List of column key strings in desired sort order.

Returns:

List Sorted list of attribute definitions.

getAttributes

public List<AttributeDefinition> getAttributes()

Currently supports Primitive, Nameable and Enumerated attributes

Returns:

list of readable attributes, those with 'get' or 'is' prefixes, or null if none are found.

getDescribedClass

public Class<?> getDescribedClass()

readValue

public Object readValue(Object obj,
                        AttributeDefinition attributeDefinition)

Parameters:

obj - to read the attribute of

attributeDefinition - describing the attribute

Returns:

the value of that attribute or null