Package com.gengoai.reflection

Class BeanDescriptor

java.lang.Object

com.gengoai.reflection.BeanDescriptor

All Implemented Interfaces:

Serializable

public final class BeanDescriptor
extends Object
implements Serializable

Contains basic information about the read and write methods for a bean class.

Author:

David B. Bracewell

See Also:

Serialized Form

Method Summary

Modifier and Type	Method	Description
Object	createInstance()	Constructs an instance of the wrapped class.
Object	createInstanceQuietly()	Constructs an instance of the wrapped class ignoring any errors.
boolean	equals(Object obj)
Class<?>	getBeanClass()
Method	getReadMethod(String methodName)	Gets a read method by its name
Set<String>	getReadMethodNames()
Collection<Method>	getReadMethods()
Method	getWriteMethod(String methodName)	Gets a write method by its name
Set<String>	getWriteMethodNames()
Collection<Method>	getWriteMethods()
int	hashCode()
boolean	hasReadMethod(String methodName)	Determines if the descriptor has a read method named with the given string.
boolean	hasWriteMethod(String methodName)	Determines if the descriptor has a write method named with the given string.
int	numberOfReadMethods()
int	numberOfWriteMethods()

Methods inherited from class java.lang.Object

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

Method Detail

createInstance

public Object createInstance()
                      throws InstantiationException,
                             IllegalAccessException,
                             NoSuchMethodException,
                             InvocationTargetException

Constructs an instance of the wrapped class.

Returns:

An instance of the wrapped class

Throws:

InstantiationException - Something went wrong during instantiation.

IllegalAccessException - Couldn't access the class.

NoSuchMethodException

InvocationTargetException

createInstanceQuietly

public Object createInstanceQuietly()

Constructs an instance of the wrapped class ignoring any errors.

Returns:

An instance of the class or null if something went wrong.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getBeanClass

public Class<?> getBeanClass()

Returns:

The associated class information.

getReadMethod

public Method getReadMethod(String methodName)

Gets a read method by its name

Parameters:

methodName - The name of the method

Returns:

The method with the given name or null

getReadMethodNames

public Set<String> getReadMethodNames()

Returns:

All of the names of the read methods

getReadMethods

public Collection<Method> getReadMethods()

Returns:

All of the read methods

getWriteMethod

public Method getWriteMethod(String methodName)

Gets a write method by its name

Parameters:

methodName - The name of the method

Returns:

The method with the given name or null

getWriteMethodNames

public Set<String> getWriteMethodNames()

Returns:

All of the names of the write methods

getWriteMethods

public Collection<Method> getWriteMethods()

Returns:

All of the write methods

hasReadMethod

public boolean hasReadMethod(String methodName)

Determines if the descriptor has a read method named with the given string.

Parameters:

methodName - The read method we want to check for

Returns:

True if the method exists, false otherwise

hasWriteMethod

public boolean hasWriteMethod(String methodName)

Determines if the descriptor has a write method named with the given string.

Parameters:

methodName - The write method we want to check for

Returns:

True if the method exists, false otherwise

hashCode

public int hashCode()

Overrides:

hashCode in class Object

numberOfReadMethods

public int numberOfReadMethods()

Returns:

The number of read methods

numberOfWriteMethods

public int numberOfWriteMethods()

Returns:

The number of write methods