Package org.ikasan.configurationService.util

Class ReflectionUtils

java.lang.Object

org.ikasan.configurationService.util.ReflectionUtils

public class ReflectionUtils
extends java.lang.Object

Reflection utility class. Ikasan Development Team.

Constructor Summary

Constructors

Constructor	Description
ReflectionUtils()

Method Summary

Modifier and Type	Method	Description
protected static java.util.Map<java.lang.String,java.lang.reflect.Field>	getDeclaredFields(java.lang.Class cls)	Get all fields of the given class and all parent classes regardless of access (public, protected, private, ..).
static java.lang.reflect.Method	getGetterMethod(java.lang.Class cls, java.lang.reflect.Field field)	Return a getter method instance in the given class for the specified field.
static java.util.Map<java.lang.String,java.lang.Object>	getPropertiesIgnoringExceptions(java.lang.Object target)	Get all non-static field names and values for the given target object.
static java.lang.Object	getProperty(java.lang.Object target, java.lang.String fieldName)	Get the value from the target object for the given field name.
static java.lang.Class	getPropertyType(java.lang.Object target, java.lang.String fieldName)	Get the type for the given field name in the given target object.
static java.lang.reflect.Method	getSetterMethod(java.lang.Class cls, java.lang.reflect.Field field)	Return a setter method instance for the given class for the specified field.
static void	setProperty(java.lang.Object target, java.lang.String fieldName, java.lang.Object value)	Set property on target object based on the field name and given value.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectionUtils

public ReflectionUtils()

Method Detail

getSetterMethod

public static java.lang.reflect.Method getSetterMethod(java.lang.Class cls,
                                                       java.lang.reflect.Field field)
                                                throws java.lang.NoSuchMethodException

Return a setter method instance for the given class for the specified field. NOTE if no valid method is found, including adherence to the JavaBean standards, then throw a NoSuchMethodException.

Parameters:

cls -

field -

Returns:

Throws:

java.lang.NoSuchMethodException

getProperty

public static java.lang.Object getProperty(java.lang.Object target,
                                           java.lang.String fieldName)
                                    throws java.lang.NoSuchFieldException,
                                           java.lang.NoSuchMethodException,
                                           java.lang.reflect.InvocationTargetException,
                                           java.lang.IllegalAccessException

Get the value from the target object for the given field name.

Parameters:

target -

fieldName -

Returns:

Throws:

java.lang.NoSuchFieldException

java.lang.NoSuchMethodException

java.lang.reflect.InvocationTargetException

java.lang.IllegalAccessException

getPropertyType

public static java.lang.Class getPropertyType(java.lang.Object target,
                                              java.lang.String fieldName)
                                       throws java.lang.NoSuchFieldException,
                                              java.lang.NoSuchMethodException,
                                              java.lang.reflect.InvocationTargetException,
                                              java.lang.IllegalAccessException

Get the type for the given field name in the given target object.

Parameters:

target -

fieldName -

Returns:

Throws:

java.lang.NoSuchFieldException

java.lang.NoSuchMethodException

java.lang.reflect.InvocationTargetException

java.lang.IllegalAccessException

getPropertiesIgnoringExceptions

public static java.util.Map<java.lang.String,java.lang.Object> getPropertiesIgnoringExceptions(java.lang.Object target)

Get all non-static field names and values for the given target object. Any failures to access fields or methods are logged, but not thrown.

Parameters:

target -

Returns:

setProperty

public static void setProperty(java.lang.Object target,
                               java.lang.String fieldName,
                               java.lang.Object value)
                        throws java.lang.NoSuchFieldException,
                               java.lang.NoSuchMethodException,
                               java.lang.reflect.InvocationTargetException,
                               java.lang.IllegalAccessException

Set property on target object based on the field name and given value.

Parameters:

target -

fieldName -

value -

Throws:

java.lang.NoSuchFieldException

java.lang.NoSuchMethodException

java.lang.reflect.InvocationTargetException

java.lang.IllegalAccessException

getGetterMethod

public static java.lang.reflect.Method getGetterMethod(java.lang.Class cls,
                                                       java.lang.reflect.Field field)
                                                throws java.lang.NoSuchMethodException

Return a getter method instance in the given class for the specified field. NOTE if no valid method is found, including adherence to the JavaBean standards, then throw a NoSuchMethodException.

Parameters:

cls -

field -

Returns:

Throws:

java.lang.NoSuchMethodException

getDeclaredFields

protected static java.util.Map<java.lang.String,java.lang.reflect.Field> getDeclaredFields(java.lang.Class cls)

Get all fields of the given class and all parent classes regardless of access (public, protected, private, ..).

Parameters:

cls -

Returns:

Map