Package com.inductiveautomation.ignition.common.util

Class BeanHelper

java.lang.Object

com.inductiveautomation.ignition.common.util.BeanHelper

public class BeanHelper
extends Object

This is a thin wrapper around BeanInfo, which has some more helpful conveniences for calling getters and setters without all the syntax noise

Constructor Summary

Constructors

Constructor	Description
BeanHelper(Class<?> clazz)	Create a BeanHelper for the given class.

Method Summary

Modifier and Type	Method	Description
List<PropertyDescriptor>	findAllProperties()
<T extends Annotation> T	findAnnotation(String property, Class<T> annotationClass)	Searches both the read method and the write method (in that order) for the annotation of the given class
PropertyDescriptor	findProperty(String property)	Finds the property with a given name.
static BeanHelper	forClass(Class<?> clazz)	Using this static getter will make use of a static cache internally
Object	get(Object self, String property)	Reads the value of the given property from the object
Object	getQuiet(Object self, String property, LoggerEx log)	Gets the value of a property on a bean.
Class<?>	getType()
void	set(Object self, String property, Object value)
void	setQuiet(Object self, String property, Object value, LoggerEx log)	Sets a value for the bean.

Methods inherited from class java.lang.Object

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

Constructor Details

BeanHelper

public BeanHelper(Class<?> clazz)

Create a BeanHelper for the given class.

Method Details

forClass

public static BeanHelper forClass(Class<?> clazz)

Using this static getter will make use of a static cache internally

getType

public Class<?> getType()

findAllProperties

public List<PropertyDescriptor> findAllProperties()

findProperty

public PropertyDescriptor findProperty(String property)

Finds the property with a given name. If the property doesn't exist, an IllegalArgumentException will be thrown

findAnnotation

public <T extends Annotation> T findAnnotation(String property,
 Class<T> annotationClass)

Searches both the read method and the write method (in that order) for the annotation of the given class

get

public Object get(Object self,
 String property)
           throws IllegalAccessException,
IllegalArgumentException,
InvocationTargetException

Reads the value of the given property from the object

Throws:

IllegalAccessException

IllegalArgumentException

InvocationTargetException

getQuiet

public Object getQuiet(Object self,
 String property,
 LoggerEx log)

Gets the value of a property on a bean. Upon error, messages are logged to the logger and null is returned, except for IllegalAccessExceptions, which are thrown in RuntimeException wrappers.

set

public void set(Object self,
 String property,
 Object value)
         throws InvocationTargetException,
IllegalAccessException,
IllegalArgumentException

Throws:

InvocationTargetException

IllegalAccessException

IllegalArgumentException

setQuiet

public void setQuiet(Object self,
 String property,
 Object value,
 LoggerEx log)

Sets a value for the bean. Errors are logged to the logger for this BeanHelper, except for IllegalAccessExceptions, which are thrown in RuntimeException wrappers.