CoreReflection (Yakhont 0.9.19 API)

java.lang.Object
- akha.yakhont.CoreReflection

```
public class CoreReflection
extends Object
```
The helper class for work with Java Reflection API.

Method Summary

Methods
Modifier and Type	Method and Description
`static Field`	`findField(Object object, String fieldName)` Finds field.
`static Method`	`findMethod(Object object, String methodName, Class... args)` Finds method to invoke.
`static Annotation`	`getAnnotation(Object object, Class<? extends Annotation> annotation)` Gets the object's annotation.
`static Object`	`getField(Object object, Field field)` Gets the value of the field.
`static Object`	`getField(Object object, String fieldName)` Gets the value of the field.
`static Object`	`invoke(Object object, Method method, Object... args)` Invokes method and returns the result.
`static Object`	`invoke(Object object, String methodName, Object... args)` Invokes method and returns the result.
`static Object`	`invokeSafe(Object object, String methodName, Object... args)` Same as `invoke(Object, String, Object...)` but never throws exceptions.
`static boolean`	`isAnnotated(Object object, Class<? extends Annotation> annotation)` Checks whether the object was annotated.
`static boolean`	`isAnnotatedField(Object object, Class<? extends Annotation> annotation, String fieldName)` Checks whether the field was annotated.
`static boolean`	`isAnnotatedMethod(Object object, Class<? extends Annotation> annotation, String methodName, Class... args)` Checks whether the method was annotated.
`static Object`	`setField(Object object, Field field, Object newValue)` Sets the value of the field.
`static Object`	`setField(Object object, String fieldName, Object newValue)` Sets the value of the field.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

invokeSafe

public static Object invokeSafe(@NonNull
                Object object,
                @NonNull
                String methodName,
                Object... args)

Same as invoke(Object, String, Object...) but never throws exceptions.

invoke
```
public static Object invoke(@NonNull
            Object object,
            @NonNull
            String methodName,
            Object... args)
                     throws InvocationTargetException
```
Invokes method and returns the result.

Throws:

InvocationTargetException - please refer to the exception description
Parameters:
object - The object on which to call this method
methodName - The method name
args - The method arguments

Returns:
The result of method invoking

invoke
```
public static Object invoke(Object object,
            Method method,
            Object... args)
                     throws InvocationTargetException
```
Invokes method and returns the result.

Throws:

InvocationTargetException - please refer to the exception description
Parameters:
object - The object on which to call this method
method - The method
args - The method arguments

Returns:
The result of method invoking

findMethod

public static Method findMethod(@NonNull
                Object object,
                @NonNull
                String methodName,
                @NonNull
                Class... args)

Finds method to invoke.

Parameters:: object - The object on which to call this method; methodName - The method name; args - The method arguments
Returns:: The method object or null (if not found)

findField

public static Field findField(@NonNull
              Object object,
              @NonNull
              String fieldName)

Finds field.

Parameters:: object - The object on which to find this field; fieldName - The field name
Returns:: The field object or null (if not found)

getField

public static Object getField(@NonNull
              Object object,
              @NonNull
              String fieldName)

Gets the value of the field.

Parameters:: object - The object on which to get this field; fieldName - The field name
Returns:: The field value

getField

public static Object getField(@NonNull
              Object object,
              Field field)

Gets the value of the field.

Parameters:: object - The object on which to get this field; field - The field
Returns:: The field value

setField

public static Object setField(@NonNull
              Object object,
              @NonNull
              String fieldName,
              Object newValue)

Sets the value of the field.

Parameters:: object - The object on which to set this field; fieldName - The field name; newValue - The field's new value
Returns:: The field's previous value

setField

public static Object setField(@NonNull
              Object object,
              Field field,
              Object newValue)

Sets the value of the field.

Parameters:: object - The object on which to set this field; field - The field; newValue - The field's new value
Returns:: The field's previous value

getAnnotation

public static Annotation getAnnotation(@NonNull
                       Object object,
                       @NonNull
                       Class<? extends Annotation> annotation)

Gets the object's annotation.

Parameters:: object - The object on which to get this annotation; annotation - The annotation class
Returns:: The annotation object or null (if not found)

isAnnotated

public static boolean isAnnotated(@NonNull
                  Object object,
                  @NonNull
                  Class<? extends Annotation> annotation)

Checks whether the object was annotated.

Parameters:: object - The object to check; annotation - The annotation class
Returns:: true if the object was annotated, false otherwise

isAnnotatedMethod

public static boolean isAnnotatedMethod(@NonNull
                        Object object,
                        @NonNull
                        Class<? extends Annotation> annotation,
                        @NonNull
                        String methodName,
                        @NonNull
                        Class... args)

Checks whether the method was annotated.

Parameters:: object - The object to check; annotation - The annotation class; methodName - The method name; args - The method arguments
Returns:: true if the method was annotated, false otherwise

isAnnotatedField

public static boolean isAnnotatedField(@NonNull
                       Object object,
                       @NonNull
                       Class<? extends Annotation> annotation,
                       @NonNull
                       String fieldName)

Checks whether the field was annotated.

Parameters:: object - The object to check; annotation - The annotation class; fieldName - The field name
Returns:: true if the field was annotated, false otherwise

Copyright © 2015-2017 akha, a.k.a. Alexander Kharitonov

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Class CoreReflection

Method Summary

Methods inherited from class java.lang.Object

Method Detail

invokeSafe

invoke

invoke

findMethod

findField

getField

getField

setField

setField

getAnnotation

isAnnotated

isAnnotatedMethod

isAnnotatedField