ClassUtils (JasperReports Javadoc 7.0.0 API)

java.lang.Object
- net.sf.jasperreports.engine.util.ClassUtils

```
public final class ClassUtils
extends Object
```
Class utilities.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`EXCEPTION_MESSAGE_KEY_CLASS_INSTANCE_ERROR`
`static String`	`EXCEPTION_MESSAGE_KEY_CLASS_LOADING_ERROR`
`static String`	`EXCEPTION_MESSAGE_KEY_CLASS_UNEXPECTED_TYPE`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static List<Class<?>>`	`getInterfaces(Class<?> clazz)`
`static Object`	`instantiateClass(String className, Class<?> expectedType)`	Instantiates a class.

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

- Field Detail
  - EXCEPTION_MESSAGE_KEY_CLASS_INSTANCE_ERROR
```
public static final String EXCEPTION_MESSAGE_KEY_CLASS_INSTANCE_ERROR
```
    See Also:
    
    Constant Field Values
  - EXCEPTION_MESSAGE_KEY_CLASS_LOADING_ERROR
```
public static final String EXCEPTION_MESSAGE_KEY_CLASS_LOADING_ERROR
```
    See Also:
    
    Constant Field Values
  - EXCEPTION_MESSAGE_KEY_CLASS_UNEXPECTED_TYPE
```
public static final String EXCEPTION_MESSAGE_KEY_CLASS_UNEXPECTED_TYPE
```
    See Also:
    
    Constant Field Values
- Method Detail
  - instantiateClass
```
public static final Object instantiateClass(String className,
                                            Class<?> expectedType)
```
    Instantiates a class.
    The class is expected to have a public no-argument constructor.
    
    Parameters:
    
    className - the class name
    
    expectedType - the expected (super) type of the result
    
    Returns:
    
    a newly created instance of the specified class
    
    Throws:
    
    JRRuntimeException - if the class cannot be loaded or instantiated, or if it does not implement the expected type
  - getInterfaces
```
public static List<Class<?>> getInterfaces(Class<?> clazz)
```
    Parameters:
    
    clazz -
    
    Returns:
    
    a list of interfaces implemented by this class and by its superclasses, or an empty list in case there are no implemented interfaces