/**
* Checks if Instance extends specified Class {@link Class#isAssignableFrom(Class)} is not used as
* Class might not be available and String representation can only be used
*
* @param object Instance which would be checked
* @param superClassName Class with which it would be checked
* @return true if Instance extends specified Parent
*/
public static boolean objectExtends(Object object, String superClassName) {
AssertUtils.assertNotNull(object);
boolean result = false;
Class superClass = object.getClass().getSuperclass();
if (superClass.getName().equals(superClassName) == true) {
result = true;
}
return result;
}
/**
* Checks if instance is of specified class
*
* @param object Instance which would be checked
* @param className Class name with which it would be checked
* @return true if Instance is of specified class
*/
public static boolean objectInstanceOf(Object object, String className) {
AssertUtils.assertNotNull(object);
boolean result = false;
Class clazz = object.getClass();
if (clazz.getName().equals(className) == true) {
result = true;
}
return result;
}
/**
* Checks if Instance implements specified Interface {@link Class#isAssignableFrom(Class)} is not
* used as Interface might not be available and String representation can only be used
*
* @param object Instance which would be checked
* @param interfaceClass Interface with which it would be checked
* @return true if Instance implements specified Interface
*/
public static boolean objectImplements(Object object, String interfaceClass) {
AssertUtils.assertNotNull(object);
boolean result = false;
Class[] interfaces = object.getClass().getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals(interfaceClass) == true) {
result = true;
break;
}
}
return result;
}
/**
* Checks if instance can be cast to specified Class
*
* @param object Instance which would be checked
* @param className Class name with which it would be checked
* @return true if Instance can be cast to specified class
* @throws org.midao.jdbc.core.exception.MjdbcException
*/
public static boolean objectAssignableTo(Object object, String className) throws MjdbcException {
AssertUtils.assertNotNull(object);
boolean result = false;
Class clazz = null;
try {
clazz = Class.forName(className);
} catch (ClassNotFoundException ex) {
throw new MjdbcException(ex);
}
result = clazz.isAssignableFrom(object.getClass());
return result;
}
/**
* Returns class field value Is used to return Constants
*
* @param object Class field of which would be returned
* @param fieldName field name
* @return field value
* @throws org.midao.jdbc.core.exception.MjdbcException if field is not present or access is
* prohibited
*/
public static Object returnField(Object object, String fieldName) throws MjdbcException {
AssertUtils.assertNotNull(object);
Object result = null;
Field field = null;
try {
field = object.getClass().getField(fieldName);
result = field.get(object);
} catch (NoSuchFieldException ex) {
throw new MjdbcException(ex);
} catch (IllegalAccessException ex) {
throw new MjdbcException(ex);
}
return result;
}