Getting All fields(including inherited) from a JAVA class[POJO]

Getting All fields of Java Class

package com.pratap.utils;

import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import org.apache.commons.lang3.ArrayUtils;

/**
 * Utility methods for Data migration, Import, export etc.
 * 
 * @author Pratap
 */
public class MigrationUtils {

	static final Logger log = Logger.getLogger(MigrationUtils.class.getName());
	static class ClassFinder{
		  public static final String[] packages = {
		    "com.pratap.package1",
		    "com.pratap.package2" };

		  public static Class<?> findClassByName(String name) {
		    for(int i=0; i<packages.length; i++){
		      try{
		        return Class.forName(packages[i] + "." + name);
		      } catch (ClassNotFoundException e){
		        //not in this package, try another
		      } catch (Exception e){
		        //deal with other problems...
		      }
		    }
		    //nothing found: return null or throw ClassNotFoundException
		    return null;
		  }
		}
	
	
	public static Map<String, String> getFieldCollectionInfo(String name) throws IllegalArgumentException, IllegalAccessException {
		//Excluding JDO-specific fields
		 String[] excludedFields={"jdoDetachedState","jdoFieldFlags","jdoFieldNames","jdoFieldTypes","jdoFlags",
				 					"jdoInheritedFieldCount","jdoPersistenceCapableSuperclass","jdoStateManager","serialVersionUID","key"};	 
		 Map<String, String> nameTypeMaps = new HashMap<>();
		try{
			  
			  Class<?> targetClass =ClassFinder.findClassByName(name);
			  if(targetClass!=null){
				  Field[] declaredFields = targetClass.getDeclaredFields();
				  Class<?> superClass=targetClass.getSuperclass();
				  while(superClass!=null){
					  declaredFields=ArrayUtils.addAll(declaredFields,superClass.getDeclaredFields());
					  superClass=superClass.getSuperclass();
				  }
				  
				  for (Field field : declaredFields) {			  			  
						  if(ArrayUtils.contains(excludedFields,field.getName())){
							  continue;
						  }
						  
				    field.setAccessible(true);
				    if(field.getType().isEnum()){
				    	   nameTypeMaps.put(field.getName(), "Enum");	
				    }else{
				    nameTypeMaps.put(field.getName(), field.getType().getSimpleName());
				    }
				 }			
		  }
		  
		 }catch (Exception e) {
			e.printStackTrace();
		 }
		return nameTypeMaps;
	}
}