Java tutorial
//package com.java2s; /** * [SIMINOV FRAMEWORK - CORE] * Copyright [2014-2016] [Siminov Software Solution LLP|support@siminov.com] * * 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. **/ import java.sql.Blob; import java.util.Collection; import java.util.HashSet; import java.util.Iterator; public class Main { private static Class<?>[] convertToPrimitiveClasses(Class<?>... classes) { Collection<Class<?>> convertedClasses = new HashSet<Class<?>>(); for (Class<?> classObject : classes) { if (classObject.getName().equalsIgnoreCase(Integer.class.getName())) { convertedClasses.add(int.class); } else if (classObject.getName().equalsIgnoreCase(Long.class.getName())) { convertedClasses.add(long.class); } else if (classObject.getName().equalsIgnoreCase(Float.class.getName())) { convertedClasses.add(float.class); } else if (classObject.getName().equalsIgnoreCase(Double.class.getName())) { convertedClasses.add(double.class); } else if (classObject.getName().equalsIgnoreCase(Boolean.class.getName())) { convertedClasses.add(boolean.class); } else if (classObject.getName().equalsIgnoreCase(Blob.class.getName())) { convertedClasses.add(byte.class); } else { convertedClasses.add(classObject); } } Class<?>[] convertedArrayClasses = new Class<?>[convertedClasses.size()]; Iterator<Class<?>> convertedClassesItr = convertedClasses.iterator(); int count = 0; while (convertedClassesItr.hasNext()) { convertedArrayClasses[count++] = convertedClassesItr.next(); } return convertedArrayClasses; } }