| package com.github.javaparser.utils; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class ClassUtils { |
| /** |
| * Maps primitive {@code Class}es to their corresponding wrapper {@code Class}. |
| */ |
| private static final Map<Class<?>, Class<?>> primitiveWrapperMap = new HashMap<Class<?>, Class<?>>(); |
| static { |
| primitiveWrapperMap.put(Boolean.TYPE, Boolean.class); |
| primitiveWrapperMap.put(Byte.TYPE, Byte.class); |
| primitiveWrapperMap.put(Character.TYPE, Character.class); |
| primitiveWrapperMap.put(Short.TYPE, Short.class); |
| primitiveWrapperMap.put(Integer.TYPE, Integer.class); |
| primitiveWrapperMap.put(Long.TYPE, Long.class); |
| primitiveWrapperMap.put(Double.TYPE, Double.class); |
| primitiveWrapperMap.put(Float.TYPE, Float.class); |
| primitiveWrapperMap.put(Void.TYPE, Void.TYPE); |
| } |
| |
| /** |
| * Maps wrapper {@code Class}es to their corresponding primitive types. |
| */ |
| private static final Map<Class<?>, Class<?>> wrapperPrimitiveMap = new HashMap<Class<?>, Class<?>>(); |
| static { |
| for (final Class<?> primitiveClass : primitiveWrapperMap.keySet()) { |
| final Class<?> wrapperClass = primitiveWrapperMap.get(primitiveClass); |
| if (!primitiveClass.equals(wrapperClass)) { |
| wrapperPrimitiveMap.put(wrapperClass, primitiveClass); |
| } |
| } |
| } |
| |
| /** |
| * Returns whether the given {@code type} is a primitive or primitive wrapper ({@link Boolean}, {@link Byte}, |
| * {@link Character}, |
| * {@link Short}, {@link Integer}, {@link Long}, {@link Double}, {@link Float}). |
| * |
| * @param type |
| * The class to query or null. |
| * @return true if the given {@code type} is a primitive or primitive wrapper ({@link Boolean}, {@link Byte}, |
| * {@link Character}, |
| * {@link Short}, {@link Integer}, {@link Long}, {@link Double}, {@link Float}). |
| */ |
| public static boolean isPrimitiveOrWrapper(final Class<?> type) { |
| if (type == null) { |
| return false; |
| } |
| return type.isPrimitive() || isPrimitiveWrapper(type); |
| } |
| |
| /** |
| * Returns whether the given {@code type} is a primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character}, |
| * {@link Short}, |
| * {@link Integer}, {@link Long}, {@link Double}, {@link Float}). |
| * |
| * @param type |
| * The class to query or null. |
| * @return true if the given {@code type} is a primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character}, |
| * {@link Short}, |
| * {@link Integer}, {@link Long}, {@link Double}, {@link Float}). |
| * @since 3.1 |
| */ |
| public static boolean isPrimitiveWrapper(final Class<?> type) { |
| return wrapperPrimitiveMap.containsKey(type); |
| } |
| } |