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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);
}
}
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