/*

 * Copied from Gentyref project http://code.google.com/p/gentyref/

 * Code was reformatted and moved to fit package structure

 */

package com.google.sitebricks.conversion.generics;



import java.lang.reflect.Array;

import java.lang.reflect.GenericArrayType;

import java.lang.reflect.Type;



class GenericArrayTypeImpl implements GenericArrayType

{

	private Type componentType;



	static Class<?> createArrayType(Class<?> componentType)

	{

		// there's no (clean) other way to create a array class, then create an

		// instance of it

		return Array.newInstance(componentType, 0).getClass();

	}



	static Type createArrayType(Type componentType)

	{

		if (componentType instanceof Class<?>)

		{

			return createArrayType((Class<?>) componentType);

		}

		else

		{

			return new GenericArrayTypeImpl(componentType);

		}

	}



	private GenericArrayTypeImpl(Type componentType)

	{

		super();

		this.componentType = componentType;

	}



	public Type getGenericComponentType()

	{

		return componentType;

	}



	@Override

	public boolean equals(Object obj)

	{

		if (!(obj instanceof GenericArrayType))

			return false;

		return componentType.equals(((GenericArrayType) obj).getGenericComponentType());

	}



	@Override

	public int hashCode()

	{

		return componentType.hashCode() * 7;

	}



	@Override

	public String toString()

	{

		return componentType + "[]";

	}

}