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package org.jvnet.jaxb2_commons.codemodel;

import com.sun.codemodel.JClass;
import com.sun.codemodel.JType;

public class JCMClass extends JCMType {

	public JCMClass(JCMTypeFactory factory, JClass type) {
		super(factory, type);
	}

	@Override
	public  V accept(JCMTypeVisitor visitor) {
		return visitor.visit(this);
	}
	
	@Override
	public JType getDeclarableType() {
		return getType();
	}

	@Override
	public boolean matches(JCMType type) {
		return type.accept(matchesTypeVisitor);
	}
	
	private boolean matches(final JClass thatType) {
		final JClass thisType = getType();
		if (thisType.isAssignableFrom(thatType))
		{
			return true;
		}
		else if(thisType.erasure().isAssignableFrom(thatType.erasure()))
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	private final JCMTypeVisitor matchesTypeVisitor = new JCMTypeVisitor()
	{
		@Override
		public Boolean visit(JCMClass type) {
			return matches(type.getType());
		}


		@Override
		public Boolean visit(JCMNullType type) {
			return Boolean.FALSE;
		}

		@Override
		public Boolean visit(JCMPrimitiveType type) {
			return Boolean.FALSE;
		}

		@Override
		public Boolean visit(JCMTypeVar type) {
			return matches(type.getType());
		}
		
		@Override
		public Boolean visit(JCMArrayClass type) {
			return Boolean.FALSE;
		}
		
		public Boolean visit(JCMTypeWildcard type) {
			return getType().isAssignableFrom(type.getType()._extends());
			
		};
	};
}