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package org.apache.juneau.annotation;

import java.lang.annotation.*;

import org.apache.juneau.*;
import org.apache.juneau.reflect.*;

/**
 * Defines an invalid usage of an annotation.
 *
 * <ul class='seealso'>
 * 	<li class='extlink'>{@source}
 * </ul>
 *
 * @serial exclude
 */
public class InvalidAnnotationException extends BasicRuntimeException {

	private static final long serialVersionUID = 1L;

	/**
	 * Constructor.
	 *
	 * @param message Message.
	 * @param args Arguments.
	 */
	public InvalidAnnotationException(String message, Object...args) {
		super(message, args);
	}

	/**
	 * Throws an {@link InvalidAnnotationException} if the specified method contains any of the specified annotations.
	 *
	 * @param onMethod The method to check.
	 * @param types The annotations to check for.
	 * @throws InvalidAnnotationException Annotation was used in an invalid location.
	 */
	@SafeVarargs
	public static void assertNoInvalidAnnotations(MethodInfo onMethod, Class<? extends Annotation>...types) throws InvalidAnnotationException {
		Annotation a = onMethod.getAnyAnnotation(types);
		if (a != null)
			throw new InvalidAnnotationException("@{0} annotation cannot be used in a @{1} bean.  Method=''{2}''", a.getClass().getSimpleName(), onMethod.getDeclaringClass().getSimpleName(), onMethod);
	}
}
