/*
 * Copyright (c) 2022, 2022, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.oracle.svm.hosted.annotation;

import java.util.Collections;
import java.util.List;
import java.util.Objects;

import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;

import jdk.vm.ci.meta.JavaConstant;
import sun.reflect.annotation.ExceptionProxy;

public final class AnnotationExceptionProxyValue extends AnnotationMemberValue {
    private final ExceptionProxy exceptionProxy;
    private JavaConstant objectConstant;

    AnnotationExceptionProxyValue(ExceptionProxy exceptionProxy) {
        this.exceptionProxy = exceptionProxy;
    }

    public JavaConstant getObjectConstant() {
        return Objects.requireNonNull(objectConstant);
    }

    @Override
    public char getTag() {
        return 'E';
    }

    @Override
    public Object get(Class<?> memberType) {
        return exceptionProxy;
    }

    @Override
    public List<Class<?>> getTypes() {
        return Collections.singletonList(exceptionProxy.getClass());
    }

    @Override
    public List<JavaConstant> getExceptionProxies(SnippetReflectionProvider snippetReflection) {
        if (objectConstant == null) {
            objectConstant = snippetReflection.forObject(exceptionProxy);
        }
        return Collections.singletonList(objectConstant);
    }
}
