/*
 * Copyright (c) 2020, 2021, 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.core;

import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;

import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.Platforms;

@Platforms(Platform.HOSTED_ONLY.class)
public abstract class ClassLoaderSupport {

    public boolean isNativeImageClassLoader(ClassLoader classLoader) {
        ClassLoader loader = classLoader;
        while (loader != null) {
            if (isNativeImageClassLoaderImpl(loader)) {
                return true;
            }
            loader = loader.getParent();
        }
        return false;
    }

    protected abstract boolean isNativeImageClassLoaderImpl(ClassLoader classLoader);

    public interface ResourceCollector {

        boolean isIncluded(Module module, String resourceName, URI resourceURI);

        void addResource(Module module, String resourceName, InputStream resourceStream, boolean fromJar);

        void addDirectoryResource(Module module, String dir, String content, boolean fromJar);

        void registerNegativeQuery(Module module, String resourceName);

        void registerIOException(Module module, String resourceName, IOException e, boolean linkAtBuildTime);
    }

    public abstract void collectResources(ResourceCollector resourceCollector);

    public abstract List<ResourceBundle> getResourceBundle(String bundleName, Locale locale);
}
