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Mockito mock objects library core API and implementation
There is a newer version: 5.12.0
/*
 * Copyright (c) 2016 Mockito contributors
 * This program is made available under the terms of the MIT License.
 */
package org.mockito.internal.configuration.plugins;

import org.mockito.internal.creation.instance.InstantiatorProviderAdapter;
import org.mockito.plugins.AnnotationEngine;
import org.mockito.plugins.InstantiatorProvider;
import org.mockito.plugins.InstantiatorProvider2;
import org.mockito.plugins.MockMaker;
import org.mockito.plugins.PluginSwitch;
import org.mockito.plugins.StackTraceCleanerProvider;

class PluginRegistry {

    private final PluginSwitch pluginSwitch = new PluginLoader(new DefaultPluginSwitch())
            .loadPlugin(PluginSwitch.class);

    private final MockMaker mockMaker = new PluginLoader(pluginSwitch, DefaultMockitoPlugins.INLINE_ALIAS)
            .loadPlugin(MockMaker.class);

    private final StackTraceCleanerProvider stackTraceCleanerProvider = new PluginLoader(pluginSwitch)
            .loadPlugin(StackTraceCleanerProvider.class);

    private final InstantiatorProvider2 instantiatorProvider;

    private AnnotationEngine annotationEngine = new PluginLoader(pluginSwitch)
            .loadPlugin(AnnotationEngine.class);

    PluginRegistry() {
        Object impl = new PluginLoader(pluginSwitch).loadPlugin(InstantiatorProvider2.class, InstantiatorProvider.class);
        if (impl instanceof InstantiatorProvider) {
            instantiatorProvider = new InstantiatorProviderAdapter((InstantiatorProvider) impl);
        } else {
            instantiatorProvider = (InstantiatorProvider2) impl;
        }
    }

    /**
     * The implementation of the stack trace cleaner
     */
    StackTraceCleanerProvider getStackTraceCleanerProvider() {
        //TODO we should throw some sensible exception if this is null.
        return stackTraceCleanerProvider;
    }

    /**
     * Returns the implementation of the mock maker available for the current runtime.
     *
     * Returns {@link org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker} if no
     * {@link org.mockito.plugins.MockMaker} extension exists or is visible in the current classpath.
     */
    MockMaker getMockMaker() {
        return mockMaker;
    }

    /**
     * Returns the instantiator provider available for the current runtime.
     *
     * Returns {@link org.mockito.internal.creation.instance.DefaultInstantiatorProvider} if no
     * {@link org.mockito.plugins.InstantiatorProvider2} extension exists or is visible in the
     * current classpath.
     */
    InstantiatorProvider2 getInstantiatorProvider() {
        return instantiatorProvider;
    }

    /**
     * Returns the annotation engine available for the current runtime.
     *
     * Returns {@link org.mockito.internal.configuration.InjectingAnnotationEngine} if no
     * {@link org.mockito.plugins.AnnotationEngine} extension exists or is visible in the current classpath.
     */
    AnnotationEngine getAnnotationEngine() {
        return annotationEngine;
    }
}