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/*
 * Copyright (c) 2007 Mockito contributors
 * This program is made available under the terms of the MIT License.
 */
package org.mockito.internal.matchers;

import java.io.Serializable;

import org.mockito.ArgumentMatcher;
import org.mockito.internal.util.Primitives;

public class InstanceOf implements ArgumentMatcher, Serializable {

    final Class clazz;
    private final String description;

    public InstanceOf(Class clazz) {
        this(clazz, "isA(" + clazz.getCanonicalName() + ")");
    }

    public InstanceOf(Class clazz, String describedAs) {
        this.clazz = clazz;
        this.description = describedAs;
    }

    @Override
    public boolean matches(Object actual) {
        return (actual != null)
                && (Primitives.isAssignableFromWrapper(actual.getClass(), clazz)
                        || clazz.isAssignableFrom(actual.getClass()));
    }

    @Override
    public Class type() {
        return clazz;
    }

    @Override
    public String toString() {
        return description;
    }
}