JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2003, 2013, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.reflect.generics.reflectiveObjects;

import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Type;
import java.util.Objects;

/**
 * Implementation of GenericArrayType interface for core reflection.
 */
public class GenericArrayTypeImpl
    implements GenericArrayType {
    private final Type genericComponentType;

    // private constructor enforces use of static factory
    private GenericArrayTypeImpl(Type ct) {
        genericComponentType = ct;
    }

    /**
     * Factory method.
     * @param ct - the desired component type of the generic array type
     * being created
     * @return a generic array type with the desired component type
     */
    public static GenericArrayTypeImpl make(Type ct) {
        return new GenericArrayTypeImpl(ct);
    }


    /**
     * Returns  a <tt>Type</tt> object representing the component type
     * of this array.
     *
     * @return  a <tt>Type</tt> object representing the component type
     *     of this array
     * @since 1.5
     */
    public Type getGenericComponentType() {
        return genericComponentType; // return cached component type
    }

    public String toString() {
        Type componentType = getGenericComponentType();
        StringBuilder sb = new StringBuilder();

        if (componentType instanceof Class)
            sb.append(((Class)componentType).getName() );
        else
            sb.append(componentType.toString());
        sb.append("[]");
        return sb.toString();
    }

    @Override
    public boolean equals(Object o) {

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