JDK14/Java14源码在线阅读

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 * Copyright (c) 2003, 2019, 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.
 *
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package jdk.javadoc.internal.doclets.toolkit.builders;

import java.util.*;

import javax.lang.model.element.PackageElement;

import jdk.javadoc.internal.doclets.toolkit.BaseConfiguration;
import jdk.javadoc.internal.doclets.toolkit.DocletException;
import jdk.javadoc.internal.doclets.toolkit.Messages;
import jdk.javadoc.internal.doclets.toolkit.Resources;
import jdk.javadoc.internal.doclets.toolkit.util.Utils;


/**
 * The superclass for all builders.  A builder is a class that provides
 * the structure and content of API documentation.  A builder is completely
 * doclet independent which means that any doclet can use builders to
 * construct documentation, as long as it implements the appropriate
 * writer interfaces.  For example, if a doclet wanted to use
 * {@link ConstantsSummaryBuilder} to build a constant summary, all it has to
 * do is implement the ConstantsSummaryWriter interface and pass it to the
 * builder using a WriterFactory.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */

public abstract class AbstractBuilder {
    public static class Context {
        /**
         * The configuration used in this run of the doclet.
         */
        final BaseConfiguration configuration;

        /**
         * Keep track of which packages we have seen for
         * efficiency purposes.  We don't want to copy the
         * doc files multiple times for a single package.
         */
        final Set<PackageElement> containingPackagesSeen;

        Context(BaseConfiguration configuration, Set<PackageElement> containingPackagesSeen) {
            this.configuration = configuration;
            this.containingPackagesSeen = containingPackagesSeen;
        }
    }

    /**
     * The configuration used in this run of the doclet.
     */
    protected final BaseConfiguration configuration;

    protected final BuilderFactory builderFactory;
    protected final Messages messages;
    protected final Resources resources;
    protected final Utils utils;

    /**
     * Keep track of which packages we have seen for
     * efficiency purposes.  We don't want to copy the
     * doc files multiple times for a single package.
     */
    protected final Set<PackageElement> containingPackagesSeen;

    /**
     * Construct a Builder.
     * @param c a context providing information used in this run of the doclet
     */
    public AbstractBuilder(Context c) {
        this.configuration = c.configuration;

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