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 * 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

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package com.sun.tools.doclets.internal.toolkit.builders;

import java.util.*;

import com.sun.javadoc.*;

import com.sun.tools.doclets.internal.toolkit.*;

import com.sun.tools.doclets.internal.toolkit.util.*;

/**

 * Builds documentation for a method.

 *

 *  <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>

 *

 * @author Jamie Ho

 * @author Bhavesh Patel (Modified)

 * @since 1.5

 */

public class MethodBuilder extends AbstractMemberBuilder {

    /**

     * The index of the current field that is being documented at this point

     * in time.

     */

    private int currentMethodIndex;

    /**

     * The class whose methods are being documented.

     */

    private final ClassDoc classDoc;

    /**

     * The visible methods for the given class.

     */

    private final VisibleMemberMap visibleMemberMap;

    /**

     * The writer to output the method documentation.

     */

    private final MethodWriter writer;

    /**

     * The methods being documented.

     */

    private List<ProgramElementDoc> methods;

    /**

     * Construct a new MethodBuilder.

     *

     * @param context       the build context.

     * @param classDoc the class whoses members are being documented.

     * @param writer the doclet specific writer.

     */

    private MethodBuilder(Context context,

            ClassDoc classDoc,

            MethodWriter writer) {

        super(context);

        this.classDoc = classDoc;

        this.writer = writer;

        visibleMemberMap = new VisibleMemberMap(

                classDoc,

                VisibleMemberMap.METHODS,

                configuration);

        methods =

        if (configuration.getMemberComparator() != null) {

            Collections.sort(methods, configuration.getMemberComparator());

        }

    }

    /**

     * Construct a new MethodBuilder.

     *

     * @param context       the build context.

     * @param classDoc the class whoses members are being documented.

     * @param writer the doclet specific writer.

     *

     * @return an instance of a MethodBuilder.

     */

    public static MethodBuilder getInstance(Context context,

            ClassDoc classDoc, MethodWriter writer) {

        return new MethodBuilder(context, classDoc, writer);

    }

    /**

     * {@inheritDoc}

     */

    public String getName() {

        return "MethodDetails";

    }

    /**

     * Returns a list of methods that will be documented for the given class.

     * This information can be used for doclet specific documentation

     * generation.

     *

     * @param classDoc the {@link ClassDoc} we want to check.

     * @return a list of methods that will be documented.

     */

    public List<ProgramElementDoc> members(ClassDoc classDoc) {

        return visibleMemberMap.getMembersFor(classDoc);

    }

    /**

     * Returns the visible member map for the methods of this class.

     *

     * @return the visible member map for the methods of this class.

     */

    public VisibleMemberMap getVisibleMemberMap() {

        return visibleMemberMap;

    }

    /**

     * {@inheritDoc}

     */

    public boolean hasMembersToDocument() {

        return methods.size() > 0;

    }

    /**

     * Build the method documentation.

     *

     * @param node the XML element that specifies which components to document

     * @param memberDetailsTree the content tree to which the documentation will be added

     */

    public void buildMethodDoc(XMLNode node, Content memberDetailsTree) {

        if (writer == null) {

            return;

        }

        int size = methods.size();

        if (size > 0) {

            Content methodDetailsTree = writer.getMethodDetailsTreeHeader(

                    classDoc, memberDetailsTree);

            for (currentMethodIndex = 0; currentMethodIndex < size;

                    currentMethodIndex++) {

                Content methodDocTree = writer.getMethodDocTreeHeader(

                        (MethodDoc) methods.get(currentMethodIndex),

                        methodDetailsTree);

                buildChildren(node, methodDocTree);

                methodDetailsTree.addContent(writer.getMethodDoc(

                        methodDocTree, (currentMethodIndex == size - 1)));

            }

            memberDetailsTree.addContent(

                    writer.getMethodDetails(methodDetailsTree));

        }

    }

    /**

     * Build the signature.

     *

     * @param node the XML element that specifies which components to document

     * @param methodDocTree the content tree to which the documentation will be added

     */

    public void buildSignature(XMLNode node, Content methodDocTree) {

        methodDocTree.addContent(

                writer.getSignature((MethodDoc) methods.get(currentMethodIndex)));

    }

    /**

     * Build the deprecation information.

     *

     * @param node the XML element that specifies which components to document

     * @param methodDocTree the content tree to which the documentation will be added

     */

    public void buildDeprecationInfo(XMLNode node, Content methodDocTree) {

        writer.addDeprecated(

                (MethodDoc) methods.get(currentMethodIndex), methodDocTree);

    }

    /**

     * Build the comments for the method.  Do nothing if

     * {@link Configuration#nocomment} is set to true.

     *

     * @param node the XML element that specifies which components to document

     * @param methodDocTree the content tree to which the documentation will be added

     */

    public void buildMethodComments(XMLNode node, Content methodDocTree) {

        if (!configuration.nocomment) {

            MethodDoc method = (MethodDoc) methods.get(currentMethodIndex);

            if (method.inlineTags().length == 0) {

                DocFinder.Output docs = DocFinder.search(

                        new DocFinder.Input(method));

                method = docs.inlineTags != null && docs.inlineTags.length > 0 ?

                    (MethodDoc) docs.holder : method;

            }

            //NOTE:  When we fix the bug where ClassDoc.interfaceTypes() does

            //       not pass all implemented interfaces, holder will be the

            //       interface type.  For now, it is really the erasure.

            writer.addComments(method.containingClass(), method, methodDocTree);

        }

    }

    /**

     * Build the tag information.

     *

     * @param node the XML element that specifies which components to document

     * @param methodDocTree the content tree to which the documentation will be added

     */

    public void buildTagInfo(XMLNode node, Content methodDocTree) {

        writer.addTags((MethodDoc) methods.get(currentMethodIndex),

                methodDocTree);

    }

    /**

     * Return the method writer for this builder.

     *

     * @return the method writer for this builder.

     */

    public MethodWriter getWriter() {

        return writer;

    }

}