/*
 * Copyright (c) 2003, 2017, 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 jdk.javadoc.internal.doclets.toolkit.builders;

import java.util.*;

import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;

import jdk.javadoc.internal.doclets.toolkit.Configuration;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.DocletException;
import jdk.javadoc.internal.doclets.toolkit.FieldWriter;
import jdk.javadoc.internal.doclets.toolkit.util.VisibleMemberMap;


Builds documentation for a field.
 
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.
Author:
Jamie Ho, Bhavesh Patel (Modified)/**
 * Builds documentation for a field.
 *
 *  <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)
 */
public class FieldBuilder extends AbstractMemberBuilder {

    
The class whose fields are being documented.
/**
     * The class whose fields are being documented.
     */
    private final TypeElement typeElement;

    
The visible fields for the given class.
/**
     * The visible fields for the given class.
     */
    private final VisibleMemberMap visibleMemberMap;

    
The writer to output the field documentation.
/**
     * The writer to output the field documentation.
     */
    private final FieldWriter writer;

    
The list of fields being documented.
/**
     * The list of fields being documented.
     */
    private final List<Element> fields;

    
The index of the current field that is being documented at this point
in time.
/**
     * The index of the current field that is being documented at this point
     * in time.
     */
    private VariableElement currentElement;

    
Construct a new FieldBuilder.
Params:
context –  the build context.
typeElement – the class whoses members are being documented.
writer – the doclet specific writer./**
     * Construct a new FieldBuilder.
     *
     * @param context  the build context.
     * @param typeElement the class whoses members are being documented.
     * @param writer the doclet specific writer.
     */
    private FieldBuilder(Context context,
            TypeElement typeElement,
            FieldWriter writer) {
        super(context);
        this.typeElement = typeElement;
        this.writer = writer;
        visibleMemberMap = configuration.getVisibleMemberMap(typeElement,
                VisibleMemberMap.Kind.FIELDS);
        fields = visibleMemberMap.getLeafMembers();
    }

    
Construct a new FieldBuilder.
Params:
context –  the build context.
typeElement – the class whoses members are being documented.
writer – the doclet specific writer.
Returns:
the new FieldBuilder/**
     * Construct a new FieldBuilder.
     *
     * @param context  the build context.
     * @param typeElement the class whoses members are being documented.
     * @param writer the doclet specific writer.
     * @return the new FieldBuilder
     */
    public static FieldBuilder getInstance(Context context,
            TypeElement typeElement,
            FieldWriter writer) {
        return new FieldBuilder(context, typeElement, writer);
    }

    
{@inheritDoc}
/**
     * {@inheritDoc}
     */
    @Override
    public String getName() {
        return "FieldDetails";
    }

    
Returns whether or not there are members to document.
Returns:
whether or not there are members to document/**
     * Returns whether or not there are members to document.
     *
     * @return whether or not there are members to document
     */
    @Override
    public boolean hasMembersToDocument() {
        return !fields.isEmpty();
    }

    
Build the field documentation.
Params:
node – the XML element that specifies which components to document
memberDetailsTree – the content tree to which the documentation will be added
Throws:
DocletException – if there is a problem while building the documentation/**
     * Build the field documentation.
     *
     * @param node the XML element that specifies which components to document
     * @param memberDetailsTree the content tree to which the documentation will be added
     * @throws DocletException if there is a problem while building the documentation
     */
    public void buildFieldDoc(XMLNode node, Content memberDetailsTree) throws DocletException {
        if (writer == null) {
            return;
        }
        if (!fields.isEmpty()) {
            Content fieldDetailsTree = writer.getFieldDetailsTreeHeader(typeElement, memberDetailsTree);

            Element lastElement = fields.get(fields.size() - 1);
            for (Element element : fields) {
                currentElement = (VariableElement)element;
                Content fieldDocTree = writer.getFieldDocTreeHeader(currentElement, fieldDetailsTree);
                buildChildren(node, fieldDocTree);
                fieldDetailsTree.addContent(writer.getFieldDoc(
                        fieldDocTree, currentElement == lastElement));
            }
            memberDetailsTree.addContent(
                    writer.getFieldDetails(fieldDetailsTree));
        }
    }

    
Build the signature.
Params:
node – the XML element that specifies which components to document
fieldDocTree – the content tree to which the documentation will be added/**
     * Build the signature.
     *
     * @param node the XML element that specifies which components to document
     * @param fieldDocTree the content tree to which the documentation will be added
     */
    public void buildSignature(XMLNode node, Content fieldDocTree) {
        fieldDocTree.addContent(writer.getSignature(currentElement));
    }

    
Build the deprecation information.
Params:
node – the XML element that specifies which components to document
fieldDocTree – the content tree to which the documentation will be added/**
     * Build the deprecation information.
     *
     * @param node the XML element that specifies which components to document
     * @param fieldDocTree the content tree to which the documentation will be added
     */
    public void buildDeprecationInfo(XMLNode node, Content fieldDocTree) {
        writer.addDeprecated(currentElement, fieldDocTree);
    }

    
Build the comments for the field. Do nothing if Configuration.nocomment is set to true. 
Params:
node – the XML element that specifies which components to document
fieldDocTree – the content tree to which the documentation will be added/**
     * Build the comments for the field.  Do nothing if
     * {@link Configuration#nocomment} is set to true.
     *
     * @param node the XML element that specifies which components to document
     * @param fieldDocTree the content tree to which the documentation will be added
     */
    public void buildFieldComments(XMLNode node, Content fieldDocTree) {
        if (!configuration.nocomment) {
            writer.addComments(currentElement, fieldDocTree);
        }
    }

    
Build the tag information.
Params:
node – the XML element that specifies which components to document
fieldDocTree – the content tree to which the documentation will be added/**
     * Build the tag information.
     *
     * @param node the XML element that specifies which components to document
     * @param fieldDocTree the content tree to which the documentation will be added
     */
    public void buildTagInfo(XMLNode node, Content fieldDocTree) {
        writer.addTags(currentElement, fieldDocTree);
    }

    
Return the field writer for this builder.
Returns:
the field writer for this builder./**
     * Return the field writer for this builder.
     *
     * @return the field writer for this builder.
     */
    public FieldWriter getWriter() {
        return writer;
    }
}