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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.BaseConfiguration;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.DocletException;
import jdk.javadoc.internal.doclets.toolkit.EnumConstantWriter;

import static jdk.javadoc.internal.doclets.toolkit.util.VisibleMemberTable.Kind.*;


Builds documentation for a enum constants.
 
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 enum constants.
 *
 *  <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 EnumConstantBuilder extends AbstractMemberBuilder {

    
The writer to output the enum constants documentation.

/**
     * The writer to output the enum constants documentation.
     */
    private final EnumConstantWriter writer;

    
The set of enum constants being documented.

/**
     * The set of enum constants being documented.
     */
    private final List<? extends Element> enumConstants;

    
The current enum constant that is being documented at this point
in time.

/**
     * The current enum constant that is being documented at this point
     * in time.
     */
    private VariableElement currentElement;

    
Construct a new EnumConstantsBuilder.

Params:
  • context –  the build context.
  • typeElement – the class whose members are being documented.
  • writer – the doclet specific writer.
/**
     * Construct a new EnumConstantsBuilder.
     *
     * @param context  the build context.
     * @param typeElement the class whose members are being documented.
     * @param writer the doclet specific writer.
     */
    private EnumConstantBuilder(Context context,
            TypeElement typeElement, EnumConstantWriter writer) {
        super(context, typeElement);
        this.writer = writer;
        enumConstants = getVisibleMembers(ENUM_CONSTANTS);
    }

    
Construct a new EnumConstantsBuilder.

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

    
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 !enumConstants.isEmpty();
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    public void build(Content contentTree) throws DocletException {
        buildEnumConstant(contentTree);
    }

    
Build the enum constant documentation.

Params:
  • memberDetailsTree – the content tree to which the documentation will be added
Throws:
/**
     * Build the enum constant documentation.
     *
     * @param memberDetailsTree the content tree to which the documentation will be added
     * @throws DocletException is there is a problem while building the documentation
     */
    protected void buildEnumConstant(Content memberDetailsTree) throws DocletException {
        if (writer == null) {
            return;
        }
        if (hasMembersToDocument()) {
            Content enumConstantsDetailsTree = writer.getEnumConstantsDetailsTreeHeader(typeElement,
                    memberDetailsTree);
            Element lastElement = enumConstants.get(enumConstants.size() - 1);
            for (Element enumConstant : enumConstants) {
                currentElement = (VariableElement)enumConstant;
                Content enumConstantsTree = writer.getEnumConstantsTreeHeader(currentElement,
                        enumConstantsDetailsTree);

                buildSignature(enumConstantsTree);
                buildDeprecationInfo(enumConstantsTree);
                buildEnumConstantComments(enumConstantsTree);
                buildTagInfo(enumConstantsTree);

                enumConstantsDetailsTree.addContent(writer.getEnumConstants(
                        enumConstantsTree, currentElement == lastElement));
            }
            memberDetailsTree.addContent(
                    writer.getEnumConstantsDetails(enumConstantsDetailsTree));
        }
    }

    
Build the signature.

Params:
  • enumConstantsTree – the content tree to which the documentation will be added
/**
     * Build the signature.
     *
     * @param enumConstantsTree the content tree to which the documentation will be added
     */
    protected void buildSignature(Content enumConstantsTree) {
        enumConstantsTree.addContent(writer.getSignature(currentElement));
    }

    
Build the deprecation information.

Params:
  • enumConstantsTree – the content tree to which the documentation will be added
/**
     * Build the deprecation information.
     *
     * @param enumConstantsTree the content tree to which the documentation will be added
     */
    protected void buildDeprecationInfo(Content enumConstantsTree) {
        writer.addDeprecated(currentElement, enumConstantsTree);
    }

    
Build the comments for the enum constant. Do nothing if BaseConfiguration.nocomment is set to true. 
Params:
  • enumConstantsTree – the content tree to which the documentation will be added
/**
     * Build the comments for the enum constant.  Do nothing if
     * {@link BaseConfiguration#nocomment} is set to true.
     *
     * @param enumConstantsTree the content tree to which the documentation will be added
     */
    protected void buildEnumConstantComments(Content enumConstantsTree) {
        if (!configuration.nocomment) {
            writer.addComments(currentElement, enumConstantsTree);
        }
    }

    
Build the tag information.

Params:
  • enumConstantsTree – the content tree to which the documentation will be added
/**
     * Build the tag information.
     *
     * @param enumConstantsTree the content tree to which the documentation will be added
     */
    protected void buildTagInfo(Content enumConstantsTree) {
        writer.addTags(currentElement, enumConstantsTree);
    }

    
Return the enum constant writer for this builder.

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