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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.FieldWriter;

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


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 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<? extends 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, typeElement);
        this.writer = writer;
        fields = getVisibleMembers(FIELDS);
    }

    
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);
    }

    
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();
    }

    
{@inheritDoc}

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

    
Build the field documentation.

Params:
  • memberDetailsTree – the content tree to which the documentation will be added
Throws:
/**
     * Build the field documentation.
     *
     * @param memberDetailsTree the content tree to which the documentation will be added
     * @throws DocletException if there is a problem while building the documentation
     */
    protected void buildFieldDoc(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);

                buildSignature(fieldDocTree);
                buildDeprecationInfo(fieldDocTree);
                buildFieldComments(fieldDocTree);
                buildTagInfo(fieldDocTree);

                fieldDetailsTree.addContent(writer.getFieldDoc(
                        fieldDocTree, currentElement == lastElement));
            }
            memberDetailsTree.addContent(
                    writer.getFieldDetails(fieldDetailsTree));
        }
    }

    
Build the signature.

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

    
Build the deprecation information.

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

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

    
Build the tag information.

Params:
  • fieldDocTree – the content tree to which the documentation will be added
/**
     * Build the tag information.
     *
     * @param fieldDocTree the content tree to which the documentation will be added
     */
    protected void buildTagInfo(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;
    }
}