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package jdk.javadoc.internal.doclets.toolkit.util;

import java.util.*;

import javax.lang.model.element.Element;
import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;

import jdk.javadoc.internal.doclets.toolkit.Configuration;

Build list of all the deprecated packages, classes, constructors, fields and methods.
 
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:
Atul M Dambalkar/**
 * Build list of all the deprecated packages, classes, constructors, fields and methods.
 *
 *  <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 Atul M Dambalkar
 */
public class DeprecatedAPIListBuilder {
    
List of deprecated type Lists.
/**
     * List of deprecated type Lists.
     */
    private final Map<DeprElementKind, SortedSet<Element>> deprecatedMap;
    private final Configuration configuration;
    private final Utils utils;
    public static enum DeprElementKind {
        REMOVAL,
        MODULE,
        PACKAGE,
        INTERFACE,
        CLASS,
        ENUM,
        EXCEPTION,              // no ElementKind mapping
        ERROR,                  // no ElementKind mapping
        ANNOTATION_TYPE,
        FIELD,
        METHOD,
        CONSTRUCTOR,
        ENUM_CONSTANT,
        ANNOTATION_TYPE_MEMBER // no ElementKind mapping
    };
    
Constructor.
Params:
configuration – the current configuration of the doclet/**
     * Constructor.
     *
     * @param configuration the current configuration of the doclet
     */
    public DeprecatedAPIListBuilder(Configuration configuration) {
        this.configuration = configuration;
        this.utils = configuration.utils;
        deprecatedMap = new EnumMap<>(DeprElementKind.class);
        for (DeprElementKind kind : DeprElementKind.values()) {
            deprecatedMap.put(kind,
                    new TreeSet<>(utils.makeGeneralPurposeComparator()));
        }
        buildDeprecatedAPIInfo();
    }

    
Build the sorted list of all the deprecated APIs in this run.
Build separate lists for deprecated modules, packages, classes, constructors,
methods and fields.
Params:
configuration – the current configuration of the doclet./**
     * Build the sorted list of all the deprecated APIs in this run.
     * Build separate lists for deprecated modules, packages, classes, constructors,
     * methods and fields.
     *
     * @param configuration the current configuration of the doclet.
     */
    private void buildDeprecatedAPIInfo() {
        SortedSet<Element> rset = deprecatedMap.get(DeprElementKind.REMOVAL);
        SortedSet<ModuleElement> modules = configuration.modules;
        SortedSet<Element> mset = deprecatedMap.get(DeprElementKind.MODULE);
        for (Element me : modules) {
            if (utils.isDeprecatedForRemoval(me)) {
                rset.add(me);
            }
            if (utils.isDeprecated(me)) {
                mset.add(me);
            }
        }
        SortedSet<PackageElement> packages = configuration.packages;
        SortedSet<Element> pset = deprecatedMap.get(DeprElementKind.PACKAGE);
        for (Element pe : packages) {
            if (utils.isDeprecatedForRemoval(pe)) {
                rset.add(pe);
            }
            if (utils.isDeprecated(pe)) {
                pset.add(pe);
            }
        }
        for (Element e : configuration.getIncludedTypeElements()) {
            TypeElement te = (TypeElement)e;
            SortedSet<Element> eset;
            if (utils.isDeprecatedForRemoval(e)) {
                rset.add(e);
            }
            if (utils.isDeprecated(e)) {
                switch (e.getKind()) {
                    case ANNOTATION_TYPE:
                        eset = deprecatedMap.get(DeprElementKind.ANNOTATION_TYPE);
                        eset.add(e);
                        break;
                    case CLASS:
                        if (utils.isError(te)) {
                            eset = deprecatedMap.get(DeprElementKind.ERROR);
                        } else if (utils.isException(te)) {
                            eset = deprecatedMap.get(DeprElementKind.EXCEPTION);
                        } else {
                            eset = deprecatedMap.get(DeprElementKind.CLASS);
                        }
                        eset.add(e);
                        break;
                    case INTERFACE:
                        eset = deprecatedMap.get(DeprElementKind.INTERFACE);
                        eset.add(e);
                        break;
                    case ENUM:
                        eset = deprecatedMap.get(DeprElementKind.ENUM);
                        eset.add(e);
                        break;
                }
            }
            composeDeprecatedList(rset, deprecatedMap.get(DeprElementKind.FIELD),
                    utils.getFields(te));
            composeDeprecatedList(rset, deprecatedMap.get(DeprElementKind.METHOD),
                    utils.getMethods(te));
            composeDeprecatedList(rset, deprecatedMap.get(DeprElementKind.CONSTRUCTOR),
                    utils.getConstructors(te));
            if (utils.isEnum(e)) {
                composeDeprecatedList(rset, deprecatedMap.get(DeprElementKind.ENUM_CONSTANT),
                        utils.getEnumConstants(te));
            }
            if (utils.isAnnotationType(e)) {
                composeDeprecatedList(rset, deprecatedMap.get(DeprElementKind.ANNOTATION_TYPE_MEMBER),
                        utils.getAnnotationMembers(te));

            }
        }
    }

    
Add the members into a single list of deprecated members.
Params:
rset – set of elements deprecated for removal.
sset – set of deprecated elements.
list – List of all the particular deprecated members, e.g. methods.
members – members to be added in the list./**
     * Add the members into a single list of deprecated members.
     *
     * @param rset set of elements deprecated for removal.
     * @param sset set of deprecated elements.
     * @param list List of all the particular deprecated members, e.g. methods.
     * @param members members to be added in the list.
     */
    private void composeDeprecatedList(SortedSet<Element> rset, SortedSet<Element> sset, List<? extends Element> members) {
        for (Element member : members) {
            if (utils.isDeprecatedForRemoval(member)) {
                rset.add(member);
            }
            if (utils.isDeprecated(member)) {
                sset.add(member);
            }
        }
    }

    
Return the list of deprecated elements of a given type.
Params:
kind – the DeprElementKind
Returns:
/**
     * Return the list of deprecated elements of a given type.
     *
     * @param kind the DeprElementKind
     * @return
     */
    public SortedSet<Element> getSet(DeprElementKind kind) {
        return deprecatedMap.get(kind);
    }

    
Return true if the list of a given type has size greater than 0.
Params:
type – the type of list being checked./**
     * Return true if the list of a given type has size greater than 0.
     *
     * @param type the type of list being checked.
     */
    public boolean hasDocumentation(DeprElementKind kind) {
        return !deprecatedMap.get(kind).isEmpty();
    }
}