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Java wrapper for the official MyAnimeList API
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/*
* Copyright (C) 2024 Katsute
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package dev.katsute.mal4j;
import dev.katsute.mal4j.APIStruct.Response;
import dev.katsute.mal4j.anime.Anime;
import dev.katsute.mal4j.anime.AnimeListStatus;
import dev.katsute.mal4j.anime.AnimeRanking;
import dev.katsute.mal4j.anime.property.AnimeRankingType;
import dev.katsute.mal4j.anime.property.time.Season;
import dev.katsute.mal4j.character.Character;
import dev.katsute.mal4j.exception.ExperimentalFeatureException;
import dev.katsute.mal4j.exception.HttpException;
import dev.katsute.mal4j.exception.InvalidTokenException;
import dev.katsute.mal4j.forum.ForumCategory;
import dev.katsute.mal4j.forum.ForumTopic;
import dev.katsute.mal4j.forum.ForumTopicDetail;
import dev.katsute.mal4j.forum.Post;
import dev.katsute.mal4j.manga.Manga;
import dev.katsute.mal4j.manga.MangaListStatus;
import dev.katsute.mal4j.manga.MangaRanking;
import dev.katsute.mal4j.manga.property.MangaRankingType;
import dev.katsute.mal4j.people.Person;
import dev.katsute.mal4j.property.ExperimentalFeature;
import dev.katsute.mal4j.query.*;
import dev.katsute.mal4j.user.User;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.HttpURLConnection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;
import java.util.regex.Pattern;
import static dev.katsute.mal4j.Json.*;
import static dev.katsute.mal4j.MyAnimeListSchema_Anime.*;
import static dev.katsute.mal4j.MyAnimeListSchema_Character.*;
import static dev.katsute.mal4j.MyAnimeListSchema_Forum.*;
import static dev.katsute.mal4j.MyAnimeListSchema_Manga.*;
import static dev.katsute.mal4j.MyAnimeListSchema_People.*;
import static dev.katsute.mal4j.MyAnimeListSchema_User.*;
final class MyAnimeListImpl extends MyAnimeList {
private transient String token = null;
private transient String client_id = null;
private final boolean isTokenAuth;
private MyAnimeListAuthenticator authenticator;
private final MyAnimeListService service = MyAnimeListService.create();
MyAnimeListImpl(final String token_or_client, final boolean isToken){
Objects.requireNonNull(token_or_client, (isToken ? "OAuth token" : "Client ID") + " can not be null");
this.isTokenAuth = isToken;
if(isToken){
if(!token_or_client.startsWith("Bearer "))
throw new InvalidTokenException("OAuth token should start with 'Bearer'");
this.token = token_or_client;
}else
this.client_id = token_or_client;
Logging.addMask(token_or_client);
}
MyAnimeListImpl(final MyAnimeListAuthenticator authenticator){
Objects.requireNonNull(authenticator, "Authenticator cannot be null");
this.authenticator = authenticator;
this.token = authenticator.getAccessToken().getToken();
this.isTokenAuth = true;
}
@Override
public synchronized final void refreshToken(){
if(authenticator == null)
throw new UnsupportedOperationException("OAuth token refresh can only be used with authorization");
this.token = authenticator.refreshAccessToken().getToken();
}
// experimental features
// features that are no longer experimental (make sure to deprecate)
@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
private final List nativeFeatures = Arrays.asList();
// experimental features that are enabled
private final List enabledFeatures = new ArrayList<>();
@SuppressWarnings("SameParameterValue")
final void checkExperimentalFeatureEnabled(final ExperimentalFeature feature){
if(nativeFeatures.contains(feature) || enabledFeatures.contains(feature) || enabledFeatures.contains(ExperimentalFeature.ALL))
return;
throw new ExperimentalFeatureException("The feature " + feature.name() + " is an experimental feature and must be enabled using the enableExperimentalFeature method");
}
@Override
public final void enableExperimentalFeature(final ExperimentalFeature feature){
if(nativeFeatures.contains(feature))
Logging.getLogger().warning("The feature " + feature.name() + " is no longer an experimental feature, you do not have to enable it anymore");
else if(!enabledFeatures.contains(feature))
enabledFeatures.add(feature);
}
final void clearExperimentalFeatures(){
enabledFeatures.clear();
}
// provider
@Override
public final AnimeSearchQuery getAnime(){
return new AnimeSearchQuery(){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getAnime(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
query,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
)
);
if(response == null) return null;
final List anime = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
anime.add(asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node")));
return anime;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getAnime(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
query,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
),
iterator -> asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node"))
);
}
};
}
@Override
public final Anime getAnime(final long id){
return getAnime(id, (String[]) null);
}
@Override
public final Anime getAnime(final long id, final String... fields){
return asAnime(this, getAnimeSchema(id, fields));
}
final JsonObject getAnimeSchema(final long id, final String... fields){
return handleResponse(
() -> service.getAnime(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
convertFields(Fields.anime, fields)
)
);
}
@Override
public final AnimeCharacterQuery getAnimeCharacters(final long id){
checkExperimentalFeatureEnabled(ExperimentalFeature.CHARACTERS);
return new AnimeCharacterQuery(){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getAnimeCharacters(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
limit,
offset,
convertFields(Fields.character, fields)
)
);
if(response == null) return null;
final List characters = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
characters.add(MyAnimeListSchema_Character.asCharacter(MyAnimeListImpl.this, iterator.getJsonObject("node")));
return characters;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getAnimeCharacters(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
limit,
offset,
convertFields(Fields.character, fields)
),
iterator -> MyAnimeListSchema_Character.asCharacter(MyAnimeListImpl.this, iterator.getJsonObject("node"))
);
}
};
}
@Override
public final AnimeRankingQuery getAnimeRanking(final AnimeRankingType rankingType){
return getAnimeRanking(Objects.requireNonNull(rankingType, "Ranking type cannot be null").field());
}
@Override
public final AnimeRankingQuery getAnimeRanking(final String rankingType){
return new AnimeRankingQuery(Objects.requireNonNull(rankingType, "Ranking type cannot be null")){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getAnimeRanking(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
rankingType,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
)
);
if(response == null) return null;
final List anime = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
anime.add(asAnimeRanking(MyAnimeListImpl.this, iterator));
return anime;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getAnimeRanking(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
rankingType,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
),
iterator -> asAnimeRanking(MyAnimeListImpl.this, iterator)
);
}
};
}
@Override
public final AnimeSeasonQuery getAnimeSeason(final int year, final Season season){
return new AnimeSeasonQuery(year, Objects.requireNonNull(season, "Season cannot be null")){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getAnimeSeason(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
year,
season.field(),
sort,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
)
);
if(response == null) return null;
final List anime = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
anime.add(asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node")));
return anime;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getAnimeSeason(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
year,
season.field(),
sort,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
),
iterator -> asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node"))
);
}
};
}
@Override
public final AnimeSuggestionQuery getAnimeSuggestions(){
return new AnimeSuggestionQuery(){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getAnimeSuggestions(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create a MyAnimeList object with either an Authenticator or Token"),
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
)
);
if(response == null) return null;
final List anime = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
anime.add(asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node")));
return anime;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getAnimeSuggestions(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create MyAnimeList object with either an Authenticator or Token"),
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
),
iterator -> asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node"))
);
}
};
}
@Override
public final AnimeListUpdate updateAnimeListing(final long id){
return new AnimeListUpdate(id){
@Override
public synchronized final AnimeListStatus update(){
final JsonObject response = handleResponse(
() -> service.updateAnimeListing(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create MyAnimeList object with either an Authenticator or Token"),
id,
status,
rewatching,
score,
MyAnimeListSchema.asYMD(startDate),
MyAnimeListSchema.asYMD(finishDate),
watchedEpisodes,
priority,
timesRewatched,
rewatchValue,
toCommaSeparatedString(tags),
comments
)
);
if(response == null) return null;
return asAnimeListStatus(MyAnimeListImpl.this, response, id);
}
};
}
@Override
public synchronized final void deleteAnimeListing(final long id){
try{
handleVoidResponse(
() -> service.deleteAnimeListing(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create MyAnimeList object with either an Authenticator or Token"),
(int) id
)
);
}catch(final HttpException e){
if(e.code() != 404)
throw e;
}
}
@Override
public final UserAnimeListQuery getUserAnimeListing(){
return getUserAnimeListing("@me");
}
@Override
public final UserAnimeListQuery getUserAnimeListing(final String username){
return new UserAnimeListQuery(Objects.requireNonNull(username, "Username cannot be null" )){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getUserAnimeListing(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
username.equals("@me") ? "@me" : APICall.encodeUTF8(username),
status,
sort,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
)
);
if(response == null) return null;
final List anime = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
anime.add(asAnimeListStatus(MyAnimeListImpl.this, iterator.getJsonObject("list_status"), asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node"))));
return anime;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getUserAnimeListing(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
username.equals("@me") ? "@me" : APICall.encodeUTF8(username),
status,
sort,
limit,
offset,
convertFields(Fields.anime, fields),
nsfw
),
iterator -> asAnimeListStatus(MyAnimeListImpl.this, iterator.getJsonObject("list_status"), asAnime(MyAnimeListImpl.this, iterator.getJsonObject("node")))
);
}
};
}
@Override
public final Character getCharacter(final long id){
return getCharacter(id, (String[]) null);
}
@Override
public final Character getCharacter(final long id, final String... fields){
checkExperimentalFeatureEnabled(ExperimentalFeature.CHARACTERS);
return asCharacter(MyAnimeListImpl.this, getCharacterSchema(id, fields));
}
final JsonObject getCharacterSchema(final long id, final String... fields){
return handleResponse(
() -> service.getCharacter(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
convertFields(Fields.character, fields)
)
);
}
@Override
public final List getForumBoards(){
final JsonObject response = handleResponse(
() -> service.getForumBoards(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null
)
);
if(response == null) return null;
final List categories = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("categories");
if(arr == null) return null;
for(final JsonObject iterator : arr)
categories.add(asForumCategory(MyAnimeListImpl.this, iterator));
return categories;
}
@Override
public final ForumTopicDetail getForumTopicDetail(final long id){
return getForumTopicDetail(id, null, null);
}
@Override
public final ForumTopicDetail getForumTopicDetail(final long id, final Integer limit){
return getForumTopicDetail(id, limit, null);
}
@Override
public final ForumTopicDetail getForumTopicDetail(final long id, final Integer limit, final Integer offset){
final JsonObject response = handleResponse(
() -> service.getForumBoard(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
limit,
offset
)
);
return response != null ? asForumTopic(MyAnimeListImpl.this, response.getJsonObject("data"), id) : null;
}
@Override
public final ForumTopicDetailPostQuery getForumTopicDetailPostQuery(final long id){
return new ForumTopicDetailPostQuery(){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getForumBoard(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
limit,
offset
)
);
if(response == null) return null;
final List posts = new ArrayList<>();
final JsonObject[] arr = response.getJsonObject("data").getJsonArray("posts");
if(arr == null) return null;
for(final JsonObject iterator : arr)
posts.add(asPost(MyAnimeListImpl.this, iterator, id));
return posts;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getForumBoard(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
limit,
offset
),
iterator -> asPost(MyAnimeListImpl.this, iterator, id)
);
}
};
}
@Override
public final ForumSearchQuery getForumTopics(){
return new ForumSearchQuery(){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getForumTopics(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
boardId,
subboardId,
limit,
offset,
sort.field(),
query,
topicUsername,
username
)
);
if(response == null) return null;
final List topics = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
topics.add(asForumTopicDetail(MyAnimeListImpl.this, iterator, boardId, subboardId));
return topics;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getForumTopics(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
boardId,
subboardId,
limit,
offset,
sort.field(),
query,
topicUsername,
username
),
iterator -> asForumTopicDetail(MyAnimeListImpl.this, iterator, boardId, subboardId)
);
}
};
}
@Override
public final MangaSearchQuery getManga(){
return new MangaSearchQuery(){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getManga(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
query,
limit,
offset,
convertFields(Fields.manga, fields),
nsfw
)
);
if(response == null) return null;
final List manga = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
manga.add(asManga(MyAnimeListImpl.this, iterator.getJsonObject("node")));
return manga;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getManga(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
query,
limit,
offset,
convertFields(Fields.manga, fields),
nsfw
),
iterator -> asManga(MyAnimeListImpl.this, iterator.getJsonObject("node"))
);
}
};
}
@Override
public final Manga getManga(final long id){
return getManga(id, (String[]) null);
}
@Override
public final Manga getManga(final long id, final String... fields){
return asManga(this, getMangaSchema(id, fields));
}
final JsonObject getMangaSchema(final long id, final String... fields){
return handleResponse(
() -> service.getManga(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
convertFields(Fields.manga, fields)
)
);
}
@Override
public final MangaRankingQuery getMangaRanking(final MangaRankingType rankingType){
return getMangaRanking(Objects.requireNonNull(rankingType, "Ranking type cannot be null").field());
}
@Override
public final MangaRankingQuery getMangaRanking(final String rankingType){
return new MangaRankingQuery(Objects.requireNonNull(rankingType, "Ranking type cannot be null")){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getMangaRanking(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
rankingType,
limit,
offset,
convertFields(Fields.manga, fields),
nsfw
)
);
if(response == null) return null;
final List manga = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
manga.add(asMangaRanking(MyAnimeListImpl.this, iterator));
return manga;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getMangaRanking(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
rankingType,
limit,
offset,
convertFields(Fields.manga, fields),
nsfw
),
iterator -> asMangaRanking(MyAnimeListImpl.this, iterator)
);
}
};
}
@Override
public final MangaListUpdate updateMangaListing(final long id){
return new MangaListUpdate(id){
@Override
public synchronized final MangaListStatus update(){
final JsonObject response = handleResponse(
() -> service.updateMangaListing(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create MyAnimeList object with either an Authenticator or Token"),
id,
status,
rereading,
score,
MyAnimeListSchema.asYMD(startDate),
MyAnimeListSchema.asYMD(finishDate),
volumesRead,
chaptersRead,
priority,
timesReread,
rereadValue,
toCommaSeparatedString(tags),
comments
)
);
if(response == null) return null;
return asMangaListStatus(MyAnimeListImpl.this, response, id);
}
};
}
@Override
public synchronized final void deleteMangaListing(final long id){
try{
handleVoidResponse(
() -> service.deleteMangaListing(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create MyAnimeList object with either an Authenticator or Token"),
id
)
);
}catch(final HttpException e){
if(e.code() != 404)
throw e;
}
}
@Override
public final UserMangaListQuery getUserMangaListing(){
return getUserMangaListing("@me");
}
@Override
public final UserMangaListQuery getUserMangaListing(final String username){
return new UserMangaListQuery(Objects.requireNonNull(username, "Username cannot be null")){
@Override
public final List search(){
final JsonObject response = handleResponse(
() -> service.getUserMangaListing(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
username.equals("@me") ? "@me" : APICall.encodeUTF8(username),
status,
sort,
limit,
offset,
convertFields(Fields.manga, fields),
nsfw
)
);
if(response == null) return null;
final List manga = new ArrayList<>();
final JsonObject[] arr = response.getJsonArray("data");
if(arr == null) return null;
for(final JsonObject iterator : arr)
manga.add(asMangaListStatus(MyAnimeListImpl.this, iterator.getJsonObject("list_status"), asManga(MyAnimeListImpl.this, iterator.getJsonObject("node"))));
return manga;
}
@Override
public final PaginatedIterator searchAll(){
return new PagedIterator<>(
offset,
offset -> service.getUserMangaListing(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
username.equals("@me") ? "@me" : APICall.encodeUTF8(username),
status,
sort,
limit,
offset,
convertFields(Fields.manga, fields),
nsfw
),
iterator -> asMangaListStatus(MyAnimeListImpl.this, iterator.getJsonObject("list_status"), asManga(MyAnimeListImpl.this, iterator.getJsonObject("node")))
);
}
};
}
@Override
public final Person getPerson(final long id){
return getPerson(id, (String[]) null);
}
@Override
public final Person getPerson(final long id, final String... fields){
checkExperimentalFeatureEnabled(ExperimentalFeature.PEOPLE);
return asPerson(this, handleResponse(
() -> service.getPerson(
isTokenAuth ? token : null,
!isTokenAuth ? client_id : null,
id,
convertFields(Fields.people, fields)
)
));
}
@Override
public final User getAuthenticatedUser(){
return getUser("@me", (String[]) null);
}
@Override
public final User getAuthenticatedUser(final String... fields){
return getUser("@me", fields);
}
@Override
public final User getUser(final String username){
return getUser(username, (String[]) null);
}
@Override
public final User getUser(final String username, final String... fields){
Objects.requireNonNull(username, "Username cannot be null");
return asUser(this, handleResponse(
() -> service.getUser(
Objects.requireNonNull(token, "Client ID not supported for this endpoint, create MyAnimeList object with either an Authenticator or Token"),
username.equals("@me") ? "@me" : APICall.encodeUTF8(username),
convertFields(Fields.user, fields)
)
));
}
// handle response
private static void handleVoidResponse(final ExceptionSupplier,IOException> supplier){
handleResponseCodes(supplier);
}
private static JsonObject handleResponse(final ExceptionSupplier,IOException> supplier){
final Response response = handleResponseCodes(supplier);
return response.code() == HttpURLConnection.HTTP_OK ? (JsonObject) response.body() : null;
}
private static Response handleResponseCodes(final ExceptionSupplier,IOException> supplier){
try{
final Response response = supplier.get();
switch(response.code()){
case HttpURLConnection.HTTP_OK:
return response;
case HttpURLConnection.HTTP_UNAUTHORIZED:
throw new InvalidTokenException("The OAuth token provided is either invalid or expired");
default:
try{
throw new HttpException(response.URL(), response.code(), (((JsonObject) response.body()).getString("message") + ' ' + ((JsonObject) response.body()).getString("error")).trim());
}catch(final Throwable ignored){
throw new HttpException(response.URL(), response.code(), response.raw());
}
}
}catch(final IOException e){ // client side failure
throw new UncheckedIOException(e);
}
}
private interface ExceptionSupplier{
T get() throws E;
}
@Override
public final String toString(){
return "MyAnimeList{" +
"authenticator=" + authenticator +
", service=" + service +
'}';
}
// iterator
private static class PagedIterator extends PaginatedIterator {
private final Function> fullPageSupplier;
private final Function listAdapter;
private final AtomicReference nextOffset = new AtomicReference<>();
private JsonObject nextPage = null; // pre-fetch next page #404
PagedIterator(
final Integer offset,
final Function> fullPageSupplier,
final Function listAdapter
){
this.fullPageSupplier = fullPageSupplier;
this.listAdapter = listAdapter;
// handle first page
nextOffset.set(offset);
list = getNextPage();
size = list == null ? 0 : list.size();
}
@Override
final boolean hasNextPage(){
return nextOffset.get() != -1;
}
@SuppressWarnings("DataFlowIssue")
@Override
synchronized final List getNextPage(){
// use pre-fetched next page or fetch the first page
final JsonObject response = nextPage != null ? nextPage : handleResponse(() -> fullPageSupplier.apply(nextOffset.get()));
if(response == null){
nextOffset.set(-1);
return null;
}
// convert response to list
final List list = new ArrayList<>();
for(final JsonObject data :
response.get("data") instanceof JsonObject && response.getJsonObject("data").containsKey("posts") // post iterator support
? response.getJsonObject("data").getJsonArray("posts")
: response.getJsonArray("data")
)
list.add(listAdapter.apply(data));
// handle next offset
if(response.getJsonObject("paging").containsKey("next")){
final Integer b4 = nextOffset.get();
nextOffset.set((b4 == null ? 0 : b4) + list.size());
// peek into next page #404
nextPage = handleResponse(() -> fullPageSupplier.apply(nextOffset.get()));
if( // check if next page actually has any content
(nextPage.get("data") instanceof JsonObject && nextPage.getJsonObject("data").containsKey("posts") // post iterator support
? nextPage.getJsonObject("data").getJsonArray("posts")
: nextPage.getJsonArray("data"))
.length > 0
)
return list;
}
// last page
nextPage = null;
nextOffset.set(-1);
return list;
}
}
// formatter
private static String toCommaSeparatedString(final List fields){
return toCommaSeparatedString(fields == null ? null : fields.toArray(new String[0]));
}
private static String toCommaSeparatedString(final String... fields){
if(fields != null){
if(fields.length == 0) return ""; // return blank for empty array
final StringBuilder SB = new StringBuilder();
for(final String field : fields)
if(field.trim().length() > 0)
SB.append(field).append(',');
return SB.toString().endsWith(",") ? SB.deleteCharAt(SB.length()-1).toString() : "";
}
return null;
}
private static final String inverted = "^%s$|^%s(?=,)|(?<=\\w)\\{%s}|(?:^|,)%s\\{.*?}|,%s|(?<=\\{)%s,";
private static String convertFields(final String defaultFields, final List fields){
return convertFields(defaultFields, fields == null ? null : fields.toArray(new String[0]));
}
/**
* Converts field array to comma separated string
*
* @param defaultFields default fields
* @param fields fields
* @return comma separated fields
*/
private static String convertFields(final String defaultFields, final String... fields){
if(fields == null || (fields.length == 1 && fields[0].equals(Fields.INVERTED)))
return defaultFields;
else if(fields.length == 0)
return "";
boolean inverted = false;
for(final String field : fields){
if(field.equals(Fields.INVERTED)){
inverted = true;
break;
}
}
if(!inverted){
return toCommaSeparatedString(fields);
}else{
String buffer = defaultFields;
for(final String field : fields) // remove fields that are specified
buffer = buffer.replaceAll(MyAnimeListImpl.inverted.replace("%s", Pattern.quote(field)), "");
return buffer;
}
}
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