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NewPipe-app-android
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Code Issues Releases Wiki Activity

refactor ExtractionHelper using lambda expression

This commit is contained in:
Christian Schabesberger 2018-01-20 13:57:31 +01:00
parent 5f26501ddf
commit eb4b3810e9
1 changed files with 79 additions and 88 deletions
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165
app/src/main/java/org/schabi/newpipe/util/ExtractorHelper.java
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@ -57,105 +57,96 @@ public final class ExtractorHelper {
}
}
public static Single<SearchResult> searchFor(final int serviceId, final String query, final int pageNumber, final String contentCountry, final SearchEngine.Filter filter) {
public static Single<SearchResult> searchFor(final int serviceId,
final String query,
final int pageNumber,
final String contentCountry,
final SearchEngine.Filter filter) {
checkServiceId(serviceId);
return Single.fromCallable(new Callable<SearchResult>() {
@Override
public SearchResult call() throws Exception {
return SearchResult.getSearchResult(NewPipe.getService(serviceId).getSearchEngine(),
query, pageNumber, contentCountry, filter);
}
});
return Single.fromCallable(() ->
SearchResult.getSearchResult(NewPipe.getService(serviceId).getSearchEngine(),
query, pageNumber, contentCountry, filter)
);
}
public static Single<NextItemsResult> getMoreSearchItems(final int serviceId, final String query, final int nextPageNumber, final String searchLanguage, final SearchEngine.Filter filter) {
public static Single<NextItemsResult> getMoreSearchItems(final int serviceId,
final String query,
final int nextPageNumber,
final String searchLanguage,
final SearchEngine.Filter filter) {
checkServiceId(serviceId);
return searchFor(serviceId, query, nextPageNumber, searchLanguage, filter)
.map(new Function<SearchResult, NextItemsResult>() {
@Override
public NextItemsResult apply(@NonNull SearchResult searchResult) throws Exception {
return new NextItemsResult(searchResult.resultList, nextPageNumber + "", searchResult.errors);
}
});
.map((@NonNull SearchResult searchResult) ->
new NextItemsResult(searchResult.resultList,
nextPageNumber + "",
searchResult.errors));
}
public static Single<List<String>> suggestionsFor(final int serviceId, final String query, final String contentCountry) {
public static Single<List<String>> suggestionsFor(final int serviceId,
final String query,
final String contentCountry) {
checkServiceId(serviceId);
return Single.fromCallable(new Callable<List<String>>() {
@Override
public List<String> call() throws Exception {
return NewPipe.getService(serviceId).getSuggestionExtractor().suggestionList(query, contentCountry);
}
});
return Single.fromCallable(() ->
NewPipe.getService(serviceId)
.getSuggestionExtractor()
.suggestionList(query, contentCountry));
}
public static Single<StreamInfo> getStreamInfo(final int serviceId, final String url, boolean forceLoad) {
public static Single<StreamInfo> getStreamInfo(final int serviceId,
final String url,
boolean forceLoad) {
checkServiceId(serviceId);
return checkCache(forceLoad, serviceId, url, Single.fromCallable(new Callable<StreamInfo>() {
@Override
public StreamInfo call() throws Exception {
return StreamInfo.getInfo(NewPipe.getService(serviceId), url);
}
}));
return checkCache(forceLoad, serviceId, url, Single.fromCallable(() ->
StreamInfo.getInfo(NewPipe.getService(serviceId), url)));
}
public static Single<ChannelInfo> getChannelInfo(final int serviceId, final String url, boolean forceLoad) {
public static Single<ChannelInfo> getChannelInfo(final int serviceId,
final String url,
boolean forceLoad) {
checkServiceId(serviceId);
return checkCache(forceLoad, serviceId, url, Single.fromCallable(new Callable<ChannelInfo>() {
@Override
public ChannelInfo call() throws Exception {
return ChannelInfo.getInfo(NewPipe.getService(serviceId), url);
}
}));
return checkCache(forceLoad, serviceId, url, Single.fromCallable(() ->
ChannelInfo.getInfo(NewPipe.getService(serviceId), url)));
}
public static Single<NextItemsResult> getMoreChannelItems(final int serviceId, final String url, final String nextStreamsUrl) {
public static Single<NextItemsResult> getMoreChannelItems(final int serviceId,
final String url,
final String nextStreamsUrl) {
checkServiceId(serviceId);
return Single.fromCallable(new Callable<NextItemsResult>() {
@Override
public NextItemsResult call() throws Exception {
return ChannelInfo.getMoreItems(NewPipe.getService(serviceId), url, nextStreamsUrl);
}
});
return Single.fromCallable(() ->
ChannelInfo.getMoreItems(NewPipe.getService(serviceId), url, nextStreamsUrl));
}
public static Single<PlaylistInfo> getPlaylistInfo(final int serviceId, final String url, boolean forceLoad) {
public static Single<PlaylistInfo> getPlaylistInfo(final int serviceId,
final String url,
boolean forceLoad) {
checkServiceId(serviceId);
return checkCache(forceLoad, serviceId, url, Single.fromCallable(new Callable<PlaylistInfo>() {
@Override
public PlaylistInfo call() throws Exception {
return PlaylistInfo.getInfo(NewPipe.getService(serviceId), url);
}
}));
return checkCache(forceLoad, serviceId, url, Single.fromCallable(() ->
PlaylistInfo.getInfo(NewPipe.getService(serviceId), url)));
}
public static Single<NextItemsResult> getMorePlaylistItems(final int serviceId, final String url, final String nextStreamsUrl) {
public static Single<NextItemsResult> getMorePlaylistItems(final int serviceId,
final String url,
final String nextStreamsUrl) {
checkServiceId(serviceId);
return Single.fromCallable(new Callable<NextItemsResult>() {
@Override
public NextItemsResult call() throws Exception {
return PlaylistInfo.getMoreItems(NewPipe.getService(serviceId), url, nextStreamsUrl);
}
});
return Single.fromCallable(() ->
PlaylistInfo.getMoreItems(NewPipe.getService(serviceId), url, nextStreamsUrl));
}
public static Single<KioskInfo> getKioskInfo(final int serviceId, final String url, final String contentCountry, boolean forceLoad) {
return checkCache(forceLoad, serviceId, url, Single.fromCallable(new Callable<KioskInfo>() {
@Override
public KioskInfo call() throws Exception {
Log.e("---------", contentCountry);
return KioskInfo.getInfo(NewPipe.getService(serviceId), url, contentCountry);
}
}));
public static Single<KioskInfo> getKioskInfo(final int serviceId,
final String url,
final String contentCountry,
boolean forceLoad) {
return checkCache(forceLoad, serviceId, url, Single.fromCallable(() ->
KioskInfo.getInfo(NewPipe.getService(serviceId), url, contentCountry)));
}
public static Single<NextItemsResult> getMoreKioskItems(final int serviceId, final String url, final String nextStreamsUrl, final String contentCountry) {
return Single.fromCallable(new Callable<NextItemsResult>() {
@Override
public NextItemsResult call() throws Exception {
return KioskInfo.getMoreItems(NewPipe.getService(serviceId), url, nextStreamsUrl, contentCountry);
}
});
public static Single<NextItemsResult> getMoreKioskItems(final int serviceId,
final String url,
final String nextStreamsUrl,
final String contentCountry) {
return Single.fromCallable(() ->
KioskInfo.getMoreItems(NewPipe.getService(serviceId),
url, nextStreamsUrl, contentCountry));
}
/*//////////////////////////////////////////////////////////////////////////
@ -163,24 +154,24 @@ public final class ExtractorHelper {
//////////////////////////////////////////////////////////////////////////*/
/**
* Check if we can load it from the cache (forceLoad parameter), if we can't, load from the network (Single loadFromNetwork)
* Check if we can load it from the cache (forceLoad parameter), if we can't,
* load from the network (Single loadFromNetwork)
* and put the results in the cache.
*/
private static <I extends Info> Single<I> checkCache(boolean forceLoad, int serviceId, String url, Single<I> loadFromNetwork) {
private static <I extends Info> Single<I> checkCache(boolean forceLoad,
int serviceId,
String url,
Single<I> loadFromNetwork) {
checkServiceId(serviceId);
loadFromNetwork = loadFromNetwork.doOnSuccess(new Consumer<I>() {
@Override
public void accept(@NonNull I i) throws Exception {
cache.putInfo(i);
}
});
loadFromNetwork = loadFromNetwork.doOnSuccess((@NonNull I i) -> cache.putInfo(i));
Single<I> load;
if (forceLoad) {
cache.removeInfo(serviceId, url);
load = loadFromNetwork;
} else {
load = Maybe.concat(ExtractorHelper.<I>loadFromCache(serviceId, url), loadFromNetwork.toMaybe())
load = Maybe.concat(ExtractorHelper.<I>loadFromCache(serviceId, url),
loadFromNetwork.toMaybe())
.firstElement() //Take the first valid
.toSingle();
}
@ -193,9 +184,7 @@ public final class ExtractorHelper {
*/
public static <I extends Info> Maybe<I> loadFromCache(final int serviceId, final String url) {
checkServiceId(serviceId);
return Maybe.defer(new Callable<MaybeSource<? extends I>>() {
@Override
public MaybeSource<? extends I> call() throws Exception {
return Maybe.defer(() -> {
//noinspection unchecked
I info = (I) cache.getFromKey(serviceId, url);
if (MainActivity.DEBUG) Log.d(TAG, "loadFromCache() called, info > " + info);
@ -206,7 +195,6 @@ public final class ExtractorHelper {
}
return Maybe.empty();
}
});
}
@ -215,7 +203,8 @@ public final class ExtractorHelper {
*
* @see Class#isAssignableFrom(Class)
*/
public static boolean hasAssignableCauseThrowable(Throwable throwable, Class<?>... causesToCheck) {
public static boolean hasAssignableCauseThrowable(Throwable throwable,
Class<?>... causesToCheck) {
// Check if getCause is not the same as cause (the getCause is already the root),
// as it will cause a infinite loop if it is
Throwable cause, getCause = throwable;
@ -270,7 +259,9 @@ public final class ExtractorHelper {
* Check if throwable have Interrupted* exception as one of its causes.
*/
public static boolean isInterruptedCaused(Throwable throwable) {
return ExtractorHelper.hasExactCauseThrowable(throwable, InterruptedIOException.class, InterruptedException.class);
return ExtractorHelper.hasExactCauseThrowable(throwable,
InterruptedIOException.class,
InterruptedException.class);
}
public static String toUpperCase(String value) {