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mirror of https://github.com/TwidereProject/Twidere-Android synced 2025-01-30 08:25:01 +01:00

added cursor support

This commit is contained in:
Mariotaku Lee 2015-05-13 00:19:02 +08:00
parent 1f262d5075
commit 2fe5ca0c85
2 changed files with 13 additions and 109 deletions

View File

@ -1,100 +0,0 @@
/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2015 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package org.mariotaku.twidere.api.twitter.model.impl;
import com.bluelinelabs.logansquare.JsonMapper;
import com.bluelinelabs.logansquare.LoganSquare;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import org.mariotaku.twidere.api.twitter.util.TwitterConverter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.mariotaku.twidere.api.twitter.model.Status;
import org.mariotaku.twidere.api.twitter.model.User;
public final class PageableResponseListMapper<T> extends JsonMapper<PageableResponseListImpl<T>> {
private static final Map<Class<?>, PageableResponseListMapper<?>> instanceCache = new HashMap<>();
private final String listField;
private final Class<T> elementType;
public PageableResponseListMapper(String listField, Class<T> elementType) {
this.listField = listField;
this.elementType = elementType;
}
@Override
public PageableResponseListImpl<T> parse(JsonParser jsonParser) throws IOException {
PageableResponseListImpl<T> instance = new PageableResponseListImpl<>();
if (jsonParser.getCurrentToken() == null) {
jsonParser.nextToken();
}
if (jsonParser.getCurrentToken() != JsonToken.START_OBJECT) {
jsonParser.skipChildren();
return null;
}
while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
String fieldName = jsonParser.getCurrentName();
jsonParser.nextToken();
parseField(instance, fieldName, jsonParser);
jsonParser.skipChildren();
}
return instance;
}
public void parseField(PageableResponseListImpl<T> instance, String fieldName, JsonParser jsonParser) throws IOException {
if (listField.equals(fieldName)) {
instance.addAll(LoganSquare.mapperFor(elementType).parseList(jsonParser));
} else if ("previous_cursor".equals(fieldName)) {
instance.previousCursor = jsonParser.getValueAsLong(0);
} else if ("next_cursor".equals(fieldName)) {
instance.previousCursor = jsonParser.getValueAsLong(0);
}
}
@Override
public void serialize(PageableResponseListImpl object, JsonGenerator jsonGenerator, boolean writeStartAndEnd) throws IOException {
throw new UnsupportedOperationException();
}
public synchronized static <C> PageableResponseListMapper<C> get(Class<C> cls) {
@SuppressWarnings("unchecked")
final PageableResponseListMapper<C> cache = (PageableResponseListMapper<C>) instanceCache.get(cls);
if (cache != null) return cache;
final String listField;
if (User.class.isAssignableFrom(cls)) {
listField = "users";
} else if (Status.class.isAssignableFrom(cls)) {
listField = "statuses";
} else {
throw new TwitterConverter.UnsupportedTypeException(cls);
}
final PageableResponseListMapper<C> created = new PageableResponseListMapper<>(listField, cls);
instanceCache.put(cls, created);
return created;
}
}

View File

@ -22,15 +22,14 @@ package org.mariotaku.twidere.api.twitter.model.impl;
import com.bluelinelabs.logansquare.annotation.JsonField;
import com.bluelinelabs.logansquare.annotation.JsonObject;
import org.mariotaku.twidere.api.twitter.util.TwitterConverter;
import java.lang.reflect.Type;
import java.util.ArrayList;
import org.mariotaku.twidere.api.twitter.model.PageableResponseList;
import org.mariotaku.twidere.api.twitter.model.Status;
import org.mariotaku.twidere.api.twitter.model.User;
import org.mariotaku.twidere.api.twitter.model.UserList;
import org.mariotaku.twidere.api.twitter.util.TwitterConverter;
import java.lang.reflect.Type;
import java.util.ArrayList;
/**
* Created by mariotaku on 15/5/7.
@ -56,13 +55,18 @@ public class PageableResponseListWrapper extends TwitterResponseImpl implements
public PageableResponseList<?> getWrapped(Object extra) {
final Type[] typeArgs = (Type[]) extra;
final Class<?> elementType = (Class<?>) typeArgs[0];
PageableResponseListImpl<?> list;
if (User.class.isAssignableFrom(elementType)) {
return new PageableResponseListImpl<>(users);
list = new PageableResponseListImpl<>(users);
} else if (Status.class.isAssignableFrom(elementType)) {
return new PageableResponseListImpl<>(statuses);
list = new PageableResponseListImpl<>(statuses);
} else if (UserList.class.isAssignableFrom(elementType)) {
return new PageableResponseListImpl<>(userLists);
list = new PageableResponseListImpl<>(userLists);
} else {
throw new TwitterConverter.UnsupportedTypeException(elementType);
}
throw new TwitterConverter.UnsupportedTypeException(elementType);
list.previousCursor = previousCursor;
list.nextCursor = nextCursor;
return list;
}
}