es.nitaur.bitbucket.rest.client.http.responseparsers.PageParser Maven / Gradle / Ivy

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/*
 *
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  * http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

package es.nitaur.bitbucket.rest.client.http.responseparsers;

import es.nitaur.bitbucket.rest.client.model.Page;
import java.util.function.Function;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;

import java.util.List;

class PageParser implements Function> {
    Function valueParser;

    public PageParser(Function valueParser) {
        this.valueParser = valueParser;
    }

    @Override
    public Page apply(JsonElement jsonElement) {
        JsonObject json = jsonElement.getAsJsonObject();
        List values = Parsers.listParser(valueParser).apply(json.getAsJsonArray("values"));

        return new Page<>(
                json.get("size").getAsInt(),
                json.get("limit").getAsInt(),
                ParserUtil.optionalJsonBoolean(json, "isLastPage"),
                json.get("start").getAsInt(),
                (int) ParserUtil.optionalJsonLong(json, "nextPageStart"),
                values
        );
    }

}