ItemRequest.java

package com.asana.requests;

import com.asana.Json;
import com.asana.models.ResultBody;
import com.asana.resources.Resource;
import com.google.api.client.http.HttpContent;
import com.google.api.client.http.HttpResponse;
import com.google.common.reflect.TypeParameter;
import com.google.common.reflect.TypeToken;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Map;

public class ItemRequest<T> extends Request {
    public ItemRequest(Resource resource, Class<T> elementClass, String path, String method) {
        super(resource, elementClass, path, method);
    }

    /**
     * Executes the request, returning the requested single item
     *
     * @return requested item
     * @throws IOException
     */
    public T execute() throws IOException {
        ResultBody<T> result = this.executeRaw();
        return result.data;
    }

    /**
     * Executes the request, returning the full response body
     *
     * @return Body containing the "data" object and other metadata
     * @throws IOException
     */
    public ResultBody<T> executeRaw() throws IOException {
        HttpResponse response = this.client.request(this);
        return Json.getInstance().fromJson(
                new InputStreamReader(response.getContent()),
                new TypeToken<ResultBody<T>>() {
                }.where(
                        new TypeParameter<T>() {
                        },
                        this.elementClass
                ).getType()
        );
    }

    public ItemRequest<T> query(Map<String, Object> object) {
        return (ItemRequest<T>) super.query(object);
    }

    public ItemRequest<T> query(String key, Object value) {
        return (ItemRequest<T>) super.query(key, value);
    }

    public ItemRequest<T> data(HttpContent content) {
        return (ItemRequest<T>) super.data(content);
    }

    public ItemRequest<T> data(Map<String, Object> object) {
        return (ItemRequest<T>) super.data(object);
    }

    public ItemRequest<T> data(String key, Object value) {
        return (ItemRequest<T>) super.data(key, value);
    }

    public ItemRequest<T> option(String key, Object value) {
        return (ItemRequest<T>) super.option(key, value);
    }

}