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Cloudinary is a cloud service that offers a solution to a web application's entire image management pipeline. Upload images to the cloud. Automatically perform smart image resizing, cropping and conversion without installing any complex software. Integrate Facebook or Twitter profile image extraction in a snap, in any dimension and style to match your websiteâs graphics requirements. Images are seamlessly delivered through a fast CDN, and much much more. This Java library allows to easily integrate with Cloudinary in Java applications.

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package com.cloudinary.http5;

import com.cloudinary.utils.ObjectUtils;
import org.apache.hc.client5.http.classic.methods.HttpUriRequestBase;
import org.apache.hc.client5.http.config.RequestConfig;
import org.apache.hc.core5.http.NameValuePair;
import org.apache.hc.core5.http.message.BasicNameValuePair;
import org.apache.hc.core5.util.Timeout;
import org.cloudinary.json.JSONObject;

import java.util.*;

public class ApiUtils {

    public static void setTimeouts(HttpUriRequestBase request, Map options) {
        RequestConfig config = request.getConfig();
        final RequestConfig.Builder builder;

        if (config != null) {
            builder = RequestConfig.copy(config);
        } else {
            builder = RequestConfig.custom();
        }

        Integer timeout = (Integer) options.get("timeout");
        if (timeout != null) {
            builder.setResponseTimeout(Timeout.ofSeconds(timeout));
        }

        Integer connectionRequestTimeout = (Integer) options.get("connection_request_timeout");
        if (connectionRequestTimeout != null) {
            builder.setConnectionRequestTimeout(Timeout.ofSeconds(connectionRequestTimeout));
        }

        Integer connectTimeout = (Integer) options.get("connect_timeout");
        if (connectTimeout != null) {
            builder.setConnectTimeout(Timeout.ofSeconds(connectTimeout));
        }

        request.setConfig(builder.build());
    }


    public static List prepareParams(Map params) {
        List requestParams = new ArrayList<>();

        for (Map.Entry param : params.entrySet()) {
            String key = param.getKey();
            Object value = param.getValue();

            if (value instanceof Iterable) {
                // If the value is an Iterable, handle each item individually
                for (Object single : (Iterable) value) {
                    requestParams.add(new BasicNameValuePair(key + "[]", ObjectUtils.asString(single)));
                }
            } else if (value instanceof Map) {
                // Convert Map to JSON string manually to avoid empty object issues
                JSONObject jsonObject = new JSONObject();
                for (Map.Entry entry : ((Map) value).entrySet()) {
                    jsonObject.put(entry.getKey().toString(), entry.getValue());
                }
                requestParams.add(new BasicNameValuePair(key, jsonObject.toString()));
            } else {
                // Handle simple key-value pairs
                requestParams.add(new BasicNameValuePair(key, ObjectUtils.asString(value)));
            }
        }

        return requestParams;
    }
}