com.smartcar.sdk.SmartcarVehicleRequest Maven / Gradle / Ivy

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package com.smartcar.sdk;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.json.*;

import okhttp3.RequestBody;

/**
 * Class encompassing optional arguments for Smartcar Vehicle general purpose requests
 */
public final class SmartcarVehicleRequest {
    private final String method;
    private final String path;
    private final RequestBody body;
    private final Map headers;
    private final String flags;

    public static class Builder {
        private String method;
        private String path;
        private final JsonObjectBuilder body;
        private final Map headers;
        private final List flags;

        public Builder() {
            this.method = "";
            this.path = "";
            this.body = Json.createObjectBuilder();
            this.headers = new HashMap<>();
            this.flags = new ArrayList<>();
        }

        public Builder method(String method) {
            this.method = method;
            return this;
        }

        public Builder path(String path) {
            this.path = path;
            return this;
        }

        public Builder addHeader(String key, String value) {
            this.headers.put(key, value);
            return this;
        }

        public Builder addBodyParameter(String key, String value) {
            this.body.add(key, value);
            return this;
        }

        public Builder addBodyParameter(String key, JsonArray values) {
            this.body.add(key, values);
            return this;
        }

        public Builder addFlag(String key, String value) {
            this.flags.add(key + ":" + value);
            return this;
        }

        public Builder addFlag(String key, boolean value) {
            this.flags.add(key + ":" + value);
            return this;
        }

        public SmartcarVehicleRequest build() throws Exception {
            if(this.method == null || this.method.equals("")) {
                throw new Exception("method must be defined");
            }
            if(this.path == null) {
                throw new Exception("path must be defined");
            }
            return new SmartcarVehicleRequest(this);
        }
    }

    private SmartcarVehicleRequest(Builder builder) {
        this.method = builder.method;
        this.path = builder.path;

        JsonObject jsonBody = builder.body.build();

        this.body = jsonBody.isEmpty() ? null : RequestBody.create(ApiClient.JSON, jsonBody.toString());

        // Shallow clone of headers Map
        this.headers = (HashMap) ((HashMap) builder.headers).clone();

        if (builder.flags.size() > 0) {
            String[] flagStrings = builder.flags.toArray(new String[0]);
            this.flags = Utils.join(flagStrings, " ");
        } else {
            this.flags = null;
        }
    }

    public String getMethod() { return this.method; }

    public String getPath() { return this.path; }

    public RequestBody getBody() { return this.body; }

    public Map getHeaders() { return this.headers; }

    public String getFlags() { return this.flags; }

}