com.blackbirdai.client.model.GeoParam Maven / Gradle / Ivy

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package com.blackbirdai.client.model;

import com.blackbirdai.client.InvalidRequestException;
import com.blackbirdai.client.util.Patterns;
import com.google.common.base.Optional;

import java.util.Collections;
import java.util.List;

public class GeoParam extends Param {
    private final String field;
    private final Number latitude;
    private final Number longitude;
    private final Number distance;

    public GeoParam(String field, Number latitude, Number longitude, Number distance) {
        this.field = field;
        this.latitude = latitude;
        this.longitude = longitude;
        this.distance = distance;
    }

    @Override
    StringBuilder appendQueryStr(StringBuilder builder) throws InvalidRequestException {
        if (!Patterns.FIELD_P.matcher(field).matches()) {
            throw new InvalidRequestException("Invalid field-name found: " + field);
        }
        builder.append("&geo=field=");
        builder.append(field);
        builder.append("/pt=(");
        builder.append(latitude);
        builder.append(',');
        builder.append(longitude);
        builder.append(")/d=");
        builder.append(distance);
        return builder;
    }
}