CameraObject.java

package io.evercam;

import org.json.JSONException;
import org.json.JSONObject;

/**
 * The base object for the sub containers(internal,external etc)
 * in Evercam camera model.
 */
class BaseCameraObject extends EvercamObject {
    BaseCameraObject(JSONObject jsonObject) {
        this.jsonObject = jsonObject;
    }


    /**
     * @return the 'host' URL in corresponding camera object.
     */
    public String getHost() {
        return getStringNotNull("host");
    }

    /**
     * @return the 'http' object in corresponding camera object.
     */
    public EvercamHttp getHttp() throws EvercamException {
        JSONObject httpJsonObject = getJsonObjectByString("http");
        return new EvercamHttp(httpJsonObject);
    }

    /**
     * @return the 'rtsp' object in corresponding camera object.
     */
    public EvercamRtsp getRtsp() throws EvercamException {
        JSONObject rtspJsonObject = getJsonObjectByString("rtsp");
        return new EvercamRtsp(rtspJsonObject);
    }
}

class EvercamHttp extends EvercamObject {
    EvercamHttp(JSONObject jsonObject) {
        this.jsonObject = jsonObject;
    }

    public int getPort() {
        try {
            return jsonObject.getInt("port");
        } catch (JSONException e) {
            return 0;
        }
    }

    public String getCameraUrl() {
        return getStringNotNull("camera");
    }

    protected String getJpgUrl() {
        return getStringNotNull("jpg");
    }

    public String getMjpgUrl() {
        return getStringNotNull("mjpg");
    }
}

class EvercamRtsp extends EvercamObject {
    EvercamRtsp(JSONObject jsonObject) {
        this.jsonObject = jsonObject;
    }

    protected int getPort() {
        try {
            return jsonObject.getInt("port");
        } catch (JSONException e) {
            return 0;
        }
    }

    public String getMpegUrl() {
        return getStringNotNull("mpeg");
    }

    public String getAudioUrl() {
        return getStringNotNull("audio");
    }

    protected String getH264Url() {
        return getStringNotNull("h264");
    }
}

class Internal extends BaseCameraObject {
    Internal(JSONObject jsonObject) {
        super(jsonObject);
    }
}

class External extends BaseCameraObject {
    External(JSONObject jsonObject) {
        super(jsonObject);
    }
}

class Location extends EvercamObject {
    Location(JSONObject jsonObject) {
        this.jsonObject = jsonObject;
    }

    public float getLng() {
        return (float) jsonObject.getDouble("lng");
    }

    public float getLat() {
        return (float) jsonObject.getDouble("lat");
    }
}