jomr5bphotos.Model.java Source code

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Here is the source code for jomr5bphotos.Model.java

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/*
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package jomr5bphotos;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;

/**
 *
 * @author Jared
 */
public class Model {
    String _photoPath = "";
    ObservableList<PictureDataHolder> _pictureData = FXCollections.observableArrayList();

    public String getPhotoPath() {
        return _photoPath;
    }

    public ObservableList<PictureDataHolder> getPictureData() {
        return _pictureData;
    }

    public void LoadPictureJSON() throws MalformedURLException, IOException, Exception {
        String urlString = "http://dalemusser.net/data/nocaltrip/photos.json";

        //initiate url
        URL url;
        try {
            url = new URL(urlString);
        } catch (MalformedURLException e) {
            System.out.println("The URL was malformed...");
            throw e;
        }

        //retrieve JSON object
        String json = "";

        try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()))) {
            String line = in.readLine();

            while (line != null) {
                json += line;
                line = in.readLine();
            }
        } catch (IOException e) {
            System.out.println("Failed to load JSON document: " + e.getMessage());
            throw e;
        }

        parseJSON(json);
    }

    private void parseJSON(String json) throws Exception {
        JSONObject jsonObj = null;

        try {
            jsonObj = (JSONObject) JSONValue.parse(json);
        } catch (Exception e) {
            System.out.println("Failed to parse JSON document.");
            throw e;
        }

        //json parsed successfully...
        String status = jsonObj.getOrDefault("status", null).toString();

        if (status == null || status.equals("ok") == false) {
            System.out.println("Status was not 'OK'");
            throw new Exception();
        }

        //status OK, so start loading objects
        JSONArray pictures = null;

        try {
            pictures = (JSONArray) jsonObj.get("photos");
        } catch (Exception e) {
            throw new Exception("Failed to load photos array.");
        }

        //load photo path
        try {
            _photoPath = (String) jsonObj.get("photosPath");
        } catch (Exception e) {
            throw new Exception("Failed to load the photo path.");
        }

        System.out.println("Test: ");
        System.out.format("Status: %s\nPath: %s\n", status, _photoPath);

        //go through each picture and parse a new object
        for (Object picture : pictures) {
            String date, description, filename, latitude, longitude, title;
            jsonObj = (JSONObject) picture;
            filename = (String) jsonObj.get("image");
            title = (String) jsonObj.get("title");
            description = (String) jsonObj.get("description");
            latitude = ((Double) jsonObj.get("latitude")).toString();
            longitude = ((Double) jsonObj.get("longitude")).toString();
            date = (String) jsonObj.get("date");

            System.out.println("==================");
            System.out.format("Title:  %s\n" + "File Name: %s\n" + "Description: %s\n" + "Date: %s\n"
                    + "Latitude: %s\n" + "Longitude: %s\n", title, filename, description, date, latitude,
                    longitude);

            PictureDataHolder holder = new PictureDataHolder(date, description, filename, latitude, longitude,
                    title);
            this._pictureData.add(holder);
        }
    }
}