uk.ac.nott.mrl.arch.Item.java Source code

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Here is the source code for uk.ac.nott.mrl.arch.Item.java

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/*
 *     Light Night Arch Control software
 *     Copyright (C) 2016 University of Nottingham
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Affero General Public License as
 *     published by the Free Software Foundation, either version 3 of the
 *     License, or (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Affero General Public License for more details.
 *
 *     You should have received a copy of the GNU Affero General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package uk.ac.nott.mrl.arch;

import com.google.common.hash.Hashing;
import com.google.gson.Gson;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;

class Item {
    private static final Logger logger = Logger.getLogger("Data");

    private static final Gson gson = new Gson();
    private static final Charset charset = Charset.forName("UTF-8");
    static Item current = new Item();
    static String currentJson = "";
    static String currentTag = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";

    enum State {
        waiting, engagement, approaching, under, leaving, left
    }

    enum Direction {
        left, right
    }

    private String approach;
    private String author;
    private String leave;
    private Direction direction = null;
    private State state = State.waiting;
    private int heightCM = 0;
    private String height;
    private List<String> data = new ArrayList<>();

    Item() {
    }

    State getState() {
        return state;
    }

    void setState(State state) {
        this.state = state;
    }

    public void setData(List<String> data) {
        this.data = data;
    }

    void setApproach(String approach) {
        this.approach = approach;
    }

    void setLeave(String leave) {
        this.leave = leave;
    }

    void setDirection(Direction direction) {
        this.direction = direction;
    }

    void setHeight(int heightCM) {
        if (heightCM > this.heightCM) {
            this.heightCM = heightCM;
            int feetPart = (int) Math.floor((heightCM / 2.54) / 12);
            int inchesPart = (int) Math.floor((heightCM / 2.54) - (feetPart * 12));
            this.height = String.format("%d' %d\"", feetPart, inchesPart);
            //logger.info("Height: " + Item.current.getHeight());
        }
    }

    void setAuthor(String author) {
        this.author = author;
    }

    @Override
    public String toString() {
        final StringBuilder builder = new StringBuilder();
        for (String dataItem : data) {
            builder.append(dataItem);
            builder.append("\n");
        }
        if (height != null) {
            builder.append(height);
            builder.append("\n");
        }
        if (approach != null) {
            builder.append("They asked themselves ");
            builder.append(approach.toLowerCase());
            builder.append("\n");
            builder.append("They gained this wisdom: ");
            builder.append(leave);
            if (author != null) {
                builder.append(author);
            }
        }
        return builder.toString();
    }

    static void updateCurrent() {
        final String json = gson.toJson(current);
        final String tag = Hashing.sha256().hashString(json, charset).toString();
        if (!tag.equals(currentTag)) {
            currentTag = tag;
            currentJson = json;
            logger.info(currentJson);
        }
    }

    String getApproach() {
        return approach;
    }

    Direction getDirection() {
        return direction;
    }

    public List<String> getData() {
        return data;
    }
}