gem.talk_to_outside_world.validation.SimpleValidationBoardState.java Source code

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Here is the source code for gem.talk_to_outside_world.validation.SimpleValidationBoardState.java

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/*
* Copyright 2013, C. Thomas Bailey
* 
* This file is part of GEM: The Geographic Modeler.
*
 * GEM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * GEM 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GEM.  If not, see <http://www.gnu.org/licenses/>.
*/

package gem.talk_to_outside_world.validation;

import gem.Global;
import gem.simulation.board.BoardDimensions;
import gem.simulation.state.AbstractConwayCell;
import gem.simulation.state.ConwayState;
import gem.simulation.state.IState;

import java.io.File;
import java.io.IOException;

import com.google.common.base.Charsets;
import com.google.common.io.Files;
import com.google.gson.Gson;

public class SimpleValidationBoardState {

    private SimpleValidationCell[] cells;

    public SimpleValidationBoardState(IState state) {
        cells = populateCells(state);
    }

    public SimpleValidationBoardState(SimpleValidationCell[] cells) {
        this.cells = cells;
    }

    public ConwayState toConwayState() {
        int xMax = findHighestX(cells);
        int yMax = findHighestY(cells);

        AbstractConwayCell[][] conwayCells = new AbstractConwayCell[xMax + 1][yMax + 1];
        for (SimpleValidationCell c : cells) {
            conwayCells[c.x][c.y] = c.toConwayCell();
        }
        return new ConwayState(conwayCells,
                Global.topologyManager.createNeighborGraphWithCurrentTopology(new BoardDimensions(conwayCells)));
    }

    private int findHighestX(SimpleValidationCell[] cs) {
        int highestSoFar = 0;
        for (SimpleValidationCell c : cs) {
            if (c.x > highestSoFar) {
                highestSoFar = c.x;
            }
        }
        return highestSoFar;
    }

    private int findHighestY(SimpleValidationCell[] cs) {
        int highestSoFar = 0;
        for (SimpleValidationCell c : cs) {
            if (c.y > highestSoFar) {
                highestSoFar = c.y;
            }
        }
        return highestSoFar;
    }

    public String toJson() {
        Gson gs = new Gson();
        return gs.toJson(cells);
    }

    private SimpleValidationCell[] populateCells(IState state) {
        SimpleValidationCell[] cellArray = new SimpleValidationCell[state.getWidth() * state.getHeight()];
        int flattenedIndex = 0;
        for (int x = 0; x < state.getWidth(); x++) {
            for (int y = 0; y < state.getHeight(); y++) {
                cellArray[flattenedIndex] = new SimpleValidationCell(state.getCell(x, y), x, y);
                flattenedIndex++;
            }
        }
        return cellArray;
    }

    public static ConwayState conwayStateFromJsonFile(File file) {
        String json = "";
        try {
            json = Files.toString(file, Charsets.UTF_8);
        } catch (IOException e) {
            e.printStackTrace();
        }
        Gson gs = new Gson();
        SimpleValidationCell[] cs = gs.fromJson(json, SimpleValidationCell[].class);
        return new SimpleValidationBoardState(cs).toConwayState();
    }
}