nl.spellenclubeindhoven.dominionshuffle.DataReader.java Source code

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Here is the source code for nl.spellenclubeindhoven.dominionshuffle.DataReader.java

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/*
 * Copyright (C) 2011 Tim Kramp
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package nl.spellenclubeindhoven.dominionshuffle;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.zip.GZIPInputStream;

import nl.spellenclubeindhoven.dominionshuffle.data.CardSelector;
import nl.spellenclubeindhoven.dominionshuffle.data.Data;

import org.json.JSONException;

import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

public class DataReader {
    private Data dominionData;
    private Application application;

    public DataReader(Application application) {
        this.application = application;
    }

    public boolean loadData() {
        if (dominionData != null)
            return false;

        try {
            InputStream inputStream = new GZIPInputStream(application.getResources().openRawResource(R.raw.data));
            dominionData = Data.read(readStringFromStream(inputStream));
        } catch (Exception ignore) {
            ignore.printStackTrace();
            return false;
        }

        return true;
    }

    public void reset() {
        dominionData = null;
    }

    public Data getData() {
        return dominionData;
    }

    public void saveCardSelectorState(Context context, CardSelector cardSelector) {
        if (cardSelector == null)
            return;

        try {
            writeStringToFile(context, "card_selector.json", cardSelector.toJson());
        } catch (JSONException ignore) {
        }
    }

    public static String readStringFromStream(InputStream inputStream) {
        InputStreamReader in = null;
        try {
            in = new InputStreamReader(inputStream);
            StringBuilder builder = new StringBuilder();
            char[] buffer = new char[1024];
            int numread = 0;

            numread = in.read(buffer, 0, 1024);
            while (numread != -1) {
                builder.append(buffer, 0, numread);
                numread = in.read(buffer, 0, 1024);
            }

            return builder.toString();
        } catch (IOException ignore) {
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException ignore) {
                }
            }
        }

        return "";
    }

    public static String readStringFromFile(Context context, String filename) {
        try {
            return readStringFromStream(context.openFileInput(filename));
        } catch (FileNotFoundException ignore) {
            ignore.printStackTrace();
        }

        return "";
    }

    public static boolean writeStringToFile(Context context, String filename, String content) {
        OutputStreamWriter out = null;
        try {
            out = new OutputStreamWriter(context.openFileOutput(filename, Activity.MODE_PRIVATE));
            out.write(content);
        } catch (FileNotFoundException ignore) {
            return false;
        } catch (IOException ignore) {
            return false;
        } finally {
            try {
                if (out != null)
                    out.close();
            } catch (IOException ignore) {
                return false;
            }
        }

        return true;
    }
}