cc.pinel.mangue.storage.MangaStorage.java Source code

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Here is the source code for cc.pinel.mangue.storage.MangaStorage.java

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/*
 * Copyright 2014 Roque Pinel
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cc.pinel.mangue.storage;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

import cc.pinel.mangue.model.Manga;

import com.amazon.kindle.kindlet.KindletContext;

public class MangaStorage extends AbstractStorage {
    public MangaStorage(KindletContext context) {
        super(context, "mangas.json");
    }

    public Collection getMangas() {
        Collection mangas = new ArrayList();

        JSONArray jsonMangas = null;
        try {
            jsonMangas = (JSONArray) readJSON().get("mangas");
        } catch (Exception e) {
            // ignored
        }
        if (jsonMangas == null)
            jsonMangas = new JSONArray();

        for (int i = 0; i < jsonMangas.size(); i++) {
            JSONObject jsonManga = (JSONObject) jsonMangas.get(i);
            mangas.add(new Manga(jsonManga.get("id").toString(), jsonManga.get("name").toString(),
                    jsonManga.get("path").toString()));
        }

        return mangas;
    }

    public Manga getManga(String id) {
        JSONObject json = null;

        try {
            json = readJSON();
        } catch (Exception e) {
            // ignored
        }
        if (json == null)
            return null;

        JSONArray jsonMangas = (JSONArray) json.get("mangas");
        if (jsonMangas == null)
            return null;

        JSONObject jsonManga = findManga(jsonMangas, id);
        if (jsonManga == null)
            return null;

        return new Manga(jsonManga.get("id").toString(), jsonManga.get("name").toString(),
                jsonManga.get("path").toString());
    }

    public void addManga(Manga manga) throws IOException {
        JSONObject json = null;

        try {
            json = readJSON();
        } catch (Exception e) {
            // ignored
        }
        if (json == null)
            json = new JSONObject();

        JSONArray jsonMangas = (JSONArray) json.get("mangas");
        if (jsonMangas == null) {
            jsonMangas = new JSONArray();
            json.put("mangas", jsonMangas);
        }

        JSONObject jsonManga = findManga(jsonMangas, manga.getId());
        if (jsonManga == null) {
            jsonManga = new JSONObject();
            jsonManga.put("id", manga.getId());
            jsonManga.put("name", manga.getName());
            jsonManga.put("path", manga.getPath());

            jsonMangas.add(jsonManga);

            Object[] sortedArray = jsonMangas.toArray();
            Arrays.sort(sortedArray, new Comparator() {
                public int compare(Object o1, Object o2) {
                    JSONObject manga1 = (JSONObject) o1;
                    JSONObject manga2 = (JSONObject) o2;
                    return manga1.get("name").toString().compareTo(manga2.get("name").toString());
                }
            });

            JSONArray sortedJSONArray = new JSONArray();
            for (int i = 0; i < sortedArray.length; i++)
                sortedJSONArray.add(sortedArray[i]);
            json.put("mangas", sortedJSONArray);

            writeJSON(json);
        }
    }

    public void removeManga(Manga manga) throws IOException {
        JSONObject json = null;

        try {
            json = readJSON();
        } catch (Exception e) {
            // ignored
        }
        if (json == null)
            json = new JSONObject();

        JSONArray jsonMangas = (JSONArray) json.get("mangas");
        if (jsonMangas != null) {
            JSONObject jsonManga = findManga(jsonMangas, manga.getId());
            if (jsonManga != null) {
                jsonMangas.remove(jsonManga);

                writeJSON(json);
            }
        }
    }
}