com.example.bookstoremb.utils.Utils.java Source code

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Here is the source code for com.example.bookstoremb.utils.Utils.java

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/*
 * Copyright (C) 2003-2012 eXo Platform SAS.
 *
 * 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 com.example.bookstoremb.utils;

import org.json.JSONException;
import org.json.JSONObject;

import com.example.bookstoremb.models.Author;
import com.example.bookstoremb.models.Book;

/**
 * Created by The eXo Platform SAS
 * Author : BinhNV
 *          binhnv@exoplatform.com
 * Jul 5, 2012  
 */
public class Utils {

    /**
     * Convert enum value to String value 
     * 
     * @param category Enum value of category
     * @return String value of category
     */
    public static String bookCategoryEnumToString(Book.CATEGORY category) {
        if (category != null) {
            return category.toString();
        }
        return null;
    }

    /**
     * Convert String value to enum value
     * 
     * @param category String value of category
     * @return Book.CATEGORY of category
     */
    public static Book.CATEGORY bookCategoryStringToEnum(String category) {
        return category != null ? Book.CATEGORY.valueOf(category) : null;
    }

    /**
     * create book from json
     * 
     * @param json
     * @return
     * @throws JSONException
     */
    public static Book createBookFromJSON(JSONObject json) throws JSONException {
        Book book = new Book();
        book.setBookId(json.getString("bookId"));
        book.setName(json.getString("name"));
        book.setCategory(Utils.bookCategoryStringToEnum(json.getString("category")));
        book.setContent(json.getString("content"));
        return book;
    }

    /**
     * create author from json
     * 
     * @param json
     * @return
     * @throws JSONException
     */
    public static Author createAuthorFromJSON(JSONObject json) throws JSONException {
        Author author = new Author();
        author.setAuthorId(json.getString("authorId"));
        author.setName(json.getString("name"));
        author.setAddress(json.getString("address"));
        author.setPhone(json.getString("phone"));
        return author;
    }

}