Java tutorial
/* * The MIT License * * Copyright (c) 2012, Lubing Zhang. * * 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 com.github.zhanglubing; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import org.apache.commons.lang.StringUtils; /** * Catalog * @author Lubing Zhang */ public class Catalog { public static JSONArray getAllCatalog() { String jsonStr = Utils.readFile(Utils.getConfig("blog.data.catalog")); JSONObject json = JSONObject.fromObject(jsonStr); return json.getJSONArray("catalog"); } public static JSONObject serch(String id) { if (StringUtils.trimToNull(id) == null) { return null; } JSONArray array = getAllCatalog(); for (Object object : array) { JSONObject catalog = JSONObject.fromObject(object); if (id.trim().equalsIgnoreCase(catalog.getString("id"))) { return catalog; } } return null; } }