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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// 声明MetaData类，它继承自Task类
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package net.micode.notes.gtask.data;
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import android.database.Cursor; // 导入Cursor类，用于数据库操作
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import android.util.Log; // 导入Log类，用于日志输出
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import net.micode.notes.tool.GTaskStringUtils; // 导入工具类，用于处理字符串
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import org.json.JSONException; // 导入JSONException类，用于处理JSON异常
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import org.json.JSONObject; // 导入JSONObject类，用于处理JSON对象
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// MetaData类的定义开始
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public class MetaData extends Task {
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// 定义日志标签
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private final static String TAG = MetaData.class.getSimpleName();
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// 定义与MetaData相关的Gid（可能是Google Tasks中的任务ID）
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private String mRelatedGid = null;
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// 设置MetaData的gid和metaInfo
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public void setMeta(String gid, JSONObject metaInfo) {
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try {
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// 在metaInfo中添加gid信息
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metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
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} catch (JSONException e) {
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// 如果添加失败，则记录错误日志
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Log.e(TAG, "failed to put related gid");
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}
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// 将metaInfo转换为字符串并设置为任务的备注
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setNotes(metaInfo.toString());
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// 设置任务名称为特定的Meta任务名称
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setName(GTaskStringUtils.META_NOTE_NAME);
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}
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// 获取与MetaData相关的Gid
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public String getRelatedGid() {
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return mRelatedGid;
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}
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// 判断MetaData是否值得保存（基于备注是否非空）
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@Override
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public boolean isWorthSaving() {
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return getNotes() != null;
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}
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// 根据远程JSON对象设置MetaData的内容
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@Override
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public void setContentByRemoteJSON(JSONObject js) {
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// 调用父类的方法设置内容
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super.setContentByRemoteJSON(js);
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// 如果备注不为空，则尝试解析并获取相关的Gid
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if (getNotes() != null) {
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try {
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JSONObject metaInfo = new JSONObject(getNotes().trim());
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mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
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} catch (JSONException e) {
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// 如果解析失败，则记录警告日志，并将Gid设置为null
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Log.w(TAG, "failed to get related gid");
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mRelatedGid = null;
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}
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}
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}
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// 根据本地JSON对象设置MetaData的内容（不应被调用）
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@Override
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public void setContentByLocalJSON(JSONObject js) {
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// 抛出异常，表示这个方法不应该被调用
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throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
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}
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// 从MetaData的内容获取本地JSON对象（不应被调用）
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@Override
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public JSONObject getLocalJSONFromContent() {
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// 抛出异常，表示这个方法不应该被调用
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throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
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}
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// 根据Cursor获取同步操作（不应被调用）
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@Override
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public int getSyncAction(Cursor c) {
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// 抛出异常，表示这个方法不应该被调用
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throw new IllegalAccessError("MetaData:getSyncAction should not be called");
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}
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} |
