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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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package net.micode.notes.gtask.data; // 声明包net.micode.notes.gtask.data
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import android.database.Cursor; // 导入android数据库Cursor类
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import android.util.Log; // 导入android日志工具类Log
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import net.micode.notes.tool.GTaskStringUtils; // 导入net.micode.notes.tool.GTaskStringUtils工具类
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import org.json.JSONException; // 导入org.json.JSONException类
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import org.json.JSONObject; // 导入org.json.JSONObject类
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// MetaData类继承自Task类
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public class MetaData extends Task {
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private final static String TAG = MetaData.class.getSimpleName(); // 声明私有静态常量TAG，用于记录日志信息，值为当前类的简单名称
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private String mRelatedGid = null; // 声明私有属性mRelatedGid，初始值为null
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// 设置meta信息的方法，接受gid和metaInfo作为参数
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public void setMeta(String gid, JSONObject metaInfo) {
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try {
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metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); // 尝试将GTask ID放入metaInfo中
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} catch (JSONException e) {
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Log.e(TAG, "failed to put related gid"); // 捕获JSONException异常，记录错误日志
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}
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setNotes(metaInfo.toString()); // 将metaInfo转换为字符串后设置为笔记内容
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setName(GTaskStringUtils.META_NOTE_NAME); // 设置名称为META_NOTE_NAME
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}
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// 获取相关GTask ID的方法
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public String getRelatedGid() {
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return mRelatedGid; // 返回mRelatedGid属性的值
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}
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// 判断是否值得保存的方法
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@Override
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public boolean isWorthSaving() {
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return getNotes() != null; // 返回笔记内容是否不为null
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}
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// 根据远程JSON内容设置对象内容的方法
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@Override
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public void setContentByRemoteJSON(JSONObject js) {
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super.setContentByRemoteJSON(js); // 调用父类的setContentByRemoteJSON方法
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if (getNotes() != null) { // 如果笔记内容不为null
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try {
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JSONObject metaInfo = new JSONObject(getNotes().trim()); // 创建新的JSONObject对象，内容为去除空格后的笔记内容
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mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); // 获取metaInfo中的GTask ID并赋值给mRelatedGid
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} catch (JSONException e) {
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Log.w(TAG, "failed to get related gid"); // 捕获JSONException异常，记录警告日志
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mRelatedGid = null; // 将mRelatedGid置为null
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}
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}
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}
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// 根据本地JSON内容设置对象内容的方法
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@Override
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public void setContentByLocalJSON(JSONObject js) {
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// this function should not be called
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throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); // 抛出非法访问错误，表明不应调用该方法
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}
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// 从内容获取本地JSON对象的方法
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@Override
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public JSONObject getLocalJSONFromContent() {
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throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); // 抛出非法访问错误，表明不应调用该方法
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}
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// 获取同步操作类型的方法
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@Override
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public int getSyncAction(Cursor c) {
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throw new IllegalAccessError("MetaData:getSyncAction should not be called"); // 抛出非法访问错误，表明不应调用该方法
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}
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}
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