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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;
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import android.database.Cursor;
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import android.util.Log;
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import net.micode.notes.tool.GTaskStringUtils;
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import org.json.JSONException;
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import org.json.JSONObject;
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// MetaData类继承自Task类，负责处理任务的元数据
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public class MetaData extends Task {
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private final static String TAG = MetaData.class.getSimpleName(); // 用于日志记录的TAG
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private String mRelatedGid = null; // 存储相关任务的ID
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// 设置元数据，包括任务ID和相关的元信息
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public void setMeta(String gid, JSONObject metaInfo) {
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try {
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// 将任务ID放入元信息JSON对象中
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metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
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} catch (JSONException e) {
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Log.e(TAG, "failed to put related gid"); // 记录错误
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}
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setNotes(metaInfo.toString()); // 设置笔记内容为元信息的字符串表示
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setName(GTaskStringUtils.META_NOTE_NAME); // 设置名称
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}
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// 获取相关任务的ID
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public String getRelatedGid() {
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return mRelatedGid;
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}
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// 检查当前对象是否值得保存
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@Override
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public boolean isWorthSaving() {
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return getNotes() != null; // 如果笔记内容不为空，则值得保存
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}
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// 从远程JSON对象设置内容
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@Override
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public void setContentByRemoteJSON(JSONObject js) {
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super.setContentByRemoteJSON(js); // 调用父类方法
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if (getNotes() != null) {
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try {
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// 将笔记内容转换为JSON对象
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JSONObject metaInfo = new JSONObject(getNotes().trim());
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// 获取相关任务的ID
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mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
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} catch (JSONException e) {
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Log.w(TAG, "failed to get related gid"); // 记录警告
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mRelatedGid = null; // 设置为null以表示失败
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}
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}
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}
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// 此方法不应被调用，抛出异常
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@Override
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public void setContentByLocalJSON(JSONObject js) {
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throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
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}
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// 此方法不应被调用，抛出异常
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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");
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}
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// 此方法不应被调用，抛出异常
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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");
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}
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}
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