|
|
/*
|
|
|
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
|
|
|
*
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
* you may not use this file except in compliance with the License.
|
|
|
* You may obtain a copy of the License at
|
|
|
*
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
|
*
|
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
* See the License for the specific language governing permissions and
|
|
|
* limitations under the License.
|
|
|
*/
|
|
|
|
|
|
package net.micode.notes.gtask.data;
|
|
|
|
|
|
import android.database.Cursor;
|
|
|
import android.util.Log;
|
|
|
|
|
|
import net.micode.notes.tool.GTaskStringUtils;
|
|
|
|
|
|
import org.json.JSONException;
|
|
|
import org.json.JSONObject;
|
|
|
|
|
|
// MetaData类继承自Task类,用于处理与任务相关的元数据
|
|
|
public class MetaData extends Task {
|
|
|
// 用于日志记录的标签,使用类的简单名称
|
|
|
private final static String TAG = MetaData.class.getSimpleName();
|
|
|
|
|
|
// 存储相关的Google任务ID(gid)
|
|
|
private String mRelatedGid = null;
|
|
|
|
|
|
// 设置元数据的方法,接受一个gid和一个包含元信息的JSONObject
|
|
|
public void setMeta(String gid, JSONObject metaInfo) {
|
|
|
try {
|
|
|
// 在元信息的JSONObject中添加一个键值对,键为GTaskStringUtils.META_HEAD_GTASK_ID,值为gid
|
|
|
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
|
|
|
} catch (JSONException e) {
|
|
|
// 如果在添加键值对时发生JSON异常,记录错误日志
|
|
|
Log.e(TAG, "failed to put related gid");
|
|
|
}
|
|
|
// 将包含元信息的JSONObject转换为字符串,并设置为笔记内容
|
|
|
setNotes(metaInfo.toString());
|
|
|
// 设置任务名称为GTaskStringUtils.META_NOTE_NAME
|
|
|
setName(GTaskStringUtils.META_NOTE_NAME);
|
|
|
}
|
|
|
|
|
|
// 获取相关的Google任务ID(gid)的方法
|
|
|
public String getRelatedGid() {
|
|
|
return mRelatedGid;
|
|
|
}
|
|
|
|
|
|
// 判断该元数据是否值得保存的方法
|
|
|
@Override
|
|
|
public boolean isWorthSaving() {
|
|
|
// 如果笔记内容不为null,则认为值得保存,返回true;否则返回false
|
|
|
return getNotes()!= null;
|
|
|
}
|
|
|
|
|
|
// 根据远程JSON数据设置内容的方法
|
|
|
@Override
|
|
|
public void setContentByRemoteJSON(JSONObject js) {
|
|
|
// 调用父类的setContentByRemoteJSON方法,处理通用的内容设置
|
|
|
super.setContentByRemoteJSON(js);
|
|
|
// 如果笔记内容不为null
|
|
|
if (getNotes()!= null) {
|
|
|
try {
|
|
|
// 将笔记内容解析为JSONObject
|
|
|
JSONObject metaInfo = new JSONObject(getNotes().trim());
|
|
|
// 从解析后的JSONObject中获取相关的Google任务ID(gid)
|
|
|
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
|
|
|
} catch (JSONException e) {
|
|
|
// 如果在获取gid时发生JSON异常,记录警告日志
|
|
|
Log.w(TAG, "failed to get related gid");
|
|
|
// 将mRelatedGid设置为null
|
|
|
mRelatedGid = null;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 根据本地JSON数据设置内容的方法,该方法不应该被调用
|
|
|
@Override
|
|
|
public void setContentByLocalJSON(JSONObject js) {
|
|
|
// 抛出非法访问错误,提示该方法不应该被调用
|
|
|
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
|
|
|
}
|
|
|
|
|
|
// 从内容中获取本地JSON数据的方法,该方法不应该被调用
|
|
|
@Override
|
|
|
public JSONObject getLocalJSONFromContent() {
|
|
|
// 抛出非法访问错误,提示该方法不应该被调用
|
|
|
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
|
|
|
}
|
|
|
|
|
|
// 根据数据库游标获取同步操作的方法,该方法不应该被调用
|
|
|
@Override
|
|
|
public int getSyncAction(Cursor c) {
|
|
|
// 抛出非法访问错误,提示该方法不应该被调用
|
|
|
throw new IllegalAccessError("MetaData:getSyncAction should not be called");
|
|
|
}
|
|
|
} |