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@ -2,16 +2,11 @@
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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* 您可以在遵守License的前提下使用本文件
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* You may obtain a copy of the License at
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* 具体License内容可查阅:http://www.apache.org/licenses/LICENSE-2.0
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*
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* 软件按"原样"分发,不提供任何形式的明示或暗示的保证
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*
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* 详见License中关于权限和限制的具体条款
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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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*/
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package net.micode.notes.gtask.data;
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package net.micode.notes.gtask.data;
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@ -24,37 +19,70 @@ import net.micode.notes.tool.GTaskStringUtils;
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import org.json.JSONException;
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import org.json.JSONException;
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import org.json.JSONObject;
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import org.json.JSONObject;
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/**
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* Google Tasks元数据类
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* 用于存储和管理Google Tasks相关的元信息
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* 继承自Task类,扩展了Google Tasks特定的元数据处理功能
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*/
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public class MetaData extends Task {
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public class MetaData extends Task {
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private final static String TAG = MetaData.class.getSimpleName();
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private final static String TAG = MetaData.class.getSimpleName();
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// 关联的Google Task ID
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private String mRelatedGid = null;
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private String mRelatedGid = null;
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/**
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* 设置元数据信息
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*
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* @param gid Google Task的唯一标识
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* @param metaInfo 包含元数据的JSON对象
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*/
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public void setMeta(String gid, JSONObject metaInfo) {
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public void setMeta(String gid, JSONObject metaInfo) {
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try {
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try {
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// 将Google Task ID添加到元数据JSON中
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metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
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metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
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} catch (JSONException e) {
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} catch (JSONException e) {
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Log.e(TAG, "failed to put related gid");
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Log.e(TAG, "failed to put related gid");
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}
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}
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// 设置笔记内容为元数据JSON的字符串表示
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setNotes(metaInfo.toString());
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setNotes(metaInfo.toString());
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// 设置笔记名称为元数据固定名称
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setName(GTaskStringUtils.META_NOTE_NAME);
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setName(GTaskStringUtils.META_NOTE_NAME);
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}
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}
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/**
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* 获取关联的Google Task ID
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*
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* @return 关联的Google Task ID,获取失败时返回null
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*/
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public String getRelatedGid() {
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public String getRelatedGid() {
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return mRelatedGid;
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return mRelatedGid;
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}
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}
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/**
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* 判断元数据是否值得保存
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* 当笔记内容不为空时认为值得保存
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*
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* @return true如果笔记内容不为空,否则false
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*/
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@Override
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@Override
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public boolean isWorthSaving() {
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public boolean isWorthSaving() {
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return getNotes() != null;
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return getNotes() != null;
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}
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}
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/**
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* 从远程JSON数据设置内容
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* 解析远程JSON数据并提取关联的Google Task ID
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*
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* @param js 包含远程数据的JSON对象
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*/
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@Override
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@Override
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public void setContentByRemoteJSON(JSONObject js) {
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public void setContentByRemoteJSON(JSONObject js) {
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super.setContentByRemoteJSON(js);
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super.setContentByRemoteJSON(js);
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if (getNotes() != null) {
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if (getNotes() != null) {
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try {
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try {
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// 解析笔记内容为JSON对象
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JSONObject metaInfo = new JSONObject(getNotes().trim());
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JSONObject metaInfo = new JSONObject(getNotes().trim());
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// 提取关联的Google Task ID
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mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
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mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
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} catch (JSONException e) {
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} catch (JSONException e) {
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Log.w(TAG, "failed to get related gid");
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Log.w(TAG, "failed to get related gid");
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@ -63,20 +91,40 @@ public class MetaData extends Task {
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}
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}
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}
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}
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/**
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* 从本地JSON数据设置内容
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* 该方法不应该被调用,调用时抛出异常
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*
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* @param js 包含本地数据的JSON对象
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* @throws IllegalAccessError 该方法不支持调用
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*/
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@Override
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@Override
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public void setContentByLocalJSON(JSONObject js) {
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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");
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throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
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}
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}
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/**
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* 从内容获取本地JSON数据
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* 该方法不应该被调用,调用时抛出异常
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*
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* @return 本地JSON数据(永远不会返回)
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* @throws IllegalAccessError 该方法不支持调用
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*/
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@Override
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@Override
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public JSONObject getLocalJSONFromContent() {
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public JSONObject getLocalJSONFromContent() {
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throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
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throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
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}
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}
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/**
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* 获取同步操作类型
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* 该方法不应该被调用,调用时抛出异常
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*
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* @param c 数据库游标
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* @return 同步操作类型(永远不会返回)
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* @throws IllegalAccessError 该方法不支持调用
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*/
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@Override
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@Override
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public int getSyncAction(Cursor c) {
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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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throw new IllegalAccessError("MetaData:getSyncAction should not be called");
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}
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}
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}
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}
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