diff --git a/MetaData改.java b/MetaData改.java new file mode 100644 index 0000000..4d03b09 --- /dev/null +++ b/MetaData改.java @@ -0,0 +1,98 @@ +/* + * 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. + */ + +// 导入Log类用于日志记录 +import android.util.Log; +// 导入工具类用于字符串操作 +import net.micode.notes.tool.GTaskStringUtils; +// 导入JSON相关类 +import org.json.JSONException; +import org.json.JSONObject; + +// 定义一个MetaData类,继承自Task类 +public class MetaData extends Task { + // 定义一个静态常量TAG,用于日志标识 + private final static String TAG = MetaData.class.getSimpleName(); + + // 定义一个私有字符串变量mRelatedGid用于存储相关的GID + private String mRelatedGid = null; + + // 设置元数据的方法,接收GID和JSON对象 + public void setMeta(String gid, JSONObject metaInfo) { + try { + // 将GID放入metaInfo JSON对象中 + metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); + } catch (JSONException e) { + // 如果放入失败,记录错误日志 + Log.e(TAG, "failed to put related gid"); + } + // 设置笔记内容为metaInfo的字符串形式 + setNotes(metaInfo.toString()); + // 设置笔记名称 + setName(GTaskStringUtils.META_NOTE_NAME); + } + + // 获取相关GID的方法 + public String getRelatedGid() { + return mRelatedGid; // 返回mRelatedGid + } + + // 重写isWorthSaving方法,判断是否值得保存 + @Override + public boolean isWorthSaving() { + return getNotes() != null; // 如果笔记内容不为null,则值得保存 + } + + // 重写从远程JSON设置内容的方法 + @Override + public void setContentByRemoteJSON(JSONObject js) { + super.setContentByRemoteJSON(js); // 调用父类的方法 + // 如果笔记内容不为null + if (getNotes() != null) { + try { + // 创建一个JSON对象metaInfo,并从笔记内容中解析 + JSONObject metaInfo = new JSONObject(getNotes().trim()); + // 获取相关GID并赋值给mRelatedGid + mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); + } catch (JSONException e) { + // 捕获JSON处理异常,记录警告日志并将mRelatedGid设为null + Log.w(TAG, "failed to get related gid"); + mRelatedGid = null; + } + } + } + + // 重写从本地JSON设置内容的方法,该方法不应该被调用 + @Override + public void setContentByLocalJSON(JSONObject js) { + // 抛出IllegalAccessError异常,表示该方法不应被调用 + throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); + } + + // 重写从内容获取本地JSON的方法,该方法不应该被调用 + @Override + public JSONObject getLocalJSONFromContent() { + // 抛出IllegalAccessError异常,表示该方法不应被调用 + throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); + } + + // 重写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IllegalAccessError异常,表示该方法不应被调用 + throw new IllegalAccessError("MetaData:getSyncAction should not be called"); + } +}