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@ -25,36 +25,47 @@ import org.json.JSONException;
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import org.json.JSONObject;
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// 元数据类,继承Task类,用于存储GTask相关的元信息
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public class MetaData extends Task {
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// 日志标签,使用类名
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private final static String TAG = MetaData.class.getSimpleName();
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// 关联的GTask全局ID
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private String mRelatedGid = null;
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// 设置元数据,将gid和元信息存入JSON对象
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public void setMeta(String gid, JSONObject metaInfo) {
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try {
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// 在元信息中添加GTask ID字段
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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");
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}
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// 将元信息转为字符串存入笔记内容
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setNotes(metaInfo.toString());
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// 设置笔记名称为固定的元数据名称
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setName(GTaskStringUtils.META_NOTE_NAME);
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}
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// 获取关联的GTask全局ID
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public String getRelatedGid() {
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return mRelatedGid;
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}
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// 判断数据是否值得保存(检查笔记内容是否存在)
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@Override
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public boolean isWorthSaving() {
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return getNotes() != null;
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}
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// 从远程JSON数据设置内容
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@Override
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public void setContentByRemoteJSON(JSONObject js) {
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super.setContentByRemoteJSON(js);
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super.setContentByRemoteJSON(js); // 先调用父类方法
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if (getNotes() != null) {
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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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// 从元信息中获取关联的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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Log.w(TAG, "failed to get related gid");
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@ -63,20 +74,24 @@ public class MetaData extends Task {
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}
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}
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// 从本地JSON数据设置内容(不应被调用)
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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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// 抛出错误,提示该方法不应被调用
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throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
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}
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// 从内容获取本地JSON(不应被调用)
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@Override
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public JSONObject getLocalJSONFromContent() {
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// 抛出错误,提示该方法不应被调用
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throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
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}
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// 获取同步操作类型(不应被调用)
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@Override
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public int getSyncAction(Cursor c) {
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// 抛出错误,提示该方法不应被调用
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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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