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/**
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* @ProiectName:MiNote
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* @Package: gtask.remote
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* @ClassName: MetaData
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* @Description:用于存储便签的元数据信息
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* @Author: wmq
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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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/**
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* @功能名: MetaData extends Task
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* @参数 :
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* @功能描述: 得到类的简写名称存入字符串TAG中
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* @实现过程: 调用getSimpleName ()函数
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* @Author: wmq
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*/
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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 String mRelatedGid = null;
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/**
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* @功能名: setMeta
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* @参数 : gid / metaInfo
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* @功能描述: 设置数据，即生成元数据库
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* @实现过程: 调用JSONObject库函数put ()，Task类中的setNotes ()和setName ()函数
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* @Author: wmq
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*/
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public void setMeta(String gid, JSONObject metaInfo) {
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try {
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metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);//将这对键值放入metaInfo这个jsonobject对象中
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} catch (JSONException e) {
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Log.e(TAG, "failed to put related gid");//输出错误信息
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}
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setNotes(metaInfo.toString());
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setName(GTaskStringUtils.META_NOTE_NAME);
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}
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//功能描述：获取相关联的Gid
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public String getRelatedGid() {
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return mRelatedGid;
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}//判断当前数据是否为空，若为空则返回真即值得保存
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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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/**
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* @功能名: setContentByRemoteJSON
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* @参数 : JOSN
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* @功能描述: 使用远程json数据对象设置元数据内容
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* @实现过程: 调用父类Task中的setContentByRemoteJSON ()函数
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* @Author: wmq
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*/
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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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if (getNotes() != null) {
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try {
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JSONObject metaInfo = new JSONObject(getNotes().trim());
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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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mRelatedGid = null;
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}
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}
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}//使用本地json数据对象设置元数据内容，一般不会用到，若用到，则抛出异常
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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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throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
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//传递非法参数异常
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}
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/**
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* 功能描述：获取同步动作状态，一般不会用到，若用到，则抛出异常
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*/
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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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//传递非法参数异常
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}
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/**
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* 功能描述：获取同步动作状态，一般不会用到，若用到，则抛出异常
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*/
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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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//传递非法参数异常
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}
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