import android.content.Context;
import android.text.TextUtils;
import android.util.Xml;
import com.webjet.yzqg.domain.BaseDocs;
import com.webjet.yzqg.domain.UnitDTO;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlSerializer;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
/**
* Created by Administrator on 2016/7/20 0020.
*/
public class UnitService {
private Context mContext;
public UnitService(Context mContext){
this.mContext = mContext;
}
/***
* 读取unit.xml文件
* @return 单位集合对象
* @throws Exception
*/
public List getUnitList() throws Exception{
List unitDTOList = null;
UnitDTO unitDTO = null;
XmlPullParser pullParser = Xml.newPullParser();
pullParser.setInput(mContext.openFileInput("unit.xml"), "UTF-8");
int event = pullParser.getEventType();//触发第一个事件
while(event !=XmlPullParser.END_DOCUMENT){
switch(event){
case XmlPullParser.START_DOCUMENT:
unitDTOList = new ArrayList();
break;
case XmlPullParser.START_TAG:
if("doc".equals(pullParser.getName())){
unitDTO = new UnitDTO();
}
if("name".equals(pullParser.getName())){
unitDTO.setName(pullParser.nextText());
}if("id".equals(pullParser.getName())){
unitDTO.setID(new Integer(pullParser.nextText()));
}if("parentId".equals(pullParser.getName())){
unitDTO.setParentID(new Integer(pullParser.nextText()));
}
if("unitLevel".equals(pullParser.getName())){
unitDTO.setUnitLevel(new Integer(pullParser.nextText()));
} if("location".equals(pullParser.getName())){
unitDTO.setLOCATION(pullParser.nextText());
}
break;
case XmlPullParser.END_TAG:
String value = pullParser.getName();
if(value.equals("doc")&&unitDTO!=null&&unitDTOList!=null)
{
// 添加对象到list中
unitDTOList.add(unitDTO);
unitDTO = null;
}
break;
}
event = pullParser.next();
}
return unitDTOList;
}
//保存单位集合到unit.xml文件中
public void save(List values, String fileName){
if(values==null||values.isEmpty()){
return;
}
if(TextUtils.isEmpty(fileName)){
fileName="unit.xml";
}
try {
XmlSerializer serializer = Xml.newSerializer();//获取XML写入信息的序列化对象
FileOutputStream outStream = mContext.openFileOutput(fileName, Context.MODE_PRIVATE);
serializer.setOutput(outStream, "UTF-8");//设置要写入的OutputStream
serializer.startDocument("UTF-8", true);//设置文档标签
serializer.startTag(null, "docs");//设置开始标签,第一个参数为namespace
for (UnitDTO doc : values) {
serializer.startTag(null, "doc");
serializer.startTag(null, "name");
serializer.text(doc.getName());
serializer.endTag(null, "name");
serializer.startTag(null, "id");
serializer.text(doc.getID() + "");
serializer.endTag(null, "id");
serializer.startTag(null, "parentId");
serializer.text(doc.getParentID() + "");
serializer.endTag(null, "parentId");
serializer.startTag(null, "unitLevel");
serializer.text(doc.getUnitLevel() + "");
serializer.endTag(null, "unitLevel");
serializer.startTag(null, "location");
serializer.text(doc.getLOCATION() + "");
serializer.endTag(null, "location");
serializer.endTag(null, "doc");
}
serializer.endTag(null, "docs");
serializer.endDocument();
outStream.flush();
outStream.close();
}catch (Exception e){
e.printStackTrace();
}
}
}
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