tofile.java

基于Java的地图数据管理软件。使用MySQL数据库管理系统。

package net.aetherial.gis.our;

import net.aetherial.gis.dataType.filter.WptTrkFilter;
import javax.swing.*;
import java.io.File;
import net.aetherial.gis.excel.ExcelFilter;
import net.aetherial.gis.surface.ItemValue;
import org.w3c.dom.Node;
import net.aetherial.gis.dataType.ElementToWpt;
import net.aetherial.gis.surface.CreateFile;
import net.aetherial.gis.dataType.ElementToTrk;
import org.w3c.dom.NodeList;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2004</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class ToFile {
  private File wpt = null,trk = null;
  private static String path = "D:\\GIS\\GPS测量数据\\";
  private String fileName = "fileName";
  private String errorString ="";
  public ToFile() {
    this.fileName = (new File(ItemValue.fileChoosePath)).getName();
  }
  public void saveWptTrk(JFrame jf){
    JFileChooser fileDialog = new JFileChooser();
    //WptTrkFilter filter = new WptTrkFilter();
    //fileDialog.setFileFilter(filter);
    fileDialog.setCurrentDirectory(new File(path));
    fileDialog.setSelectedFile(new File(path+"\\"+this.fileName));
    int result = fileDialog.showSaveDialog(jf);
    if (result == JFileChooser.APPROVE_OPTION) {
      File f = fileDialog.getSelectedFile();
      //this.path = f.getAbsolutePath();
      String path = f.getAbsolutePath();
      String rex = path.substring(path.length()-4,path.length());
      if(rex.startsWith(".")){
        path = path.substring(0,path.length()-4);
      }
      this.path = new File(path).getParent();
      wpt = new File(path+".wpt");
      trk = new File(path+".trk");
      CreateFile cfWpt = new CreateFile(wpt);
      cfWpt.setEncode("GB2312");
      cfWpt.memoryToFile(this.getWptString());
      CreateFile cfTrk = new CreateFile(trk);
      cfTrk.setEncode("GB2312");
      cfTrk.memoryToFile(this.getTrkString());
      JOptionPane.showMessageDialog(jf,"File saved OK!\n"+wpt.getName()+"\n"+trk.getName());
    }
  }
  public void saveWptTrk(File f){
      String path = f.getAbsolutePath();
      String rex = path.substring(path.length()-4,path.length());
      if(rex.startsWith(".")){
        path = path.substring(0,path.length()-4);
      }
      wpt = new File(path+".wpt");
      trk = new File(path+".trk");
      CreateFile cfWpt = new CreateFile(wpt);
      cfWpt.setEncode("GB2312");
      cfWpt.memoryToFile(this.getWptString());
      CreateFile cfTrk = new CreateFile(trk);
      cfTrk.setEncode("GB2312");
      cfTrk.memoryToFile(this.getTrkString());
      System.out.println("File saved OK!\n"+wpt.getName()+"\n"+trk.getName());
  }

  private String  getWptString(){
    ElementToWpt etw = new ElementToWpt();
      etw.setHead();
      int[] pos = ItemValue.getPosition("waypoint");
      for(int i = 0;i<pos.length;i++){
        Node node = ItemValue.getWaypointByWaypointPos(pos[i]);
        etw.appendWpt(ItemValue.getWaypointName(node),ItemValue.getWaypointY(node),ItemValue.getWaypointX(node),ItemValue.getWaypointZ(node),"");
      }
      return etw.getResult();
  }
  private String getTrkString(){

        ElementToTrk ett = new ElementToTrk();
        ett.setHead();
        int[] pos = ItemValue.getPosition("track");
        for (int i = 0; i < pos.length; i++) {
          Node node = ItemValue.getTracksByPos(i);
          NodeList nl = ItemValue.getTracksPoint(node);
          if(nl.getLength()>0){
            ett.appendTrk(ItemValue.getTracksName(node), nl.getLength());
            for (int j = 0; j < nl.getLength(); j++) {
              ett.appendPoint(ItemValue.getTracksPointY(nl.item(j)),
                              ItemValue.getTracksPointX(nl.item(j)),
                              ItemValue.getTracksPointZ(nl.item(j)),
                              ItemValue.getTracksPointTime(nl.item(j)));
            }
          }else{
            this.addErrorString("track point = " + nl.getLength() + " At " + ItemValue.getTracksName(node));
          }
        }
        return ett.getResult();
  }
  public void addErrorString(String error){
    this.errorString =this.errorString + error + "\r\n";
  }
  public String getErrorString(){
    return this.errorString;
  }
}