filetoelement.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.surface;

import java.io.*;
import net.aetherial.gis.garmin.*;
import org.w3c.dom.*;
import net.aetherial.gis.our.ToMap;
import net.aetherial.gis.util.Encryption;
import net.aetherial.gis.our.FrameOur;

public class FileToElement
    extends Thread {
  private FrameMain fm = null;
  private FrameOur fo = null;
  File f = null;
  int pos = 0;
  String content = "";
  private DialogProgress dp = new DialogProgress();
  public FileToElement() {
  }

  public FileToElement(File f) {
    dp.show();
  }

  public FileToElement(File f, FrameMain fm) {
    dp.show();
    this.f = f;
    this.fm = fm;
  }

  public FileToElement(FrameMain fm) {
    this.fm = fm;
  }

  public void setFile(File f) {
    this.f = f;
    this.dp.show();
  }

  public void setDpHide() {
    this.dp.hide();
  }

  public FileToElement(File f, FrameOur fo) {
    if (ItemValue.getShowDialogMessage()) {
      dp.show();
    }
    this.f = f;
    this.fo = fo;
  }

  public void run() {

    ItemValue.nianBao = !(f.getAbsolutePath().indexOf("非年报") > -1 || f.getAbsolutePath().indexOf("村") > -1);
    ItemValue.ganXian = "G|S|X|Y|g|s|x|y".indexOf(""+ f.getName().charAt(0)) > -1;

    ItemValue.ganXianName = f.getName().substring(0,f.getName().indexOf("."));

    long idTemp = 0;
    if (ItemValue.encrypt == true) {
      try {
        this.readEncryptFile();
      }
      catch (Exception ex1) {
        ItemValue.addError("文件：" + f.getAbsolutePath() + "不能打开。原因是：" + ex1.getMessage() +"。");
        System.out.println(f.getAbsolutePath() + "不能打开。");
        if (this.fm != null) {
          fm.catchReadException(ex1);
        }else{
          this.setDpHide();
        }
        return;
      }
    }
    else {
      this.readFile();
    }
    if (content.length() > 2) {
      //if (content.indexOf("<gml:name>") != -1) {
//      content = content.replaceAll("gml:Point",
//                                   "gml_Point").replaceAll("gml:name",
//          "gml_name").replaceAll("gml:coord", "gml_coord")
//
//          .replaceAll("gml:LineString", "gml_LineString")
//          .replaceAll("gml:number", "gml_number")
//          .replaceAll("gml:grade", "gml_grade")
//          .replaceAll("gml:type", "gml_type")
//          .replaceAll("gml:width", "gml_width")
//          .replaceAll("gml:structure", "gml_structure")
//          .replaceAll("gml:status", "gml_status");
      ByteArrayInputStream in = null;

      byte[] buf = null;
      try {
        buf = content.getBytes("UTF-8");
      }
      catch (UnsupportedEncodingException ex) {
      }
      in = new ByteArrayInputStream(buf);

      //InputStream in = new ByteArrayInputStream(buf);

      FileUseJDom fujd = new FileUseJDom(in);
      fujd.getTracks();
      try {
        fujd.getWaypoints();
      }
      catch (Exception ex2) {
      }

      ItemValue.idLeast = fujd.IDleast;
      idTemp = fujd.IDlargest;
      //  }

      if (fm != null) {
        fm.memoryShow();
      }
      if (fo != null) {
        fo.memoryShow();
      }
      //fm.insertFileText();
      //dif.hide();
      //ItemValue.setNewID();
//      ItemValue.setIDOrder();
      if (idTemp > ItemValue.idLargest) {
        ItemValue.idLargest = idTemp;
      }
      ItemValue.setOldWaypointNum();
      ItemValue.setOldTracksNum();
      //ToMap.rollMemory();
      in = null;
      buf = null;
    }
    dp.hide();
    if (this.fo != null) {
      if (this.fo.batch) {
        ItemValue.showLog(null);
      }
      else {
        ItemValue.showLog(this.fo);
      }
    }
    if (this.fm != null) {
      ItemValue.showLog(this.fm);
    }
  }

  void readFile() {
    String line;
    int countTest = 0;
    try {
      FileInputStream in = new FileInputStream(f);
      int l = Integer.parseInt(f.length() + "");
      byte[] b = new byte[l];
      int inttemp;
      if (l > 0) {
        while (true) {
          if ( (inttemp = in.read(b)) == -1) {
            break;
          }
          this.content = this.content + (line = new String(b, "UTF-8"));
          ;
          dp.jTextField1.setText(line);
          countTest++;
        }
      }
      in.close() ;
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
    System.out.println("countTest:" + countTest);
  }

  void readEncryptFile() throws Exception {
    String line;
    try {
      FileInputStream in = new FileInputStream(f);
      int l = Integer.parseInt(f.length() + "");
      byte[] b = new byte[l];
      int inttemp;
      if (l > 0) {
        while (true) {
          if ( (inttemp = in.read(b)) == -1) {
            break;
          }

          this.content = Encryption.decryptToString(b, Encryption.key);

          //this.content = this.content + (line = new String(b, "UTF-8"));
          dp.jTextField1.setText("");
        }
      }
      in.close();
    }
    catch (Exception ex) {
      throw ex;
    }
  }

  void printContent() {
    System.out.print(content);
  }

  void stringToElement(String str) {
    int trackStart = str.indexOf("<track>");
    getWayPoint(str);
    if (trackStart != -1) {
      str = str.substring(trackStart);
      ItemValue.hasTrack = true;
      int tracksEnd = 0;
      while (true) {
        //如果找不到"<track>",跳出循环
        if (str.indexOf("<track>") == -1) {
          break;
        }
        //得到航迹的名称
        Element e = this.getTracksName(str);
        if (e == null) {
          break;
        }
        //找到"</track>",
        tracksEnd = str.indexOf("</track>");

        //取航迹点
        getTracksPoint(e, str.substring(0, tracksEnd));

        //截取从（tracksPos+8）-->（末尾）的字符串，作为下一个循环的标准。如果没有直接跳出
        if (tracksEnd != -1) {
          str = str.substring(tracksEnd + 8);
        }
        else {
          break;
        }
        //pos = 0;
        //System.out.print(str);
      }
    }
    content = "";
    // GarminGMLDoc.addXmlTrackPoint(e,0,0,0,"2004");
  }

  Element getTracksName(String string) {
    int tracksPos = string.indexOf("<track>");
    if (tracksPos != -1) {
      string = string.substring(tracksPos);
      this.pos = tracksPos;
      System.out.println("tracks item pos:" + tracksPos);

      Element e = null;
      String trackNameBefore = "<gml:name>",
          trackNameAfter = "</gml:name>";
      int pos1 = string.indexOf(trackNameBefore);
      int pos2 = string.indexOf(trackNameAfter);

      if (pos1 == -1) {
        return null;
      }
      if (pos2 == -1) {
        return null;
      }

      System.out.println("Pos info:pos1:" + (pos1 + 10) + ",pos2:" + pos2 +
                         ",pos:" + pos);
      String tracksName = string.substring(pos1 + 10, pos2);
      //fm.insertTracksToTree(tracksName);
      pos = pos + pos2 + 26;
      tracksPos = string.indexOf("<track>");
      if (tracksPos != -1) {
        string = string.substring(tracksPos);
        this.pos = tracksPos + pos;
      }
      ItemValue.tracksNum++;
//      e = GarminGMLDoc.addXmlTrack(tracksName, getTracksNumber(string),
//                                   getTracksGrade(string), getTracksType(string),
//                                   getTracksWidth(string),
//                                   getTracksStructure(string),
//                                   getTracksStatus(string), "", "", "", "", "",
//                                   "", "", "", "", "", "", "", "", "", "", "",
//                                   "");
      return e;
    }
    else {
      return null;
    }
  }

  String getTracksNumber(String string) {
    String trackNumberBefore = "<gml:number>",
        trackNumberAfter = "</gml:number>";
    int pos1 = string.indexOf(trackNumberBefore);
    int pos2 = string.indexOf(trackNumberAfter);
    if (pos1 != -1) {
      pos = pos + pos2 + 13;
      if (pos1 == -1) {
        return null;
      }
      String tracksNumber = string.substring(pos1 + 12, pos2);
      return tracksNumber;
    }
    else {
      return "";
    }
  }

  String getTracksGrade(String string) {
    String trackGradeBefore = "<gml:grade>",
        trackGradeAfter = "</gml:grade>";