zj1filereader.java

MAP GIS 一种底层的JAVA程序

import java.io.*;
import java.awt.geom.Point2D;
import java.util.ArrayList;

public class Zj1FileReader 
{
	private ArrayList annotations = null;
	public Zj1FileReader()
	{
		annotations = new ArrayList();
	}
	public ArrayList getAnnoData()
	{
		return annotations;
	}
	public void readData(String zj1File)
	{
		try
		{
			BufferedReader in = new BufferedReader(new FileReader(zj1File));
			String s;
			String s1, s2;
			double x,y;
			int len, i;
			while((s = in.readLine()) != null)
			{
				ZbaAnnotation anno = new ZbaAnnotation();
				s= s.trim();
				i = s.indexOf(32);
				if(i == -1) break;
			        s2 = s.substring(i);
			        s1 = s.substring(0,i);
				anno.setGrade(Short.parseShort(s1));
				
				s2 = s2.trim();
				i = s2.indexOf(32);
				s1 = s2.substring(0,i);
				s2 = s2.substring(i);
				x = Double.parseDouble(s1);
				s2 = s2.trim();
				i = s2.indexOf(32);
				s1 = s2.substring(0,i);
				s2 = s2.substring(i);
				y = Double.parseDouble(s1);
				anno.setLocation(new Point2D.Double(x,y));
				
				s2 = s2.trim();				
				anno.setAnno(s2);
				annotations.add(anno);
			}
			in.close();
		}
		catch(Exception e) 
		{
		       System.out.println(e);
       
  		}
	}
}