import ij.*;
import ij.process.*; // needed for ImageProcessor
import ij.gui.*;
import ij.io.*;  // needed for Opener
import ij.plugin.filter.PlugInFilter;
import ij.plugin.*;  // needed for plugin  
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.FileNotFoundException;
 
 
public class Template_Test implements PlugIn, PlugInFilter 
{
  private GenericRecallableDialog gd;
  String imgAddress;
 
  public void run(String arg) 
  {
     gd = new GenericRecallableDialog("Select Template from file and find matches", IJ.getInstance());
     gd.addButton("1 Pence");
	 gd.addButton("2 Pence");
	 gd.addButton("5 Pence");
	 gd.addButton("1 Pound");
     gd.showDialog(); 
 
	 while (!(gd.wasCanceled())) 
	 { 
       if (gd.getFocusOwner() == null) IJ.wait(500);
	   if (gd.getButtonValue(0)) 
	   { 
	     imgAddress = "C:\\Documents and Settings\\Garys\\Desktop\\Project\\My Project\\1pence";
		 IJ.showMessage("Finished.","Area is "+match(imgAddress));}
 
       if (gd.getButtonValue(1)) 
	   {
         imgAddress = "C:\\Documents and Settings\\Garys\\Desktop\\Project\\My Project\\2pence";
		 IJ.showMessage("Finished.","Area is "+match(imgAddress));}
 
	   if (gd.getButtonValue(2)) 
	   {
         imgAddress = "C:\\Documents and Settings\\Garys\\Desktop\\Project\\My Project\\5pence";
	     IJ.showMessage("Finished.","Area is "+match(imgAddress));}
 
	   if (gd.getButtonValue(3)) 
	   {
         imgAddress = "C:\\Documents and Settings\\Garys\\Desktop\\Project\\My Project\\1pound";
	     IJ.showMessage("Finished.","Area is "+match(imgAddress));}
	 } 
 
	 public double match(String addr) 
	 {
		 Opener o = new Opener();
   		 o.open(addr);
		 ImagePlus newimp = WindowManager.getCurrentImage();
		 IJ.run("Make Binary");
         IJ.run("Fill Holes");
		 IJ.run("Analyze Particles...", "size=1000-9999999 circularity=0.00-1.00 show=Nothing display clear summarize record");
		 IJ.saveAs("Measurements", "C:\\Documents and Settings\\Garys\\Desktop\\Project\\My Project\\Results.xls");
	   	 try
		 {
	       POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream("Results.xls"));
		   HSSFWorkbook hssfworkbook = new HSSFWorkbook(fs);
		   HSSFSheet sheet = hssfworkbook.getSheetAt(0);
		   HSSFCell currentStateCell = null;
           HSSFRow currentRow = sheet.getRow(1);
		   currentStateCell = currentRow.getCell((short)1);
		   double area = currentStateCell.getNumericCellValue();
		 }
 
	     catch(FileNotFoundException fnfe)
		 {
           System.out.println("File Results not found.");}
 
         catch(IOException ioe)
		 {
           System.out.println("Unable to read from Results");}
 
	     return area;
	 }
  }
}

catch(FileNotFoundException fnfe)
{
   System.out.println("File Results not found.");}
catch(IOException ioe)
{
   System.out.println("Unable to read from Results");}
   return area;
}

if () {
    if () {
         for (;;) {
 
         }
         while () {
 
         }
    } else {
 
    }
}