New paragraph is appending data from previous one.

[Antonio Gurisatti <maguri (at) epm.net.co>]

I'm brand new using iText and I'm trying to build some reports in an 
Eclipse RCP application.

The report is very simple. It reads  some records from a database and 
prints them.

This is the source:

package com.maguri.derbypad.reports;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.sql.ResultSet;
import java.sql.SQLException;

import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Font;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
import com.maguri.derbypad.db.sql.NavigatorSql;
import com.maguri.utilities.DateUtilities;

/**
*  (at) author agurisatti
*
*/
public class ObjectInventoryReport {

   Font tit1 = new Font(Font.HELVETICA, 12, Font.BOLD);

   Font tit2 = new Font(Font.HELVETICA, 9, Font.BOLD);

   Font tit3 = new Font(Font.HELVETICA, 7, Font.NORMAL);

   Font paragraph1 = new Font(Font.HELVETICA, 8, Font.NORMAL);

   protected Document document;

   protected Paragraph title1;

   protected Paragraph title2;

   protected Paragraph title3;

   protected Paragraph emptyline = new Paragraph(" ");

   protected Paragraph pschema;

   protected Chunk schemaLabel = new Chunk(" Schema: ", tit2);

   protected Chunk schemaName;

   /**
    *
    */
   public ObjectInventoryReport() {
       initialize();
   }

   private void initialize() {
       document = new Document();
       try {
           PdfWriter.getInstance(document, new FileOutputStream(
                   "D:/Temporal/HelloWorld.pdf"));
       } catch (FileNotFoundException e) {
           e.printStackTrace();
       } catch (DocumentException e) {
           e.printStackTrace();
       }
       document.setPageSize(PageSize.LETTER);
       document.addTitle("Object Inventory");
       document.addSubject("The inventory of database objects");
       document.addAuthor("maguriWorks");
       document.addCreator("DerbyPad 1.0");

       // Left, right, top, bottom in points (72 x inch)
       document.setMargins(72, 40, 72, 36);
       configureTitles();
   }

   private void configureTitles() {
       title1 = new Paragraph("DerbyPad 1.0", tit3);
       title2 = new Paragraph(
               "Generated on " + DateUtilities.getCurrentDate(), tit3);
       title3 = new Paragraph("Object Inventory", tit1);
   }

   public void generateDocument() {
       document.open();
       printTitles();
       ResultSet rs = NavigatorSql.getSchemas("%");
       try {
           while (rs.next()) {
               printSchemaTitle(rs.getString(1));
           }
       } catch (SQLException e) {
           e.printStackTrace();
       } finally {
           if (rs != null) {
               try {
                   rs.close();
               } catch (SQLException e) {
                   e.printStackTrace();
               }
           }
       }
       document.close();
   }

   private void printTitles() {
       try {
           document.add(title1);
           document.add(title2);
           document.add(title3);
       } catch (DocumentException e) {
           e.printStackTrace();
       }
   }

   private void printSchemaTitle(String schName) {
       pschema = new Paragraph();
       Chunk ch = new Chunk(schName, tit2);
*        pschema.add(schemaLabel);
       pschema.add(ch);*
       try {
           document.add(emptyline);
           document.add(pschema);
       } catch (DocumentException e) {
           e.printStackTrace();
       }
   }
}

The result is quite odd:

DerbyPad 1.0
Generated on 2006-5-18 22:34:40
Object Inventory
Schema: APP
Schema: APPDERBYPAD
Schema: APPDERBYPADESQUEMA1
Schema: APPDERBYPADESQUEMA1ESQUEMA2
Schema: APPDERBYPADESQUEMA1ESQUEMA2ESQUEMA3
Schema: APPDERBYPADESQUEMA1ESQUEMA2ESQUEMA3LOADER_TESTS
Schema: APPDERBYPADESQUEMA1ESQUEMA2ESQUEMA3LOADER_TESTSMGCOMUN

As you can see eache new schema name is appended to the previous one.

The odd thing is that if a change the order of the two statements in bold,

instead of
*        pschema.add(schemaLabel);
       pschema.add(ch);*
use
*        pschema.add(ch);*
*        pschema.add(schemaLabel);

*then the result is:

DerbyPad 1.0
Generated on 2006-5-18 23:20:4
Object Inventory
APP Schema:
DERBYPAD Schema:
ESQUEMA1 Schema:
ESQUEMA2 Schema:
ESQUEMA3 Schema:
LOADER_TESTS Schema:
MGCOMUN Schema:
MGCONTABIL Schema:

I've spent quite a time trying to find the problem but unfortunatelly 
couldn't.

So the question is WHAT AM I DOING WRONG?

Thanks a lot for any help





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