Printing TXT files with JAVA

Hi !!

Iým trying to send the content of a .txt file to the default printer whith the next code; I read the file, and this method accept a String with the content I must print. The printing must be quiet.

// Iýve read the code in sun forum, and I only made little changes....

public void PrintFileString(String fileContent){

DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();

// getting PrintService
PrintService service = PrintServiceLookup.lookupDefaultPrintService();

if (service != null){
System.out.println("Default Printer: " + service.getName());

// Creating DocPrintJob
DocPrintJob job = service.createPrintJob();
try{
// String to InputStream
ByteArrayInputStream bais = new ByteArrayInputStream(fichero.getBytes());
Doc doc = new SimpleDoc(bais,flavor,null);
job.print(doc,aset);
}
catch(Exception a){
System.out.println(a + "error");
}
}
}

I can print, in the default printer, but I need to change properties of printed document...

Can I do it ??
How can I change orientation document (landscape, portrait) ??
How can I change margins ??
How can I print more than one copy ??

Really Thanks.


Really Thanks
djdc74Asked:
Who is Participating?
 
Giant2Connect With a Mentor Commented:
Sorry for the late, I was out of the net.

Ok. To specify the properties (and use your code) you can use aset variable.
--->>PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();<---in your code

See here for what you want to do:

portrait landscape
http://www.javaalmanac.com/egs/javax.print.attribute.standard/Orient.html

num of copies
http://www.javaalmanac.com/egs/javax.print.attribute.standard/NumCopies.html

I think these caould help you.
Bye, Giant.
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NaeemgCommented:
hey, use my code , the fully tested class.



/**
 * <p>Title: Text Printer</p>
 * <p>Description: This Module prints the given data to the printer</p>
 * <p>Copyright: Copyright (c) 2003-2004</p>
 * <p>Company: </p>
 * @author Naeem Shehzad
 * @version Z.0.0.2
 */

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.Properties;
import javax.swing.*;


public class FraPrintTextDoc extends JFrame
{
  JTextArea textArea = new JTextArea();
  private Properties p = new Properties();
  private int margin = 72;
  JPanel jPanelData = new JPanel();
  String ThisData;
  JPanel jPanelMain = new JPanel();
  BorderLayout borderLayout1 = new BorderLayout();
  JPanel jPanelButtons = new JPanel();
  JButton jbPrint = new JButton();
  JButton jbCancel = new JButton();
  JScrollPane jScrollPane1 = new JScrollPane();
  BorderLayout borderLayout2 = new BorderLayout();

  public FraPrintTextDoc(String thisData)
  {
    try
    {
      System.out.println(thisData);
      jbInit();
      textArea.setText(thisData);
      this.setTitle("Print Preview of Text Data");
      this.pack();
    }
    catch (Exception ex)
    {
     ex.printStackTrace();
    }
  }

  private void jbInit() throws Exception
  {
    //super ("Print Preview - ");
    jPanelMain.setLayout(borderLayout1);
    jbPrint.setMnemonic('P');
    jbPrint.setText("Print");
    jbPrint.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        jbPrint_actionPerformed(e);
      }
    });
    jbCancel.setActionCommand("jbCacnel");
    jbCancel.setMnemonic('C');
    jbCancel.setText("Cancel");
    jbCancel.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        jbCancel_actionPerformed(e);
      }
    });
    textArea.setWrapStyleWord(false);
    jPanelData.setLayout(borderLayout2);
    jPanelButtons.add(jbPrint, null);
    jPanelButtons.add(jbCancel, null);
    jScrollPane1.getViewport().add(textArea, null);
    jPanelMain.add(jPanelData, BorderLayout.CENTER);
    jPanelData.add(jScrollPane1, BorderLayout.CENTER);
    jPanelMain.add(jPanelButtons, BorderLayout.NORTH);
    this.getContentPane() .add(jPanelMain, BorderLayout.CENTER);
    //this.setBounds((XMLApplication.frame.getWidth() / 2) - (390 / 2),
      //                             (XMLApplication.frame.getHeight() / 2) - (364 / 2), //** Position
         //                          390, 364);
    this.setBounds(200,200,200,200);
  }

  private void printData()
  {
    PrintJob pjob = getToolkit().getPrintJob(this, "Text Document", p);
    if (pjob != null)
    {
      Graphics pg = pjob.getGraphics();
      if (pg != null)
      {
        String s = textArea.getText();
        printLongString(pjob, pg, s);
        pg.dispose();
      }
      pjob.end();
    }

  }

  //*** assuming a one-inch margin on all
  //*** four sides. This could be done better.

  //*** Print string to graphics via printjob
  //*** Does not deal with word wrap or tabs
  private void printLongString(PrintJob pjob, Graphics pg, String s)
  {

    int pageNum = 1;
    int linesForThisPage = 0;
    int linesForThisJob = 0;
    //*** Note: String is immutable so won't change while printing.
    if (! (pg instanceof PrintGraphics))
    {
      throw new IllegalArgumentException("Graphics context not PrintGraphics");
    }
    StringReader sr = new StringReader(s);
    LineNumberReader lnr = new LineNumberReader(sr);
    String nextLine;
    int pageHeight = pjob.getPageDimension().height - margin;
    Font helv = new Font("Helvetica", Font.PLAIN, 12);
    //*** have to set the font to get any output
    pg.setFont(helv);
    FontMetrics fm = pg.getFontMetrics(helv);
    int fontHeight = fm.getHeight();
    int fontDescent = fm.getDescent();
    int curHeight = margin;
    try
    {
      do
      {
        nextLine = lnr.readLine();
        if (nextLine != null)
        {
          if ( (curHeight + fontHeight) > pageHeight)
          {
            //*** New Page
            System.out.println("" + linesForThisPage + " lines printed for page " + pageNum);
            if (linesForThisPage == 0)
            {
              System.out.println("Font is too big for pages of this size; aborting...");
              break;
            }
            pageNum++;
            linesForThisPage = 0;
            pg.dispose();
            pg = pjob.getGraphics();
            if (pg != null)
            {
              pg.setFont(helv);
            }
            curHeight = 0;
          }
          curHeight += fontHeight;
          if (pg != null)
          {
            pg.drawString(nextLine, margin, curHeight - fontDescent);
            linesForThisPage++;

            linesForThisJob++;
          }
          else
          {
            //System.out.println("pg null");
          }
        }
      }
      while (nextLine != null);
    }
    catch (EOFException eof)
    {
    //*** Fine, ignore
    }
    catch (Throwable t)
    { //*** Anything else
      t.printStackTrace();
    }
   System.out.println("" + linesForThisPage + " lines printed for page " + pageNum);
   System.out.println("pages printed: " + pageNum);
   System.out.println("total lines printed: " + linesForThisJob);
  }

  void jbCancel_actionPerformed(ActionEvent e)
  {
    this.dispose();
  }

  void jbPrint_actionPerformed(ActionEvent e)
  {
("Printing...");
    printData();
    this.dispose();
  }

}

//Naeem Shehzad Ghuman
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djdc74Author Commented:
First of all, my english is not good, sorry.

I´ve visited most of pages you post, but I don´t want graphic print, and the other ones are a few hards for me...

I want modify my little code to configure margins, copies and orientation, and is a pain for me, because I´m not a java developper.

If I can´t do it with little modifications, then this is not valid for me, and I soud find one other method to do.

Really Thanks everybody. Could you help me more ???

THX....
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Giant2Commented:
>How can I change orientation document (landscape, portrait) ??
You can do when you open the Printer page

>How can I change margins ??
You could set the attribute of your Doc object

>How can I print more than one copy ??
You can do when you open the Printer page

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djdc74Author Commented:
I am really confuse... Java is not my "native language"...

Giant2, can you explain on my code your comments ??
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Giant2Commented:
>>How can I change orientation document (landscape, portrait) ??
>You can do when you open the Printer page

>>How can I print more than one copy ??
>You can do when you open the Printer page

over your PrintJob object you can call these methods:
printDialog()
and
printDialog(PrintRequestAttributeSet attributes)
The first open a printer page where you can specify the orientation and other attribute.
The second open a printer page, as previous, but you can pass it your default attribute.

>>How can I change margins ??
>You could set the attribute of your Doc object

I see you have an object called p for the properties. You can specify it.
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djdc74Author Commented:
p object ??
I don´t have a p object for the properties...
this object is form Naeemg code, but is too complicated for me....

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Giant2Commented:
:)
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djdc74Author Commented:
Oh, damn

the solution don´t work with text.

I finally reach print an image in landscape mode, but if I try to print a text file, the orientation don´t change.


The code is the same, but if I try to print a file I write:

InputStream is = new BufferedInputStream(
                new FileInputStream("c:\\file.txt"));

            // Find the default service
            DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;


And if I try to print an Image I write:
InputStream is = new BufferedInputStream(
                new FileInputStream("c:\\image.gif"));

            // Find the default service
            DocFlavor flavor = DocFlavor.INPUT_STREAM.GIF;



In the file case I tried to change the AUTOSENSE by other things, but don´t work. A sun.print.PrintJobFlavorException: invalid flavor is trhow.

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Giant2Commented:
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djdc74Author Commented:
I tried all options, but no success.

:""(
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