code: /*
   * $Id: PDFInfo.java,v 1.2 2007/08/26 18:56:35 gil1 Exp $
   *
   * $Date: 2007/08/26 18:56:35 $
   *
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   * 
   */
  package pdf;
  
  import java.io.*;
  
  /**
   * <p>This class stores details of the author, the PDF generator etc.
   * The values are accessible via the PDFDocument class.</p> 
   *
   * @author Peter T. Mount
   * @author Eric Z. Beard, ericzbeard@hotmail.com
   * @version $Revision: 1.2 $, $Date: 2007/08/26 18:56:35 $
   
   */
  public class PDFInfo extends PDFObject
  {
    private String author;
    private String creator;
    private String title;
    private String subject;
    private String keywords;
  
    /**
     * This constructs a minimal info object
     */
    public PDFInfo() {
      super(null);
    }
    
    /**
     * @param title Title of this document
     */
    public PDFInfo(String title) {
      this();
      this.title = title;
    }
  
  
    
    /**
     * Get the value of author.
     * @return value of author.
     */
    public String getAuthor() {
      return author;
    }
    
    /**
     * Set the value of author.
     * @param v  Value to assign to author.
     */
    public void setAuthor(String  v) {
      this.author = v;
    }
    
    
  
    /**
     * PDF has two values, a Creator and a Producer. The creator field is
     * available for calling code. The producer is fixed by this library.
     * Get the value of creator.
     * @return value of creator.
     */
    public String getCreator() {
      return creator;
    }
    
    /**
     * Set the value of creator.
     * @param v  Value to assign to creator.
     */
    public void setCreator(String  v) {
      this.creator = v;
    }
    
    /**
     * Get the value of title.
     * @return value of title.
     */
    public String getTitle() {
      return title;
    }
    
    /**
     * Set the value of title.
     * @param v  Value to assign to title.
     */
    public void setTitle(String  v) {
      this.title = v;
    }
    
    /**
     * Get the value of subject.
     * @return value of subject.
     */
    public String getSubject() {
      return subject;
    }
    
    /**
     * Set the value of subject.
     * @param v  Value to assign to subject.
     */
    public void setSubject(String  v) {
      this.subject = v;
    }
    
    /**
     * Get the value of keywords.
     * @return value of keywords.
     */
    public String getKeywords() {
      return keywords;
    }
    
    /**
     * Set the value of keywords.
     * @param v  Value to assign to keywords.
     */
    public void setKeywords(String  v) {
      this.keywords = v;
    }
      
    /**
     * @param os OutputStream to send the object to
     * @exception IOException on error
     */
    public void write(OutputStream os) throws IOException {
      // Write the object header
      writeStart(os);
      
      // now the objects body
      
      if(author!=null) {
        os.write("/Author (".getBytes());
        os.write(PDFStringHelper.makePDFString(author).getBytes());
        os.write(")\n".getBytes());
      }
      
      if(creator!=null) {
        os.write("/Creator (".getBytes());
        os.write(PDFStringHelper.makePDFString(creator).getBytes());
        os.write(")\n".getBytes());
      }
      
      os.write("/Producer ".getBytes());
      os.write(PDFStringHelper.makePDFString("gnujpdf - gnujpdf.sourceforge.net")
               .getBytes());
      os.write("\n".getBytes());
      
      if(title!=null) {
        os.write("/Title ".getBytes());
        os.write(PDFStringHelper.makePDFString(title).getBytes());
        os.write("\n".getBytes());
      }
      
      if(subject!=null) {
        os.write("/Subject (".getBytes());
        os.write(PDFStringHelper.makePDFString(subject).getBytes());
        os.write(")\n".getBytes());
      }
      
      if(keywords!=null) {
        os.write("/Keywords (".getBytes());
        os.write(PDFStringHelper.makePDFString(keywords).getBytes());
        os.write(")\n".getBytes());
      }
      
      // finish off with its footer
      writeEnd(os);
    } // end write
    
  } // end class PDFInfo
  