Trailer.java

//
// Android PDF Writer
// http://coderesearchlabs.com/androidpdfwriter
//
// by Javier Santo Domingo (j-a-s-d@coderesearchlabs.com)
//

package totalcross.util.pdf;

public class Trailer extends Base
{

   private int mXRefByteOffset;
   private int mObjectsCount;
   private String mId;
   private Dictionary mTrailerDictionary;

   public Trailer()
   {
      clear();
   }

   public void setId(String Value)
   {
      mId = Value;
   }

   public void setCrossReferenceTableByteOffset(int Value)
   {
      mXRefByteOffset = Value;
   }

   public void setObjectsCount(int Value)
   {
      mObjectsCount = Value;
   }

   private void renderDictionary()
   {
      mTrailerDictionary.setContent("  /Size " + Integer.toString(mObjectsCount));
      mTrailerDictionary.addNewLine();
      mTrailerDictionary.addContent("  /Root 1 0 R");
      mTrailerDictionary.addNewLine();
      mTrailerDictionary.addContent("  /ID [<" + mId + "> <" + mId + ">]");
      mTrailerDictionary.addNewLine();
   }

   private String render()
   {
      renderDictionary();
      StringBuilder sb = new StringBuilder();
      sb.append("trailer");
      sb.append("\n");
      sb.append(mTrailerDictionary.toPDFString());
      sb.append("startxref");
      sb.append("\n");
      sb.append(mXRefByteOffset);
      sb.append("\n");
      sb.append("%%EOF");
      sb.append("\n");
      return sb.toString();
   }

   @Override
   public String toPDFString()
   {
      return render();
   }

   @Override
   public void clear()
   {
      mXRefByteOffset = 0;
      mTrailerDictionary = new Dictionary();
   }
}