Body.java

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

package totalcross.util.pdf;

import java.util.ArrayList;

public class Body extends List
{

   private int mByteOffsetStart;
   private int mObjectNumberStart;
   private int mGeneratedObjectsCount;
   private ArrayList<IndirectObject> mObjectsList;

   public Body()
   {
      super();
      clear();
   }

   public int getObjectNumberStart()
   {
      return mObjectNumberStart;
   }

   public void setObjectNumberStart(int Value)
   {
      mObjectNumberStart = Value;
   }

   public int getByteOffsetStart()
   {
      return mByteOffsetStart;
   }

   public void setByteOffsetStart(int Value)
   {
      mByteOffsetStart = Value;
   }

   public int getObjectsCount()
   {
      return mObjectsList.size();
   }

   private int getNextAvailableObjectNumber()
   {
      return ++mGeneratedObjectsCount + mObjectNumberStart;
   }

   public IndirectObject getNewIndirectObject()
   {
      return getNewIndirectObject(getNextAvailableObjectNumber(), 0, true);
   }

   public IndirectObject getNewIndirectObject(int Number, int Generation, boolean InUse)
   {
      IndirectObject iobj = new IndirectObject();
      iobj.setNumberID(Number);
      iobj.setGeneration(Generation);
      iobj.setInUse(InUse);
      return iobj;
   }

   public IndirectObject getObjectByNumberID(int Number)
   {
      IndirectObject iobj;
      int x = 0;
      while (x < mObjectsList.size())
      {
         iobj = mObjectsList.get(x);
         if (iobj.getNumberID() == Number)
            return iobj;
         x++;
      }
      return null;
   }

   public void includeIndirectObject(IndirectObject iobj)
   {
      mObjectsList.add(iobj);
   }

   private String render()
   {
      int x = 0;
      int offset = mByteOffsetStart;
      while (x < mObjectsList.size())
      {
         IndirectObject iobj = getObjectByNumberID(++x);
         String s = "";
         if (iobj != null)
            s = iobj.toPDFString() + "\n";
         mList.add(s);
         iobj.setByteOffset(offset);
         offset += s.length();
      }
      return renderList();
   }

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

   public void clear()
   {
      super.clear();
      mByteOffsetStart = 0;
      mObjectNumberStart = 0;
      mGeneratedObjectsCount = 0;
      mObjectsList = new ArrayList<IndirectObject>();
   }

}