package com.tom_roush.pdfbox.pdmodel.interactive.action;
import com.tom_roush.pdfbox.cos.COSArray;
import com.tom_roush.pdfbox.cos.COSBase;
import com.tom_roush.pdfbox.cos.COSDictionary;
import com.tom_roush.pdfbox.cos.COSName;
import com.tom_roush.pdfbox.pdmodel.common.COSArrayList;
import com.tom_roush.pdfbox.pdmodel.common.PDDestinationOrAction;
import java.util.ArrayList;
import java.util.List;
/**
* This represents an action that can be executed in a PDF document.
*
* @author Ben Litchfield
* @author Panagiotis Toumasis
*/
public abstract class PDAction implements PDDestinationOrAction
{
/**
* The type of PDF object.
*/
public static final String TYPE = "Action";
/**
* The action dictionary.
*/
protected COSDictionary action;
/**
* Default constructor.
*/
public PDAction()
{
action = new COSDictionary();
setType( TYPE );
}
/**
* Constructor.
*
* @param a The action dictionary.
*/
public PDAction( COSDictionary a )
{
action = a;
}
/**
* Convert this standard java object to a COS object.
*
* @return The cos object that matches this Java object.
*/
@Override
public COSDictionary getCOSObject()
{
return action;
}
/**
* This will get the type of PDF object that the actions dictionary describes.
* If present must be Action for an action dictionary.
*
* @return The Type of PDF object.
*/
public String getType()
{
return action.getNameAsString( COSName.TYPE );
}
/**
* This will set the type of PDF object that the actions dictionary describes.
* If present must be Action for an action dictionary.
*
* @param type The new Type for the PDF object.
*/
public final void setType( String type )
{
action.setName(COSName.TYPE, type );
}
/**
* This will get the type of action that the actions dictionary describes.
* If present, must be Action for an action dictionary.
*
* @return The S entry of actions dictionary.
*/
public String getSubType()
{
return action.getNameAsString(COSName.S);
}
/**
* This will set the type of action that the actions dictionary describes.
* If present, must be Action for an action dictionary.
*
* @param s The new type of action.
*/
public void setSubType( String s )
{
action.setName(COSName.S, s);
}
/**
* This will get the next action, or sequence of actions, to be performed after this one.
* The value is either a single action dictionary or an array of action dictionaries
* to be performed in order.
*
* @return The Next action or sequence of actions.
*/
public List<PDAction> getNext()
{
List<PDAction> retval = null;
COSBase next = action.getDictionaryObject(COSName.NEXT);
if( next instanceof COSDictionary )
{
PDAction pdAction = PDActionFactory.createAction( (COSDictionary) next );
retval = new COSArrayList<PDAction>(pdAction, next, action, COSName.NEXT);
}
else if( next instanceof COSArray )
{
COSArray array = (COSArray)next;
List<PDAction> actions = new ArrayList<PDAction>();
for( int i=0; i<array.size(); i++ )
{
actions.add( PDActionFactory.createAction( (COSDictionary) array.getObject( i )));
}
retval = new COSArrayList<PDAction>( actions, array );
}
return retval;
}
/**
* This will set the next action, or sequence of actions, to be performed after this one.
* The value is either a single action dictionary or an array of action dictionaries
* to be performed in order.
*
* @param next The Next action or sequence of actions.
*/
public void setNext( List<?> next )
{
action.setItem(COSName.NEXT, COSArrayList.converterToCOSArray( next ) );
}
}