Document document1 = new Document(String.valueOf(file));
TextFragmentAbsorber textFragmentAbsorber = new TextFragmentAbsorber();
document1.getPages().get_Item(1).accept(textFragmentAbsorber);
…...returning text in this order(header, footer, para,cell,para,para...but in pdf page the order is(header, para, textbox,cell,para,para...