public class SampleView extends ViewPart {

    /**
     * The ID of the view as specified by the extension.
     */
    public static final String ID = "asher.views.id.SampleView";

    @Inject IWorkbench workbench;


     

    @Override
    public void createPartControl(Composite parent) {
        
        Text text = new Text(parent, SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
        
         File file = new File("/Users/user/Desktop/untitled.json");
         Scanner sc;
        
        try {
            sc = new Scanner(file);
            while (sc.hasNextLine()) 
                  text.setText(text.getText()+"\n"+sc.nextLine()); 
            sc.close();
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    @Override
    public void setFocus() {
    }
}