Eclipse Plugin Get Code from Current Open File

Question

How can I get the code from the current open file in Eclipse returned in a String or String[]? I need this for a plugin I\'m making.

Let\'s

Answer 1

To get the currently edited file's content you can do something like that:

IWorkbenchPart workbenchPart = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart(); 
IFile file = (IFile) workbenchPart.getSite().getPage().getActiveEditor().getEditorInput().getAdapter(IFile.class);
if (file == null) throw new FileNotFoundException();
String content = IOUtils.toString(file.getContents(), file.getCharset());