Eclipse Plugin Get Code from Current Open File

eclipse, eclipse-plugin, java

Solution

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());

Problem

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 say I have the following code: ``` public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, world!"); } } ``` If I have HelloWorld.java open, how do I get that code returned in a `String[]`? The `String[]` would contain: - "public class HelloWorld {" - "public static void main(String[] args) {" - "System.out.println("Hello, world!");" - "}" - "}"

Original source