Method readLines

examples/src/main/java/File.java:131–142

Read the remaining lines in the file and return them in an array. Implements a JavaScript function that reads all remaining lines from the current position in the file and returns them as a JavaScript Array object. This is a good example of creating a new array and setting elements in that a

()

     *     object, or if the file cannot be read
     */
    @JSFunction
    public Object readLines() throws IOException {
        List<String> list = new ArrayList<String>();
        String s;
        while ((s = readLine()) != null) {
            list.add(s);
        }
        String[] lines = list.toArray(new String[list.size()]);
        TopLevel scope = ScriptableObject.getTopLevelScope(getParentScope());
        Context cx = Context.getCurrentContext();
        return cx.newObject(scope, "Array", lines);
    }

    /**
     * Read a single line from the file.