private final void saveNote()

in notepad/app/src/main/java/com/example/android/notepad/NoteEditor.java [296:339]
28 lines of code
7 McCabe index (conditional complexity)

    private final void saveNote() {
        // Make sure their current
        // changes are safely saved away in the provider.  We don't need
        // to do this if only editing.
        if (mCursor != null) {
            // Get out updates into the provider.
            ContentValues values = new ContentValues();

            // Bump the modification time to now.
            values.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());

            String text = mText.getText().toString();
            int length = text.length();
            // If we are creating a new note, then we want to also create
            // an initial title for it.
            if (mState == STATE_INSERT) {
                if (length == 0) {
                    Toast.makeText(this, R.string.nothing_to_save, Toast.LENGTH_SHORT).show();
                    return;
                }
                String title = text.substring(0, Math.min(30, length));
                if (length > 30) {
                    int lastSpace = title.lastIndexOf(' ');
                    if (lastSpace > 0) {
                        title = title.substring(0, lastSpace);
                    }
                }
                values.put(NoteColumns.TITLE, title);
            }

            // Write our text back into the provider.
            values.put(NoteColumns.NOTE, text);

            // Commit all of our changes to persistent storage. When the update completes
            // the content provider will notify the cursor of the change, which will
            // cause the UI to be updated.
            try {
                getContentResolver().update(mUri, values, null, null);
            } catch (NullPointerException e) {
                Log.e(TAG, e.getMessage());
            }
            
        }
    }