BoostedStringBuilder actionPerformedMethod = new BoostedStringBuilder(
new StringBuilder());
actionPerformedMethod.addLn("@Override");
actionPerformedMethod
.addLn("public void actionPerformed(java.awt.event.ActionEvent event) {");
actionPerformedMethod.addLn(" try {");
actionPerformedMethod
.addLn("String command = event.getActionCommand();");
actionPerformedMethod.addLn("if (command == null ){");
actionPerformedMethod
.addLn(" throw new NullPointerException(\"command must not be null\");");