| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| def count = 0 |
| // tag::event[] |
| onMethodSelection { expr, node -> |
| if (node.declaringClass.name == 'java.lang.String') { |
| // calling a method on 'String' |
| // let’s perform additional checks! |
| if (++count>2) { |
| addStaticTypeError("You can use only 2 calls on String in your source code",expr) |
| } |
| } |
| } |
| // end::event[] |
