| /* |
| * 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. |
| */ |
| package org.codehaus.groovy.runtime; |
| |
| import groovy.lang.Closure; |
| import groovy.lang.MetaClass; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A closure which stores calls in a List so that method calls |
| * can be iterated over in a 'yield' style way |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| */ |
| public class IteratorClosureAdapter<T> extends Closure { |
| |
| private final List<T> list = new ArrayList<T>(); |
| private MetaClass metaClass = InvokerHelper.getMetaClass(getClass()); |
| |
| public IteratorClosureAdapter(Object delegate) { |
| super(delegate); |
| } |
| |
| public MetaClass getMetaClass() { |
| return metaClass; |
| } |
| |
| public void setMetaClass(MetaClass metaClass) { |
| this.metaClass = metaClass; |
| } |
| |
| public List<T> asList() { |
| return list; |
| } |
| |
| protected Object doCall(T argument) { |
| list.add(argument); |
| return null; |
| } |
| } |