| /* |
| * Copyright 2003-2007 the original author or authors. |
| * |
| * Licensed 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> |
| * @version $Revision$ |
| */ |
| public class IteratorClosureAdapter extends Closure { |
| |
| private final List list = new ArrayList(); |
| private MetaClass metaClass = InvokerHelper.getMetaClass(this); |
| |
| public IteratorClosureAdapter(Object delegate) { |
| super(delegate); |
| } |
| |
| public MetaClass getMetaClass() { |
| return metaClass; |
| } |
| |
| public void setMetaClass(MetaClass metaClass) { |
| this.metaClass = metaClass; |
| } |
| |
| public List asList() { |
| return list; |
| } |
| |
| protected Object doCall(Object argument) { |
| list.add(argument); |
| return null; |
| } |
| } |