001// Copyright 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.test; 016 017import org.apache.hivemind.Location; 018import org.apache.tapestry.enhance.EnhanceUtils; 019import org.apache.tapestry.enhance.EnhancementOperation; 020import org.apache.tapestry.enhance.EnhancementWorker; 021import org.apache.tapestry.spec.IComponentSpecification; 022 023/** 024 * Forces the creation of a property, overrriding an existing implementation. Allows test code to 025 * set the specification and messages properties of components. 026 * 027 * @author Howard M. Lewis Ship 028 * @since 4.0 029 */ 030public class CreatePropertyWorker implements EnhancementWorker 031{ 032 private final String _propertyName; 033 034 private final Location _location; 035 036 public CreatePropertyWorker(String propertyName, Location location) 037 { 038 _propertyName = propertyName; 039 _location = location; 040 } 041 042 public void performEnhancement(EnhancementOperation op, IComponentSpecification spec) 043 { 044 Class propertyType = EnhanceUtils.extractPropertyType(op, _propertyName, null); 045 046 op.claimProperty(_propertyName); 047 048 String field = "_$" + _propertyName; 049 050 op.addField(field, propertyType); 051 052 EnhanceUtils.createSimpleAccessor(op, field, _propertyName, propertyType, _location); 053 054 EnhanceUtils.createSimpleMutator(op, field, _propertyName, propertyType, _location); 055 } 056}