001// Copyright 2009 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.tapestry5.internal.services; 016 017import org.apache.tapestry5.model.ComponentModel; 018 019/** 020 * Access to component models (as provided via {@link org.apache.tapestry5.internal.services.ComponentInstantiatorSource}). 021 * <p/> 022 * This is a good candidate to move into the public services package. 023 * 024 * @since 5.1.0.0 025 */ 026public interface ComponentModelSource 027{ 028 /** 029 * Returns the model for a particular component class name. 030 * 031 * @param componentClassName name of component class 032 * @return model for component 033 * @throws IllegalArgumentException if component class name does not match a known component 034 */ 035 ComponentModel getModel(String componentClassName); 036 037 /** 038 * Returns the model for a page. The page name is resolved to a component class name. 039 * 040 * @param pageName name of page 041 * @return the model for the page 042 * @throws IllegalArgumentException if the page name is not a known page name 043 */ 044 ComponentModel getPageModel(String pageName); 045}