001// Licensed under the Apache License, Version 2.0 (the "License");
002// you may not use this file except in compliance with the License.
003// You may obtain a copy of the License at
004//
005// http://www.apache.org/licenses/LICENSE-2.0
006//
007// Unless required by applicable law or agreed to in writing, software
008// distributed under the License is distributed on an "AS IS" BASIS,
009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
010// See the License for the specific language governing permissions and
011// limitations under the License.
012package org.apache.tapestry5.services;
013
014import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration;
015
016/**
017 * Service that provides information about component libraries.
018 * 
019 * @since 5.4
020 * @see LibraryMapping
021 * @see ComponentLibraryInfo
022 */
023@UsesOrderedConfiguration(ComponentLibraryInfoSource.class)
024public interface ComponentLibraryInfoSource
025{
026    
027    /**
028     * Finds information about a component library. 
029     * @param libraryMapping the {@link LibraryMapping} that defined a component library.
030     * @return a {@link ComponentLibraryInfo} or <code>null</code>.
031     */
032    ComponentLibraryInfo find(LibraryMapping libraryMapping);
033    
034}