001// Copyright 2007, 2009, 2011 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.annotations;
016
017import java.lang.annotation.Documented;
018import static java.lang.annotation.ElementType.FIELD;
019import static java.lang.annotation.ElementType.PARAMETER;
020import java.lang.annotation.Retention;
021import static java.lang.annotation.RetentionPolicy.RUNTIME;
022import java.lang.annotation.Target;
023
024import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.*;
025
026import org.apache.tapestry5.Asset;
027import org.apache.tapestry5.ioc.annotations.Inject;
028import org.apache.tapestry5.ioc.annotations.UseWith;
029
030/**
031 * Used in conjunction with the {@link Inject} annotation to inject an {@link Asset} based on a path.
032 */
033@Target(
034{ FIELD, PARAMETER })
035@Documented
036@Retention(RUNTIME)
037@UseWith(
038{ COMPONENT, MIXIN, PAGE, SERVICE })
039public @interface Path
040{
041    /**
042     * The path to the resource; if prefixed (say with "classpath:") then its a complete path within the identified
043     * namespace; otherwise it's a relative path from the class containing the annotation. Symbols will be expanded.
044     */
045    String value();
046}