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