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    
015    package org.apache.tapestry5.annotations;
016    
017    import java.lang.annotation.Documented;
018    import static java.lang.annotation.ElementType.FIELD;
019    import static java.lang.annotation.ElementType.PARAMETER;
020    import java.lang.annotation.Retention;
021    import static java.lang.annotation.RetentionPolicy.RUNTIME;
022    import java.lang.annotation.Target;
023    
024    import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.*;
025    
026    import org.apache.tapestry5.Asset;
027    import org.apache.tapestry5.ioc.annotations.Inject;
028    import 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 })
039    public @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    }