    001    // Copyright 2007, 2008, 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
    015    package org.apache.tapestry5.annotations;
    016
    017    import org.apache.tapestry5.model.ComponentModel;
    018
    019    import java.lang.annotation.Documented;
    020    import static java.lang.annotation.ElementType.TYPE;
    021    import java.lang.annotation.Retention;
    022    import static java.lang.annotation.RetentionPolicy.RUNTIME;
    023    import java.lang.annotation.Target;
    024
    025    import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.*;
    026    import org.apache.tapestry5.ioc.annotations.UseWith;
    027
    028    /**
    029     * Allows for the specification of per-component meta-data. Meta data can later be accessed via {@link
    030     * ComponentModel#getMeta(String)}. Meta data keys are case insensitive. Meta data defined by a subclass overrides meta
    031     * data for the super class (where the keys conflict).
    032     *
    033     * @see org.apache.tapestry5.MetaDataConstants
    034     */
    035    @Target(TYPE)
    036    @Retention(RUNTIME)
    037    @Documented
    038    @UseWith({COMPONENT,MIXIN,PAGE})
    039    public @interface Meta
    040    {
    041        /**
    042         * The meta data as a list of "name=value" elements.
    043         */
    044        String[] value();
    045    }