    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
    015package org.apache.tapestry5.annotations;
    016
    017import org.apache.tapestry5.model.ComponentModel;
    018
    019import java.lang.annotation.Documented;
    020import static java.lang.annotation.ElementType.TYPE;
    021import java.lang.annotation.Retention;
    022import static java.lang.annotation.RetentionPolicy.RUNTIME;
    023import java.lang.annotation.Target;
    024
    025import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.*;
    026import 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})
    039public @interface Meta
    040{
    041    /**
    042     * The meta data as a list of "name=value" elements.
    043     */
    044    String[] value();
    045}