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.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    /**
026     * Allows for the specification of per-component meta-data. Meta data can later be accessed via {@link
027     * ComponentModel#getMeta(String)}. Meta data keys are case insensitive. Meta data defined by a subclass overrides meta
028     * data for the super class (where the keys conflict).
029     */
030    @Target(TYPE)
031    @Retention(RUNTIME)
032    @Documented
033    public @interface Meta
034    {
035        /**
036         * The meta data as a list of "name=value" elements.
037         */
038        String[] value();
039    }