001    // Copyright 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 java.lang.annotation.*;
018    
019    import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.PAGE;
020    import org.apache.tapestry5.ioc.annotations.UseWith;
021    
022    /**
023     * An annotation on a page component used to identify the content type the page returns. An alternative to the {@link
024     * org.apache.tapestry5.annotations.Meta} annotation with the {@link org.apache.tapestry5.MetaDataConstants#RESPONSE_CONTENT_TYPE}
025     * key.
026     */
027    @Target({ElementType.TYPE})
028    @Retention(RetentionPolicy.RUNTIME)
029    @Documented
030    @UseWith(PAGE)
031    public @interface ContentType
032    {
033        /**
034         * The content type for the page.  Typically, something like "text/html".
035         */
036        String value();
037    }