    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.ioc.annotations;
    016
    017    import java.lang.annotation.*;
    018
    019
    020    /**
    021     * Used to guide Tapestry when coercing from a raw type to a field or parameter type, by forcing Tapestry to coerce to
    022     * the intermediate type.  This was introduced to allow coercion from string to a time period (in milliseconds) via
    023     * {@link org.apache.tapestry5.ioc.util.TimeInterval}.
    024     *
    025     * @see org.apache.tapestry5.ioc.annotations.Value
    026     * @see org.apache.tapestry5.ioc.annotations.Symbol
    027     */
    028    @Target({ ElementType.PARAMETER, ElementType.FIELD })
    029    @Retention(RetentionPolicy.RUNTIME)
    030    @Documented
    031    @UseWith(AnnotationUseContext.SERVICE)
    032    public @interface IntermediateType
    033    {
    034        /**
    035         * The intermediate to coerce through.
    036         */
    037        Class value();
    038    }