    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.ioc.annotations;
    016
    017import 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)
    032public @interface IntermediateType
    033{
    034    /**
    035     * The intermediate to coerce through.
    036     */
    037    Class value();
    038}