    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.Documented;
    018import java.lang.annotation.ElementType;
    019import java.lang.annotation.Retention;
    020import java.lang.annotation.RetentionPolicy;
    021import java.lang.annotation.Target;
    022
    023
    024/**
    025 * Used to guide Tapestry when coercing from a raw type to a field or parameter type, by forcing Tapestry to coerce to
    026 * the intermediate type.  This was introduced to allow coercion from string to a time period (in milliseconds) via
    027 * <a href="https://tapestry.apache.org/current/apidocs/org/apache/tapestry5/commons/util/TimeInterval.html">TimeInterval</a>
    028 *
    029 * @see org.apache.tapestry5.ioc.annotations.Value
    030 * @see org.apache.tapestry5.ioc.annotations.Symbol
    031 */
    032@Target({ ElementType.PARAMETER, ElementType.FIELD })
    033@Retention(RetentionPolicy.RUNTIME)
    034@Documented
    035@UseWith(AnnotationUseContext.SERVICE)
    036public @interface IntermediateType
    037{
    038    /**
    039     * The intermediate to coerce through.
    040     */
    041    Class value();
    042}