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}