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 }