001// Copyright 2007, 2008, 2009, 2010 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.beaneditor; 016 017import static java.lang.annotation.RetentionPolicy.RUNTIME; 018import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.BEAN; 019import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.COMPONENT; 020import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.MIXIN; 021import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.PAGE; 022 023import java.lang.annotation.Documented; 024import java.lang.annotation.ElementType; 025import java.lang.annotation.Retention; 026import java.lang.annotation.Target; 027 028import org.apache.tapestry5.ioc.annotations.UseWith; 029 030/** 031 * Used to attach validation constraints directly to a property (either the getter or the setter method). The annotation 032 * value is a comma separated list of <em>validation constraints</em>, each one identifying a validator type (such as 033 * "required", "minlength") and optionally, a constraint value. Most validators need a constraint value, which is 034 * separated from the type by an equals size (i.e., "maxlength=30"). In addition, the value may include 035 * validator macros. 036 * <p/> 037 * May be placed on any getter or setter method, or on the matching field. 038 * 039 * @see Translate 040 */ 041@Target( 042{ ElementType.FIELD, ElementType.METHOD }) 043@Retention(RUNTIME) 044@Documented 045@UseWith( 046{ BEAN, COMPONENT, MIXIN, PAGE }) 047public @interface Validate 048{ 049 String value(); 050}