001 /* 002 * Copyright 2010 Stephen Colebourne 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.joda.convert; 017 018 import java.lang.annotation.ElementType; 019 import java.lang.annotation.Retention; 020 import java.lang.annotation.RetentionPolicy; 021 import java.lang.annotation.Target; 022 023 /** 024 * Annotation used to mark a method or constructor as being suitable for converting 025 * an object from a {@code String}. 026 * <p> 027 * When applying to a method, this annotation should be applied once per class. 028 * The method must be static and have one {@code String} parameter with a 029 * return type of the type that the method is implemented on. 030 * For example, {@link Integer#parseInt(String)}. 031 * <p> 032 * When applying to a constructor, this annotation should be applied to the constructor 033 * that takes one {@code String} parameter. 034 */ 035 @Target({ElementType.METHOD, ElementType.CONSTRUCTOR}) 036 @Retention(RetentionPolicy.RUNTIME) 037 public @interface FromString { 038 039 }