001/* 002 * Copyright 2002-2006 the original author or authors. 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 * https://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 017package org.springframework.validation; 018 019import java.io.Serializable; 020import java.util.Map; 021 022import org.springframework.util.Assert; 023 024/** 025 * Map-based implementation of the BindingResult interface, 026 * supporting registration and evaluation of binding errors on 027 * Map attributes. 028 * 029 * <p>Can be used as errors holder for custom binding onto a 030 * Map, for example when invoking a Validator for a Map object. 031 * 032 * @author Juergen Hoeller 033 * @since 2.0 034 * @see java.util.Map 035 */ 036@SuppressWarnings("serial") 037public class MapBindingResult extends AbstractBindingResult implements Serializable { 038 039 private final Map<?, ?> target; 040 041 042 /** 043 * Create a new MapBindingResult instance. 044 * @param target the target Map to bind onto 045 * @param objectName the name of the target object 046 */ 047 public MapBindingResult(Map<?, ?> target, String objectName) { 048 super(objectName); 049 Assert.notNull(target, "Target Map must not be null"); 050 this.target = target; 051 } 052 053 054 public final Map<?, ?> getTargetMap() { 055 return this.target; 056 } 057 058 @Override 059 public final Object getTarget() { 060 return this.target; 061 } 062 063 @Override 064 protected Object getActualFieldValue(String field) { 065 return this.target.get(field); 066 } 067 068}