org.springframework.validation.MapBindingResult Maven / Gradle / Ivy
/*
* Copyright 2002-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.validation;
import java.io.Serializable;
import java.util.Map;
import org.springframework.lang.NonNull;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* Map-based implementation of the BindingResult interface,
* supporting registration and evaluation of binding errors on
* Map attributes.
*
* Can be used as errors holder for custom binding onto a
* Map, for example when invoking a Validator for a Map object.
*
* @author Juergen Hoeller
* @since 2.0
* @see java.util.Map
*/
@SuppressWarnings("serial")
public class MapBindingResult extends AbstractBindingResult implements Serializable {
private final Map target;
/**
* Create a new MapBindingResult instance.
* @param target the target Map to bind onto
* @param objectName the name of the target object
*/
public MapBindingResult(Map target, String objectName) {
super(objectName);
Assert.notNull(target, "Target Map must not be null");
this.target = target;
}
/**
* Return the target Map to bind onto.
*/
public final Map getTargetMap() {
return this.target;
}
@Override
@NonNull
public final Object getTarget() {
return this.target;
}
@Override
@Nullable
protected Object getActualFieldValue(String field) {
return this.target.get(field);
}
}