org.springframework.web.bind.support.BindParamNameResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2023 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.web.bind.support;
import org.springframework.core.MethodParameter;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
import org.springframework.validation.DataBinder;
import org.springframework.web.bind.annotation.BindParam;
/**
* {@link org.springframework.validation.DataBinder.NameResolver} that determines
* the bind value name from a {@link BindParam @BindParam} method parameter
* annotation.
*
* @author Rossen Stoyanchev
* @since 6.1
*/
public final class BindParamNameResolver implements DataBinder.NameResolver {
@Override
@Nullable
public String resolveName(MethodParameter parameter) {
BindParam bindParam = parameter.getParameterAnnotation(BindParam.class);
if (bindParam != null) {
if (StringUtils.hasText(bindParam.value())) {
return bindParam.value();
}
}
return null;
}
}