/*
* Copyright 2002-2016 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
*
* http://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.method.support;
import java.util.ArrayList;
import java.util.List;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
/**
* Supports parameters of a given type and resolves them using a stub value.
* Also records the resolved parameter value.
*
* @author Rossen Stoyanchev
*/
public class StubArgumentResolver implements HandlerMethodArgumentResolver {
private final Class<?> parameterType;
private final Object stubValue;
private List<MethodParameter> resolvedParameters = new ArrayList<>();
public StubArgumentResolver(Class<?> supportedParameterType, Object stubValue) {
this.parameterType = supportedParameterType;
this.stubValue = stubValue;
}
public List<MethodParameter> getResolvedParameters() {
return resolvedParameters;
}
@Override
public boolean supportsParameter(MethodParameter parameter) {
return parameter.getParameterType().equals(this.parameterType);
}
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
this.resolvedParameters.add(parameter);
return this.stubValue;
}
}