/*
* Copyright 2002-2011 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.http.client.support;
import java.util.ArrayList;
import java.util.List;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.InterceptingClientHttpRequestFactory;
import org.springframework.util.CollectionUtils;
/**
* Base class for {@link org.springframework.web.client.RestTemplate} and other HTTP accessing gateway helpers, adding
* interceptor-related properties to {@link HttpAccessor}'s common properties.
*
* <p>Not intended to be used directly. See {@link org.springframework.web.client.RestTemplate}.
*
* @author Arjen Poutsma
*/
public abstract class InterceptingHttpAccessor extends HttpAccessor {
private List<ClientHttpRequestInterceptor> interceptors = new ArrayList<ClientHttpRequestInterceptor>();
/**
* Sets the request interceptors that this accessor should use.
*/
public void setInterceptors(List<ClientHttpRequestInterceptor> interceptors) {
this.interceptors = interceptors;
}
/**
* Return the request interceptor that this accessor uses.
*/
public List<ClientHttpRequestInterceptor> getInterceptors() {
return interceptors;
}
@Override
public ClientHttpRequestFactory getRequestFactory() {
ClientHttpRequestFactory delegate = super.getRequestFactory();
if (!CollectionUtils.isEmpty(getInterceptors())) {
return new InterceptingClientHttpRequestFactory(delegate, getInterceptors());
}
else {
return delegate;
}
}
}