001/*
002 * Copyright 2002-2017 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.http.client.support;
018
019import java.net.URI;
020
021import org.springframework.http.HttpHeaders;
022import org.springframework.http.HttpMethod;
023import org.springframework.http.HttpRequest;
024import org.springframework.lang.Nullable;
025import org.springframework.util.Assert;
026
027/**
028 * Provides a convenient implementation of the {@link HttpRequest} interface
029 * that can be overridden to adapt the request.
030 *
031 * <p>These methods default to calling through to the wrapped request object.
032 *
033 * @author Arjen Poutsma
034 * @since 3.1
035 */
036public class HttpRequestWrapper implements HttpRequest {
037
038        private final HttpRequest request;
039
040
041        /**
042         * Create a new {@code HttpRequest} wrapping the given request object.
043         * @param request the request object to be wrapped
044         */
045        public HttpRequestWrapper(HttpRequest request) {
046                Assert.notNull(request, "HttpRequest must not be null");
047                this.request = request;
048        }
049
050
051        /**
052         * Return the wrapped request.
053         */
054        public HttpRequest getRequest() {
055                return this.request;
056        }
057
058        /**
059         * Return the method of the wrapped request.
060         */
061        @Override
062        @Nullable
063        public HttpMethod getMethod() {
064                return this.request.getMethod();
065        }
066
067        /**
068         * Return the method value of the wrapped request.
069         */
070        @Override
071        public String getMethodValue() {
072                return this.request.getMethodValue();
073        }
074
075        /**
076         * Return the URI of the wrapped request.
077         */
078        @Override
079        public URI getURI() {
080                return this.request.getURI();
081        }
082
083        /**
084         * Return the headers of the wrapped request.
085         */
086        @Override
087        public HttpHeaders getHeaders() {
088                return this.request.getHeaders();
089        }
090
091}