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/*
 * Copyright 2002-2018 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.test.web.servlet.htmlunit;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.test.web.servlet.request.RequestPostProcessor;
import org.springframework.util.Assert;

/**
 * {@link RequestPostProcessor} for forward requests.
 *
 * @author Rob Winch
 * @author Sam Brannen
 * @since 4.2
 */
final class ForwardRequestPostProcessor implements RequestPostProcessor {

	private final String forwardUrl;


	public ForwardRequestPostProcessor(String forwardUrl) {
		Assert.hasText(forwardUrl, "Forward URL must not be null or empty");
		this.forwardUrl = forwardUrl;
	}

	@Override
	public MockHttpServletRequest postProcessRequest(MockHttpServletRequest request) {
		request.setServletPath(this.forwardUrl);
		return request;
	}

}