/*
* Copyright 2002-2010 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.server;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Enumeration;
import javax.servlet.http.HttpServletRequest;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.util.Assert;
/**
* {@link ServerHttpRequest} implementation that is based on a {@link HttpServletRequest}.
*
* @author Arjen Poutsma
* @since 3.0
*/
public class ServletServerHttpRequest implements ServerHttpRequest {
private final HttpServletRequest servletRequest;
private HttpHeaders headers;
/**
* Construct a new instance of the ServletServerHttpRequest based on the given {@link HttpServletRequest}
* @param servletRequest the HttpServletRequest
*/
public ServletServerHttpRequest(HttpServletRequest servletRequest) {
Assert.notNull(servletRequest, "'servletRequest' must not be null");
this.servletRequest = servletRequest;
}
public HttpMethod getMethod() {
return HttpMethod.valueOf(this.servletRequest.getMethod());
}
public URI getURI() {
try {
return new URI(servletRequest.getScheme(), null, servletRequest.getServerName(),
servletRequest.getServerPort(), servletRequest.getRequestURI(),
servletRequest.getQueryString(), null);
}
catch (URISyntaxException ex) {
throw new IllegalStateException("Could not get HttpServletRequest URI: " + ex.getMessage(), ex);
}
}
public HttpHeaders getHeaders() {
if (this.headers == null) {
this.headers = new HttpHeaders();
for (Enumeration headerNames = this.servletRequest.getHeaderNames(); headerNames.hasMoreElements();) {
String headerName = (String) headerNames.nextElement();
for (Enumeration headerValues = this.servletRequest.getHeaders(headerName); headerValues.hasMoreElements();) {
String headerValue = (String) headerValues.nextElement();
this.headers.add(headerName, headerValue);
}
}
}
return this.headers;
}
public InputStream getBody() throws IOException {
return this.servletRequest.getInputStream();
}
}
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