jails.server.servlet.ServletServerHttpRequest.java Source code

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Here is the source code for jails.server.servlet.ServletServerHttpRequest.java

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/*
 * 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 jails.server.servlet;

import jails.http.HttpHeaders;
import jails.http.HttpMethod;
import jails.http.HttpProtocolVersion;
import jails.http.server.ServerHttpRequest;

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.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);
        }
    }

    @SuppressWarnings("rawtypes")
    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();
    }

    public HttpProtocolVersion getProtocolVersion() {

        return HttpProtocolVersion.valueOf(this.servletRequest.getProtocol());
    }

}