HttpServletResponseHttpTransmitter.java

/*
 * eID Applet Project.
 * Copyright (C) 2008-2009 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.applet.service.impl;

import java.io.IOException;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;

import be.fedict.eid.applet.shared.protocol.HttpTransmitter;

/**
 * Implementation of a transport component using {@link HttpServletResponse}.
 * 
 * @author Frank Cornelis
 * 
 */
public class HttpServletResponseHttpTransmitter implements HttpTransmitter {

	private final HttpServletResponse httpServletResponse;

	/**
	 * Main constructor.
	 * 
	 * @param httpServletResponse
	 */
	public HttpServletResponseHttpTransmitter(HttpServletResponse httpServletResponse) {
		this.httpServletResponse = httpServletResponse;
	}

	public void addHeader(String headerName, String headerValue) {
		this.httpServletResponse.addHeader(headerName, headerValue);
	}

	public void setBody(byte[] bodyValue) {
		try {
			ServletOutputStream outputStream = this.httpServletResponse.getOutputStream();
			outputStream.write(bodyValue);
			outputStream.close();
		} catch (IOException e) {
			throw new RuntimeException("IO error: " + e.getMessage(), e);
		}
	}

	public boolean isSecure() {
		/*
		 * We assume here that the request was already verified as being secure.
		 */
		return true;
	}
}