/*
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.gv.egovernment.moa.id.opemsaml;

import org.opensaml.common.binding.SAMLMessageContext;
import org.opensaml.saml2.binding.encoding.HTTPRedirectDeflateEncoder;
import org.opensaml.ws.message.MessageContext;
import org.opensaml.ws.message.encoder.MessageEncodingException;

import at.gv.egovernment.moa.id.protocols.pvp2x.config.MOADefaultBootstrap;
import at.gv.egovernment.moa.logging.Logger;

/**
 * @author tlenz
 *
 */
public class MOAStringRedirectDeflateEncoder extends HTTPRedirectDeflateEncoder {

	private String redirectURL = null;
	
	public void encode(MessageContext messageContext)
			throws MessageEncodingException {
		if (!(messageContext instanceof SAMLMessageContext)) {
			Logger.error("Invalid message context type, this encoder only support SAMLMessageContext");
			throw new MessageEncodingException(
					"Invalid message context type, this encoder only support SAMLMessageContext");
		}

		//load default PVP security configurations
		MOADefaultBootstrap.initializeDefaultPVPConfiguration();
		
		SAMLMessageContext samlMsgCtx = (SAMLMessageContext) messageContext;

		String endpointURL = getEndpointURL(samlMsgCtx).buildURL();

		setResponseDestination(samlMsgCtx.getOutboundSAMLMessage(), endpointURL);

		removeSignature(samlMsgCtx);

		String encodedMessage = deflateAndBase64Encode(samlMsgCtx
				.getOutboundSAMLMessage());

		redirectURL = buildRedirectURL(samlMsgCtx, endpointURL,
				encodedMessage);
	}

	/**
	 * @return the redirectURL
	 */
	public String getRedirectURL() {
		return redirectURL;
	}
	
	
}