/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
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/*
 * Copyright (c) 1999 by Sun Microsystems, Inc.
 * All rights reserved.
 *
 */

//  CSAAdvert.java:    Message class for SLP CSAAdvert message
//  Author:           James Kempf
//  Created On:       Fri Oct 10 10:48:05 1997
//  Last Modified By: James Kempf
//  Last Modified On: Tue Oct 27 10:57:41 1998
//  Update Count:     95
//

package com.sun.slp;

import java.util.*;
import java.io.*;


/**
 * The CSAAdvert class models the SLP SAAdvert message, client side.
 *
 * @author James Kempf
 */


class CSAAdvert extends SrvLocMsgImpl {

    ServiceURL URL = null;      // The DA's service URL
    Hashtable authBlock = null; // Scope auth blocks.
    Vector attrs = new Vector(); // The attributes.

    // Construct a CSAAdvert from the input stream.

    CSAAdvert(SLPHeaderV2 hdr, DataInputStream dis)
        throws ServiceLocationException, IOException {
        super(hdr, SrvLocHeader.SAAdvert);

        // Parse in SA's service URL.

        StringBuffer buf = new StringBuffer();

        byte[] urlBytes = hdr.getString(buf, dis);

        try {

            URL = new ServiceURL(buf.toString(), ServiceURL.LIFETIME_NONE);

        } catch (IllegalArgumentException ex) {

            throw
                new ServiceLocationException(
                                ServiceLocationException.PARSE_ERROR,
                                "malformed_url",
                                new Object[] {ex.getMessage()});

        }

        // Validate the service URL.

        ServiceType serviceType = URL.getServiceType();

        if (!serviceType.equals(Defaults.SA_SERVICE_TYPE)) {
            throw
                new ServiceLocationException(
                                ServiceLocationException.PARSE_ERROR,
                                "not_right_url",
                                new Object[] {URL, "SA"});

        }

        // Parse in the scope list.

        byte[] scopeBytes = hdr.getString(buf, dis);

        hdr.scopes =
            hdr.parseCommaSeparatedListIn(buf.toString(), true);

        // Unescape scopes.

        hdr.unescapeScopeStrings(hdr.scopes);

        // Validate scope list.

        DATable.validateScopes(hdr.scopes, hdr.locale);

        // Parse in attributes.

        byte attrBytes[] = hdr.parseAttributeVectorIn(attrs, dis, false);

        // Construct bytes for auth.

        Object[] message = new Object[6];

        // None of the strings have leading length fields, so add them here
        ByteArrayOutputStream abaos = new ByteArrayOutputStream();
        hdr.putInteger(urlBytes.length, abaos);
        message[0] = abaos.toByteArray();
        message[1] = urlBytes;

        abaos = new ByteArrayOutputStream();
        hdr.putInteger(attrBytes.length, abaos);
        message[2] = abaos.toByteArray();
        message[3] = attrBytes;

        abaos = new ByteArrayOutputStream();
        hdr.putInteger(scopeBytes.length, abaos);
        message[4] = abaos.toByteArray();
        message[5] = scopeBytes;

        // Parse in an auth block if there.

        authBlock = hdr.parseSignatureIn(message, dis);

        // Set number of replies.

        hdr.iNumReplies = 1;

    }
}