/*
 *
 *    OPEN-XCHANGE legal information
 *
 *    All intellectual property rights in the Software are protected by
 *    international copyright laws.
 *
 *
 *    In some countries OX, OX Open-Xchange, open xchange and OXtender
 *    as well as the corresponding Logos OX Open-Xchange and OX are registered
 *    trademarks of the Open-Xchange, Inc. group of companies.
 *    The use of the Logos is not covered by the GNU General Public License.
 *    Instead, you are allowed to use these Logos according to the terms and
 *    conditions of the Creative Commons License, Version 2.5, Attribution,
 *    Non-commercial, ShareAlike, and the interpretation of the term
 *    Non-commercial applicable to the aforementioned license is published
 *    on the web site http://www.open-xchange.com/EN/legal/index.html.
 *
 *    Please make sure that third-party modules and libraries are used
 *    according to their respective licenses.
 *
 *    Any modifications to this package must retain all copyright notices
 *    of the original copyright holder(s) for the original code used.
 *
 *    After any such modifications, the original and derivative code shall remain
 *    under the copyright of the copyright holder(s) and/or original author(s)per
 *    the Attribution and Assignment Agreement that can be located at
 *    http://www.open-xchange.com/EN/developer/. The contributing author shall be
 *    given Attribution for the derivative code and a license granting use.
 *
 *     Copyright (C) 2004-2011 Open-Xchange, Inc.
 *     Mail: info@open-xchange.com
 *
 *
 *     This program is free software; you can redistribute it and/or modify it
 *     under the terms of the GNU General Public License, Version 2 as published
 *     by the Free Software Foundation.
 *
 *     This program 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 General Public License
 *     for more details.
 *
 *     You should have received a copy of the GNU General Public License along
 *     with this program; if not, write to the Free Software Foundation, Inc., 59
 *     Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

package com.openexchange.tools.versit.old;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import com.openexchange.tools.versit.Property;
import com.openexchange.tools.versit.Scanner;
import com.openexchange.tools.versit.StringScanner;
import com.openexchange.tools.versit.VersitException;

public class OldCompoundPropertyDefinition extends OldShortPropertyDefinition {

    public OldCompoundPropertyDefinition(final String[] paramNames, final OldParamDefinition[] params) {
        super(paramNames, params);
    }

    protected String getElement(final Scanner s) throws IOException {
        final StringBuilder sb = new StringBuilder();
        while (s.peek != -1 && s.peek != -2 && s.peek != ';') {
            int c = s.read();
            if (c == '\\') {
                if (s.peek == -1 || s.peek == -2) {
                    throw new VersitException(s, "Escape sequence \"\\\" CRLF is not supported.");
                }
                c = s.read();
            }
            sb.append((char) c);
        }
        return sb.length() == 0 ? null : sb.toString().trim();
    }

    @Override
    protected Object parseValue(final Property property, final StringScanner s) throws IOException {
        final ArrayList<String> al = new ArrayList<String>();
        String element = getElement(s);
        while (s.peek == ';') {
            al.add(element);
            s.read();
            element = getElement(s);
        }
        al.add(element);
        return al;
    }

    @Override
    protected String writeValue(final Property property, final Object value) {
        final StringBuffer sb = new StringBuffer();
        final ArrayList al = (ArrayList) value;
        final int size = al.size();
        final Iterator i = al.iterator();
        if (size > 0) {
            Object val = i.next();
            if (val != null) {
                sb.append(writeElement(property, val).replaceAll(";", "\\\\;"));
            }
            for (int k = 1; k < size; k++) {
                sb.append(';');
                val = i.next();
                if (val != null) {
                    sb.append(writeElement(property, val).replaceAll(";", "\\\\;"));
                }
            }
        }
        return sb.toString();
    }

    protected String writeElement(final Property property, final Object value) {
        return value.toString();
    }
}
