001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.upgrade.v4_3_0.util;
016    
017    import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl;
018    import com.liferay.portal.kernel.upgrade.util.ValueMapper;
019    import com.liferay.portal.kernel.util.GetterUtil;
020    import com.liferay.portal.kernel.util.StringUtil;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class ShoppingCartItemIdsUpgradeColumnImpl
026            extends BaseUpgradeColumnImpl {
027    
028            public ShoppingCartItemIdsUpgradeColumnImpl(
029                    ValueMapper shoppingItemIdMapper) {
030    
031                    super("itemIds");
032    
033                    _shoppingItemIdMapper = shoppingItemIdMapper;
034            }
035    
036            public Object getNewValue(Object oldValue) throws Exception {
037                    String[] itemIds = StringUtil.split((String)oldValue);
038    
039                    for (int i = 0; i < itemIds.length; i++) {
040                            String itemId = itemIds[i];
041    
042                            int pos = itemId.indexOf("|");
043    
044                            if (pos == -1) {
045                                    itemIds[i] = String.valueOf(_shoppingItemIdMapper.getNewValue(
046                                            new Long(GetterUtil.getLong(itemId))));
047                            }
048                            else {
049                                    Long oldItemId = new Long(
050                                            GetterUtil.getLong(itemId.substring(0, pos)));
051    
052                                    itemIds[i] =
053                                            _shoppingItemIdMapper.getNewValue(oldItemId) +
054                                                    itemId.substring(pos, itemId.length());
055                            }
056                    }
057    
058                    return StringUtil.merge(itemIds);
059            }
060    
061            private ValueMapper _shoppingItemIdMapper;
062    
063    }