001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Anahide Tchertchian
016 */
017package org.nuxeo.ecm.platform.ui.web.component.seam;
018
019import java.util.Date;
020
021import javax.faces.component.UIComponent;
022
023import org.jboss.seam.excel.WorksheetItem;
024
025/**
026 * Overrides default JXL workbook to avoid dumb cache on component id
027 *
028 * @since 5.6
029 */
030public class JXLExcelWorkbook extends org.jboss.seam.excel.jxl.JXLExcelWorkbook {
031
032    @Override
033    public void addItem(WorksheetItem item) {
034        // cheat by changing the component id before calling addItem to avoid
035        // going through the cache...
036        UIComponent comp = (UIComponent) item;
037        String oldId = comp.getId();
038        long timestamp = new Date().getTime();
039        comp.setId(String.valueOf("NX_MARKER_" + timestamp));
040        try {
041            super.addItem(item);
042        } finally {
043            comp.setId(oldId);
044        }
045    }
046
047}