001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Anahide Tchertchian
018 */
019package org.nuxeo.ecm.platform.ui.web.component.seam;
020
021import java.util.Date;
022
023import javax.faces.component.UIComponent;
024
025import org.jboss.seam.excel.WorksheetItem;
026
027/**
028 * Overrides default JXL workbook to avoid dumb cache on component id
029 *
030 * @since 5.6
031 */
032public class JXLExcelWorkbook extends org.jboss.seam.excel.jxl.JXLExcelWorkbook {
033
034    @Override
035    public void addItem(WorksheetItem item) {
036        // cheat by changing the component id before calling addItem to avoid
037        // going through the cache...
038        UIComponent comp = (UIComponent) item;
039        String oldId = comp.getId();
040        long timestamp = new Date().getTime();
041        comp.setId(String.valueOf("NX_MARKER_" + timestamp));
042        try {
043            super.addItem(item);
044        } finally {
045            comp.setId(oldId);
046        }
047    }
048
049}