Java 类org.apache.poi.ss.usermodel.HeaderFooter 实例源码

@SuppressWarnings("rawtypes") 
private void processHeaderFooter( HandlerState state, Collection birtHeaderFooter, HeaderFooter poiHeaderFooter ) throws BirtException {
    boolean handledAsGrid = false;
    for( Object ftrObject : birtHeaderFooter ) {
        if( ftrObject instanceof ITableContent ) {
            ITableContent ftrTable = (ITableContent)ftrObject;
            if( ftrTable.getChildren().size() == 1 ) {
                Object child = ftrTable.getChildren().toArray()[ 0 ];
                if( child instanceof IRowContent ) {
                    IRowContent row = (IRowContent)child;
                    if( ftrTable.getColumnCount() <= 3 ) {
                        Object[] cellObjects = row.getChildren().toArray();
                        if( ftrTable.getColumnCount() == 1 ) {
                            poiHeaderFooter.setLeft( contentAsString( state, cellObjects[ 0 ] ) );
                            handledAsGrid = true;
                        } else if( ftrTable.getColumnCount() == 2 ) {
                            poiHeaderFooter.setLeft( contentAsString( state, cellObjects[ 0 ] ) );
                            poiHeaderFooter.setRight( contentAsString( state, cellObjects[ 1 ] ) );
                            handledAsGrid = true;
                        } else if( ftrTable.getColumnCount() == 3 ) {
                            poiHeaderFooter.setLeft( contentAsString( state, cellObjects[ 0 ] ) );
                            poiHeaderFooter.setCenter( contentAsString( state, cellObjects[ 1 ] ) );
                            poiHeaderFooter.setRight( contentAsString( state, cellObjects[ 2 ] ) );
                            handledAsGrid = true;
                        }
                    }
                }
            }
        }
        if( ! handledAsGrid ) {
            poiHeaderFooter.setLeft( contentAsString( state, ftrObject ) );
        }
    }
}

private void extractHeaderFooter(final StringBuilder buffy, final HeaderFooter hf) {
    final String content = ExcelExtractor._extractHeaderFooter(hf);
    if (content.length() > 0) {
        buffy.append(content).append(' ');
    }
}

/**
 * 复制页眉、页脚的文字信息
 * 
 * @author      ZhengWei(HY)
 * @createDate  2017-06-22
 * @version     v1.0
 *
 * @param i_FromHF
 * @param i_ToHF
 */
public final static void copyHeaderFooter(HeaderFooter i_FromHF ,HeaderFooter i_ToHF)
{
    i_ToHF.setLeft(  i_FromHF.getLeft());
    i_ToHF.setCenter(i_FromHF.getCenter());
    i_ToHF.setRight( i_FromHF.getRight());
}