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161 lines
7.7 KiB
161 lines
7.7 KiB
package com.alibaba.excel.analysis.v03; |
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import java.io.IOException; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.poi.hssf.eventusermodel.EventWorkbookBuilder; |
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import org.apache.poi.hssf.eventusermodel.FormatTrackingHSSFListener; |
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import org.apache.poi.hssf.eventusermodel.HSSFEventFactory; |
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import org.apache.poi.hssf.eventusermodel.HSSFListener; |
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import org.apache.poi.hssf.eventusermodel.HSSFRequest; |
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import org.apache.poi.hssf.eventusermodel.MissingRecordAwareHSSFListener; |
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import org.apache.poi.hssf.eventusermodel.dummyrecord.LastCellOfRowDummyRecord; |
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import org.apache.poi.hssf.record.BOFRecord; |
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import org.apache.poi.hssf.record.BlankRecord; |
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import org.apache.poi.hssf.record.BoolErrRecord; |
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import org.apache.poi.hssf.record.BoundSheetRecord; |
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import org.apache.poi.hssf.record.EOFRecord; |
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import org.apache.poi.hssf.record.FormulaRecord; |
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import org.apache.poi.hssf.record.HyperlinkRecord; |
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import org.apache.poi.hssf.record.IndexRecord; |
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import org.apache.poi.hssf.record.LabelRecord; |
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import org.apache.poi.hssf.record.LabelSSTRecord; |
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import org.apache.poi.hssf.record.MergeCellsRecord; |
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import org.apache.poi.hssf.record.NoteRecord; |
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import org.apache.poi.hssf.record.NumberRecord; |
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import org.apache.poi.hssf.record.ObjRecord; |
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import org.apache.poi.hssf.record.RKRecord; |
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import org.apache.poi.hssf.record.Record; |
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import org.apache.poi.hssf.record.SSTRecord; |
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import org.apache.poi.hssf.record.StringRecord; |
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import org.apache.poi.hssf.record.TextObjectRecord; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.alibaba.excel.analysis.ExcelReadExecutor; |
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import com.alibaba.excel.analysis.v03.handlers.BlankRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.BofRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.BoolErrRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.BoundSheetRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.DummyRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.EofRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.FormulaRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.HyperlinkRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.IndexRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.LabelRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.LabelSstRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.MergeCellsRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.NoteRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.NumberRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.ObjRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.RkRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.SstRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.StringRecordHandler; |
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import com.alibaba.excel.analysis.v03.handlers.TextObjectRecordHandler; |
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import com.alibaba.excel.context.xls.XlsReadContext; |
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import com.alibaba.excel.exception.ExcelAnalysisException; |
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import com.alibaba.excel.exception.ExcelAnalysisStopException; |
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import com.alibaba.excel.read.metadata.ReadSheet; |
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import com.alibaba.excel.read.metadata.holder.xls.XlsReadWorkbookHolder; |
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/** |
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* /** * A text extractor for Excel files. * |
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* <p> |
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* * Returns the textual content of the file, suitable for * indexing by something like Lucene, but not really * |
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* intended for display to the user. * |
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* </p> |
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* * |
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* <p> |
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* * To turn an excel file into a CSV or similar, then see * the XLS2CSVmra example * |
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* </p> |
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* * * @see <a href= "http://svn.apache.org/repos/asf/poi/trunk/src/examples/src/org/apache/poi/hssf/eventusermodel/examples/XLS2CSVmra.java">XLS2CSVmra</a> |
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* |
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* @author jipengfei |
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*/ |
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public class XlsSaxAnalyser implements HSSFListener, ExcelReadExecutor { |
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private static final Logger LOGGER = LoggerFactory.getLogger(XlsSaxAnalyser.class); |
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private static final short DUMMY_RECORD_SID = -1; |
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private XlsReadContext xlsReadContext; |
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private static final Map<Short, XlsRecordHandler> XLS_RECORD_HANDLER_MAP = new HashMap<Short, XlsRecordHandler>(32); |
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static { |
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XLS_RECORD_HANDLER_MAP.put(BlankRecord.sid, new BlankRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(BOFRecord.sid, new BofRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(BoolErrRecord.sid, new BoolErrRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(BoundSheetRecord.sid, new BoundSheetRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(DUMMY_RECORD_SID, new DummyRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(EOFRecord.sid, new EofRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(FormulaRecord.sid, new FormulaRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(HyperlinkRecord.sid, new HyperlinkRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(IndexRecord.sid, new IndexRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(LabelRecord.sid, new LabelRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(LabelSSTRecord.sid, new LabelSstRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(MergeCellsRecord.sid, new MergeCellsRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(NoteRecord.sid, new NoteRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(NumberRecord.sid, new NumberRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(ObjRecord.sid, new ObjRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(RKRecord.sid, new RkRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(SSTRecord.sid, new SstRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(StringRecord.sid, new StringRecordHandler()); |
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XLS_RECORD_HANDLER_MAP.put(TextObjectRecord.sid, new TextObjectRecordHandler()); |
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} |
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public XlsSaxAnalyser(XlsReadContext xlsReadContext) { |
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this.xlsReadContext = xlsReadContext; |
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} |
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@Override |
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public List<ReadSheet> sheetList() { |
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try { |
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if (xlsReadContext.readWorkbookHolder().getActualSheetDataList() == null) { |
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new XlsListSheetListener(xlsReadContext).execute(); |
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} |
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} catch (ExcelAnalysisStopException e) { |
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if (LOGGER.isDebugEnabled()) { |
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LOGGER.debug("Custom stop!"); |
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} |
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} |
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return xlsReadContext.readWorkbookHolder().getActualSheetDataList(); |
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} |
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@Override |
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public void execute() { |
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XlsReadWorkbookHolder xlsReadWorkbookHolder = xlsReadContext.xlsReadWorkbookHolder(); |
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MissingRecordAwareHSSFListener listener = new MissingRecordAwareHSSFListener(this); |
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xlsReadWorkbookHolder.setFormatTrackingHSSFListener(new FormatTrackingHSSFListener(listener)); |
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EventWorkbookBuilder.SheetRecordCollectingListener workbookBuildingListener = |
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new EventWorkbookBuilder.SheetRecordCollectingListener( |
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xlsReadWorkbookHolder.getFormatTrackingHSSFListener()); |
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xlsReadWorkbookHolder.setHssfWorkbook(workbookBuildingListener.getStubHSSFWorkbook()); |
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HSSFEventFactory factory = new HSSFEventFactory(); |
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HSSFRequest request = new HSSFRequest(); |
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request.addListenerForAllRecords(xlsReadWorkbookHolder.getFormatTrackingHSSFListener()); |
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try { |
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factory.processWorkbookEvents(request, xlsReadWorkbookHolder.getPoifsFileSystem()); |
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} catch (IOException e) { |
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throw new ExcelAnalysisException(e); |
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} |
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} |
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@Override |
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public void processRecord(Record record) { |
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XlsRecordHandler handler = XLS_RECORD_HANDLER_MAP.get(record.getSid()); |
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if (handler == null) { |
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return; |
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} |
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boolean ignoreRecord = |
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(handler instanceof IgnorableXlsRecordHandler) && xlsReadContext.xlsReadWorkbookHolder().getIgnoreRecord(); |
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if (ignoreRecord) { |
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// No need to read the current sheet |
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return; |
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} |
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if (!handler.support(xlsReadContext, record)) { |
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return; |
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} |
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handler.processRecord(xlsReadContext, record); |
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} |
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}
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