AnalysisContextImpl.java
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package com.taover.easyexcel.context;
import java.io.InputStream;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.taover.easyexcel.exception.ExcelAnalysisException;
import com.taover.easyexcel.metadata.Sheet;
import com.taover.easyexcel.read.metadata.ReadSheet;
import com.taover.easyexcel.read.metadata.ReadWorkbook;
import com.taover.easyexcel.read.metadata.holder.ReadHolder;
import com.taover.easyexcel.read.metadata.holder.ReadRowHolder;
import com.taover.easyexcel.read.metadata.holder.ReadSheetHolder;
import com.taover.easyexcel.read.metadata.holder.ReadWorkbookHolder;
import com.taover.easyexcel.read.metadata.holder.xls.XlsReadSheetHolder;
import com.taover.easyexcel.read.metadata.holder.xls.XlsReadWorkbookHolder;
import com.taover.easyexcel.read.metadata.holder.xlsx.XlsxReadSheetHolder;
import com.taover.easyexcel.read.metadata.holder.xlsx.XlsxReadWorkbookHolder;
import com.taover.easyexcel.read.processor.AnalysisEventProcessor;
import com.taover.easyexcel.read.processor.DefaultAnalysisEventProcessor;
import com.taover.easyexcel.support.ExcelTypeEnum;
/**
*
* @author jipengfei
*/
public class AnalysisContextImpl implements AnalysisContext {
private static final Logger LOGGER = LoggerFactory.getLogger(AnalysisContextImpl.class);
/**
* The Workbook currently written
*/
private ReadWorkbookHolder readWorkbookHolder;
/**
* Current sheet holder
*/
private ReadSheetHolder readSheetHolder;
/**
* Current row holder
*/
private ReadRowHolder readRowHolder;
/**
* Configuration of currently operated cell
*/
private ReadHolder currentReadHolder;
/**
* Event processor
*/
private AnalysisEventProcessor analysisEventProcessor;
public AnalysisContextImpl(ReadWorkbook readWorkbook, ExcelTypeEnum actualExcelType) {
if (readWorkbook == null) {
throw new IllegalArgumentException("Workbook argument cannot be null");
}
switch (actualExcelType) {
case XLS:
readWorkbookHolder = new XlsReadWorkbookHolder(readWorkbook);
break;
case XLSX:
readWorkbookHolder = new XlsxReadWorkbookHolder(readWorkbook);
break;
default:
break;
}
currentReadHolder = readWorkbookHolder;
analysisEventProcessor = new DefaultAnalysisEventProcessor();
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Initialization 'AnalysisContextImpl' complete");
}
}
@Override
public void currentSheet(ReadSheet readSheet) {
switch (readWorkbookHolder.getExcelType()) {
case XLS:
readSheetHolder = new XlsReadSheetHolder(readSheet, readWorkbookHolder);
break;
case XLSX:
readSheetHolder = new XlsxReadSheetHolder(readSheet, readWorkbookHolder);
break;
default:
break;
}
currentReadHolder = readSheetHolder;
if (readWorkbookHolder.getHasReadSheet().contains(readSheetHolder.getSheetNo())) {
throw new ExcelAnalysisException("Cannot read sheet repeatedly.");
}
readWorkbookHolder.getHasReadSheet().add(readSheetHolder.getSheetNo());
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("======Began to read：{}======", readSheetHolder);
}
}
@Override
public ReadWorkbookHolder readWorkbookHolder() {
return readWorkbookHolder;
}
@Override
public ReadSheetHolder readSheetHolder() {
return readSheetHolder;
}
@Override
public ReadRowHolder readRowHolder() {
return readRowHolder;
}
@Override
public void readRowHolder(ReadRowHolder readRowHolder) {
this.readRowHolder = readRowHolder;
}
@Override
public ReadHolder currentReadHolder() {
return currentReadHolder;
}
@Override
public Object getCustom() {
return readWorkbookHolder.getCustomObject();
}
@Override
public AnalysisEventProcessor analysisEventProcessor() {
return analysisEventProcessor;
}
@Override
public List<ReadSheet> readSheetList() {
return null;
}
@Override
public void readSheetList(List<ReadSheet> readSheetList) {
}
@Override
public Sheet getCurrentSheet() {
Sheet sheet = new Sheet(readSheetHolder.getSheetNo() + 1);
sheet.setSheetName(readSheetHolder.getSheetName());
sheet.setHead(readSheetHolder.getHead());
sheet.setClazz(readSheetHolder.getClazz());
sheet.setHeadLineMun(readSheetHolder.getHeadRowNumber());
return sheet;
}
@Override
public ExcelTypeEnum getExcelType() {
return readWorkbookHolder.getExcelType();
}
@Override
public InputStream getInputStream() {
return readWorkbookHolder.getInputStream();
}
@Override
public Integer getCurrentRowNum() {
return readRowHolder.getRowIndex();
}
@Override
public Integer getTotalCount() {
return readSheetHolder.getTotal();
}
@Override
public Object getCurrentRowAnalysisResult() {
return readRowHolder.getCurrentRowAnalysisResult();
}
@Override
public void interrupt() {
throw new ExcelAnalysisException("interrupt error");
}
}