修复文件流需要gc才能关闭的问题 #511

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>2.0.0-beta1</version>
+    <version>2.0.0-beta2</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 

src/main/java/com/alibaba/excel/analysis/ExcelAnalyserImpl.java

@@ -131,6 +131,20 @@ public class ExcelAnalyserImpl implements ExcelAnalyser {
         } catch (Throwable e) {
             throw new ExcelAnalysisException("Can not close IO", e);
         }
+        try {
+            if (readWorkbookHolder.getOpcPackage() != null) {
+                readWorkbookHolder.getOpcPackage().close();
+            }
+        } catch (Throwable e) {
+            throw new ExcelAnalysisException("Can not close IO", e);
+        }
+        try {
+            if (readWorkbookHolder.getPoifsFileSystem() != null) {
+                readWorkbookHolder.getPoifsFileSystem().close();
+            }
+        } catch (Throwable e) {
+            throw new ExcelAnalysisException("Can not close IO", e);
+        }
     }
 
     @Override

src/main/java/com/alibaba/excel/analysis/v03/XlsSaxAnalyser.java

@@ -73,6 +73,7 @@ public class XlsSaxAnalyser implements HSSFListener, ExcelExecutor {
         this.analysisContext = context;
         this.records = new TreeMap<Integer, CellData>();
         this.poifsFileSystem = poifsFileSystem;
+        analysisContext.readWorkbookHolder().setPoifsFileSystem(poifsFileSystem);
     }
 
     @Override

src/main/java/com/alibaba/excel/analysis/v07/XlsxSaxAnalyser.java

@@ -59,6 +59,7 @@ public class XlsxSaxAnalyser implements ExcelExecutor {
         ReadWorkbookHolder readWorkbookHolder = analysisContext.readWorkbookHolder();
 
         OPCPackage pkg = readOpcPackage(readWorkbookHolder, decryptedStream);
+        readWorkbookHolder.setOpcPackage(pkg);
         PackagePart sharedStringsTablePackagePart =
             pkg.getPartsByContentType(XSSFRelation.SHARED_STRINGS.getContentType()).get(0);
 

src/main/java/com/alibaba/excel/read/metadata/holder/ReadWorkbookHolder.java

@@ -6,6 +6,8 @@ import java.io.InputStream;
 import java.util.HashSet;
 import java.util.Set;
 
+import org.apache.poi.openxml4j.opc.OPCPackage;
+import org.apache.poi.poifs.filesystem.POIFSFileSystem;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -90,6 +92,14 @@ public class ReadWorkbookHolder extends AbstractReadHolder {
      * Prevent repeating sheet
      */
     private Set<Integer> hasReadSheet;
+    /**
+     * Package
+     */
+    private OPCPackage opcPackage;
+    /**
+     * File System
+     */
+    private POIFSFileSystem poifsFileSystem;
 
     public ReadWorkbookHolder(ReadWorkbook readWorkbook) {
         super(readWorkbook, null, readWorkbook.getConvertAllFiled());
@@ -232,6 +242,22 @@ public class ReadWorkbookHolder extends AbstractReadHolder {
         this.defaultReturnMap = defaultReturnMap;
     }
 
+    public OPCPackage getOpcPackage() {
+        return opcPackage;
+    }
+
+    public void setOpcPackage(OPCPackage opcPackage) {
+        this.opcPackage = opcPackage;
+    }
+
+    public POIFSFileSystem getPoifsFileSystem() {
+        return poifsFileSystem;
+    }
+
+    public void setPoifsFileSystem(POIFSFileSystem poifsFileSystem) {
+        this.poifsFileSystem = poifsFileSystem;
+    }
+
     @Override
     public HolderEnum holderType() {
         return HolderEnum.WORKBOOK;

src/test/java/com/alibaba/easyexcel/test/temp/Lock2Test.java

+package com.alibaba.easyexcel.test.temp;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.List;
+
+import org.junit.Ignore;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.support.ExcelTypeEnum;
+import com.alibaba.fastjson.JSON;
+
+/**
+ * 临时测试
+ *
+ * @author Jiaju Zhuang
+ **/
+@Ignore
+public class Lock2Test {
+    private static final Logger LOGGER = LoggerFactory.getLogger(Lock2Test.class);
+
+    @Test
+    public void test() throws Exception {
+        File file = new File("D:\\test\\珠海2.xlsx");
+
+        List<Object> list = EasyExcel.read(file).sheet().headRowNumber(0).doReadSync();
+        LOGGER.info("数据：{}", list.size());
+        for (Object data : list) {
+            LOGGER.info("返回数据：{}", JSON.toJSONString(data));
+        }
+        LOGGER.info("文件状态：{}", file.exists());
+        file.delete();
+        Thread.sleep(500 * 1000);
+    }
+
+    @Test
+    public void test2() throws Exception {
+        File file = new File("D:\\test\\converter03.xls");
+
+        List<Object> list = EasyExcel.read(file).sheet().headRowNumber(0).doReadSync();
+        LOGGER.info("数据：{}", list.size());
+        for (Object data : list) {
+            LOGGER.info("返回数据：{}", JSON.toJSONString(data));
+        }
+        LOGGER.info("文件状态：{}", file.exists());
+        file.delete();
+        Thread.sleep(500 * 1000);
+    }
+
+
+}

src/test/java/com/alibaba/easyexcel/test/temp/poi/Poi2Test.java

+package com.alibaba.easyexcel.test.temp.poi;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.poi.xssf.streaming.SXSSFRow;
+import org.apache.poi.xssf.streaming.SXSSFSheet;
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFRow;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.alibaba.easyexcel.test.util.TestFileUtil;
+
+/**
+ * 测试poi
+ *
+ * @author Jiaju Zhuang
+ **/
+@Ignore
+public class Poi2Test {
+    private static final Logger LOGGER = LoggerFactory.getLogger(Poi2Test.class);
+
+    @Test
+    public void test() throws IOException {
+        String file = "D:\\test\\珠海.xlsx";
+        SXSSFWorkbook xssfWorkbook = new SXSSFWorkbook(new XSSFWorkbook(file));
+        SXSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
+        LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
+        SXSSFRow row = xssfSheet.getRow(0);
+        LOGGER.info("第一行数据:{}", row);
+    }
+
+    @Test
+    public void lastRowNumXSSF() throws IOException {
+        String file = "D:\\test\\珠海.xlsx";
+        XSSFWorkbook xssfWorkbook = new XSSFWorkbook(file);
+        LOGGER.info("一共:{}个sheet", xssfWorkbook.getNumberOfSheets());
+        XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
+        LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
+        XSSFRow row = xssfSheet.getRow(0);
+        LOGGER.info("第一行数据:{}", row);
+        xssfSheet.createRow(20);
+        LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
+    }
+}

update.md

+# 2.0.0-beta2
+* 加速gc回收 #511
+
 # 2.0.0-beta1
 * 优化读写逻辑
 * 优化读写对外接口