issue #2054: 在Android上跳过http://apache.org/xml/features/disallow-doctype-decl的限制.

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>3.0.5</version>
+    <version>3.0.6</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 

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

@@ -41,10 +41,7 @@ import org.apache.poi.xssf.usermodel.XSSFRelation;
 import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTWorkbook;
 import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTWorkbookPr;
 import org.openxmlformats.schemas.spreadsheetml.x2006.main.WorkbookDocument;
-import org.xml.sax.ContentHandler;
+import org.xml.sax.*;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
-import org.xml.sax.XMLReader;
 
 /**
  * @author jipengfei
@@ -188,7 +185,16 @@ public class XlsxSaxAnalyser implements ExcelReadExecutor {
             } else {
                 saxFactory = SAXParserFactory.newInstance(xlsxSAXParserFactoryName, null);
             }
-            saxFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
+
+            try {
+                saxFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
+            } catch (SAXNotRecognizedException e) {
+                log.warn(
+                    "SAXNotRecognizedException occur, not supported feature: " +
+                        "http://apache.org/xml/features/disallow-doctype-decl, which will disable DOCTYPE declaration" +
+                        " if set true.");
+            }
+
             saxFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
             saxFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
             SAXParser saxParser = saxFactory.newSAXParser();