未知类型文件不予解析

src/main/java/com/bfd/parse/entity/Constants.java

@@ -161,6 +161,7 @@ public class Constants {
 	public static final String XLS = "xls";
 	public static final String XLSX = "xlsx";
 	public static final String PDF = "pdf";
+	public static final String TXT = "txt";
 	public static final String DOC = "doc";
 	public static final String DOCX = "docx";
 	public static final String PPT = "ppt";

src/main/java/com/bfd/parse/process/FileTaskProcess.java

@@ -30,6 +30,8 @@ import com.bfd.parse.utils.DataUtil;
 import com.bfd.parse.utils.DownLoadUtil;
 import com.bfd.parse.utils.SpringBootKafka;
 
+import kotlin.jvm.Throws;
+
 /**
  * @author jian.mao
  * @date 2024年2月4日
@@ -99,7 +101,7 @@ public class FileTaskProcess implements Runnable{
      * @return
      * @throws IOException 
      */
-    private String readFileToSend(String path, String saveFilePath) throws IOException {
+    private String readFileToSend(String path, String saveFilePath) throws Exception {
         StringBuffer sb = new StringBuffer();
         DownLoadUtil.downloadFile(path, saveFilePath);
         if (saveFilePath.endsWith(Constants.DOC) || saveFilePath.endsWith(Constants.DOCX)) {
@@ -107,10 +109,13 @@ public class FileTaskProcess implements Runnable{
         }else if(saveFilePath.endsWith(Constants.PDF)){
         	//pdf 纯文字版本
         	sb.append(readPdfFile(saveFilePath));
-        } else {
+        } else if(saveFilePath.endsWith(Constants.TXT)){
         	for (String line : FileUtils.readLines(new File(saveFilePath))) {
                 sb.append(line);
             }
+        } else {
+        	throw new Exception("未知文件类型。");
+
         }
         return sb.toString();
     }
@@ -154,6 +159,9 @@ public class FileTaskProcess implements Runnable{
         // 提取文本内容
         PDFTextStripper pdfStripper = new PDFTextStripper();
         String text = pdfStripper.getText(document);
+        if(text.replace("\r\n", Constants.EMPTY).replace("\n", Constants.EMPTY).replace("\r", Constants.EMPTY).equals(Constants.EMPTY)) {
+        	text = "文档内容为空";
+        }
         // 关闭文档
         document.close();
         return text;
@@ -182,4 +190,17 @@ public class FileTaskProcess implements Runnable{
 			log.error("删除文件异常：{}",filePath);
 		}
     }
+    
+    public static void main(String[] args) throws IOException {
+    	// 加载PDF文件
+        File file = new File("C:\\Users\\55007\\Downloads\\2025001_04.pdf");
+        PDDocument document = PDDocument.load(file);
+        // 提取文本内容
+        PDFTextStripper pdfStripper = new PDFTextStripper();
+        String text = pdfStripper.getText(document).replace("\r\n", "");
+        
+        System.out.println(text.equals(""));
+        // 关闭文档
+        document.close();
+	}
 }