Merge remote-tracking branch 'origin/main' into V2025121808

src/com/pms/controller/PurchaseOrderController.java

@@ -1,5 +1,6 @@
 package com.pms.controller;
 
+import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -11,6 +12,7 @@ import javax.servlet.http.HttpSession;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 
@@ -2106,11 +2108,73 @@ public class PurchaseOrderController {
 		return resultMap;
 	}
 	
+	/**
+	 * PDF 청크 업로드 (AJAX)
+	 * @param request
+	 * @param paramMap - sessionId, chunkIndex, totalChunks, chunk
+	 * @return
+	 */
+	@ResponseBody
+	@RequestMapping(value="/purchaseOrder/uploadPdfChunk.do", method=RequestMethod.POST)
+	public Map uploadPdfChunk(HttpServletRequest request, @RequestParam Map<String, Object> paramMap){
+		Map resultMap = new HashMap();
+		
+		try {
+			String sessionId = CommonUtils.checkNull(paramMap.get("sessionId"));
+			int chunkIndex = Integer.parseInt(CommonUtils.checkNull(paramMap.get("chunkIndex"), "0"));
+			int totalChunks = Integer.parseInt(CommonUtils.checkNull(paramMap.get("totalChunks"), "1"));
+			String chunk = CommonUtils.checkNull(paramMap.get("chunk"));
+			
+			// 임시 디렉토리에 청크 저장
+			String tempDir = System.getProperty("java.io.tmpdir");
+			File chunkFile = new File(tempDir + File.separator + sessionId + "_chunk_" + chunkIndex);
+			
+			// 청크 데이터 저장
+			java.io.FileOutputStream fos = new java.io.FileOutputStream(chunkFile);
+			fos.write(chunk.getBytes("UTF-8"));
+			fos.close();
+			
+			// 모든 청크가 업로드되면 합치기
+			if(chunkIndex == totalChunks - 1) {
+				StringBuilder fullBase64 = new StringBuilder();
+				for(int i = 0; i < totalChunks; i++) {
+					File cf = new File(tempDir + File.separator + sessionId + "_chunk_" + i);
+					if(cf.exists()) {
+						byte[] data = java.nio.file.Files.readAllBytes(cf.toPath());
+						fullBase64.append(new String(data, "UTF-8"));
+						cf.delete();
+					}
+				}
+				
+				// Base64 디코딩하여 PDF 파일 생성 (Apache Commons Codec 사용 - Java 7 호환)
+				byte[] pdfBytes = org.apache.commons.codec.binary.Base64.decodeBase64(fullBase64.toString());
+				File pdfFile = new File(tempDir + File.separator + sessionId + ".pdf");
+				java.io.FileOutputStream pdfFos = new java.io.FileOutputStream(pdfFile);
+				pdfFos.write(pdfBytes);
+				pdfFos.close();
+				
+				pdfFile.deleteOnExit();
+				
+				System.out.println("발주서 PDF 파일 생성 완료: " + pdfFile.getAbsolutePath() + " (" + pdfBytes.length + " bytes)");
+			}
+			
+			resultMap.put("result", "success");
+			resultMap.put("chunkIndex", chunkIndex);
+			
+		} catch (Exception e) {
+			e.printStackTrace();
+			resultMap.put("result", "error");
+			resultMap.put("message", "청크 업로드 중 오류가 발생했습니다: " + e.getMessage());
+		}
+		
+		return resultMap;
+	}
+	
 	/**
 	 * 발주서 메일 발송 (AJAX)
 	 * @param session
 	 * @param request
-	 * @param paramMap - objId, toEmails, ccEmails, subject, contents
+	 * @param paramMap - objId, pdfSessionId, toEmails, ccEmails, subject, contents
 	 * @return
 	 */
 	@ResponseBody