Upload New File

Amol/Hsbc_XmlReader/XmlReader.java

+package ibase.utility.training;
+
+import java.io.*;
+import java.nio.file.*;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class XmlReader {
+	public static void main(String[] args) {
+		String filePath = "/home/amol.sonawane/Documents/UNS-HSBC";
+		String outputFileName = generateOutputFileName();
+		String archiveFolderName = generateArchiveFolderName();
+
+		try {
+			concatenateXmlFiles(filePath, outputFileName);
+			moveFilesToArchive(filePath, archiveFolderName);
+			System.out.println("XML files concatenated successfully. Output file: " + outputFileName);
+		} catch (IOException e) {
+			System.err.println("Error concatenating XML files: " + e.getMessage());
+		}
+	}
+
+	private static void concatenateXmlFiles(String filePath, String outputFileName) throws IOException {
+		File outputDir = new File("/home/amol.sonawane/Documents/UNS-HSBC/NewXml");
+		if (!outputDir.exists()) {
+			outputDir.mkdirs();
+		}
+
+		File[] xmlFiles = new File(filePath).listFiles((dir, name) -> name.toLowerCase().endsWith(".xml"));
+
+		if (xmlFiles == null || xmlFiles.length == 0) {
+			System.err.println("No XML files found in the specified directory.");
+			return;
+		}
+
+		try (BufferedWriter writer = new BufferedWriter(new FileWriter(new File(outputDir, outputFileName)))) {
+			writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+			writer.write("<Document xmlns=\"urn:iso:std:iso:20022:tech:xsd:pain.001.001.03\">");
+
+			for (int i = 0; i < xmlFiles.length; i++) {
+
+				String content = new String(Files.readAllBytes(xmlFiles[i].toPath()));
+				int startIdxOfCtrlSum = content.indexOf("<CtrlSum>");
+				int endIdxOfCtrlSum = content.indexOf("</CtrlSum>", startIdxOfCtrlSum);
+
+				if (i == 0) 
+				{
+
+					int totalCtrlSum = 0;
+
+					for (int j = 0; j < xmlFiles.length; j++)
+					{
+						String tempContent = content; 
+						if (startIdxOfCtrlSum != -1 && endIdxOfCtrlSum != -1)
+						{
+							String ctrlSumValueStr = tempContent.substring(startIdxOfCtrlSum + "<CtrlSum>".length(),
+									endIdxOfCtrlSum);
+							int ctrlSumValue = Integer.parseInt(ctrlSumValueStr);
+							tempContent = tempContent.substring(0, startIdxOfCtrlSum)
+									+ tempContent.substring(endIdxOfCtrlSum + "</CtrlSum>".length());
+
+							totalCtrlSum += ctrlSumValue;
+							System.out.println("totalCtrlSum : " + totalCtrlSum);
+
+						}
+					}
+					content = content.substring(0, startIdxOfCtrlSum + "<CtrlSum>".length()) + totalCtrlSum
+							+ content.substring(endIdxOfCtrlSum);
+
+					int startIdxOfNbOfTxsTag = content.indexOf("<NbOfTxs>");
+					int endIdxOfNbOfTxsTag = content.indexOf("</NbOfTxs>") + "</NbOfTxs>".length();
+
+					if (startIdxOfNbOfTxsTag != -1 && endIdxOfNbOfTxsTag != -1) 
+					{
+						String updatedNbOfTxsTag = "<NbOfTxs>" + xmlFiles.length + "</NbOfTxs>";
+						content = content.substring(0, startIdxOfNbOfTxsTag) + updatedNbOfTxsTag
+								+ content.substring(endIdxOfNbOfTxsTag);
+					}
+
+					// Extract content starting from <CstmrCdtTrfInitn>
+					int startIdx = content.indexOf("<CstmrCdtTrfInitn>");
+					int endIdx = content.lastIndexOf("</CdtTrfTxInf>") + "</CdtTrfTxInf>".length();
+
+					if (startIdx != -1 && endIdx != -1) 
+					{
+						content = content.substring(startIdx, endIdx);
+					}
+				} else 
+				{
+					int startIdx = content.indexOf("<CdtTrfTxInf>");
+					int endIdx = content.indexOf("</CdtTrfTxInf>") + "</CdtTrfTxInf>".length();
+					if (startIdx != -1 && endIdx != -1) {
+						content = content.substring(startIdx, endIdx);
+					}
+				}
+
+				writer.write(content);
+			}
+
+			writer.write("</PmtInf>");
+			writer.write("</CstmrCdtTrfInitn>");
+			writer.write("</Document>");
+		}
+	}
+
+	private static void moveFilesToArchive(String filePath, String archiveFolderName) throws IOException
+	{
+		File archiveDir = new File(filePath + File.separator + archiveFolderName);
+		if (!archiveDir.exists()) {
+			archiveDir.mkdirs();
+		}
+
+		File[] xmlFiles = new File(filePath).listFiles((dir, name) -> name.toLowerCase().endsWith(".xml"));
+
+		if (xmlFiles != null) {
+			for (File xmlFile : xmlFiles) {
+				Path sourcePath = Paths.get(xmlFile.getAbsolutePath());
+				Path destinationPath = Paths.get(archiveDir.getAbsolutePath() + File.separator + xmlFile.getName());
+				Files.move(sourcePath, destinationPath, StandardCopyOption.REPLACE_EXISTING);
+			}
+		}
+	}
+
+	private static String generateOutputFileName() 
+	{
+		SimpleDateFormat dateFormat = new SimpleDateFormat("ddMMyyyyHHmm");
+		String formattedDate = dateFormat.format(new Date());
+		return formattedDate + ".xml";
+	}
+
+	private static String generateArchiveFolderName() 
+	{
+		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd-HH");
+		return dateFormat.format(new Date());
+	}
+}