85 lines
2.2 KiB
C#
85 lines
2.2 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.IO;
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using System.Text;
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using ICSharpCode.SharpZipLib.Zip;
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namespace Core.Helper {
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public class ZIPHelper {
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public static bool CreateZipFile(ArrayList filePaths, string outputPath) {
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bool result = true;
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ZipOutputStream pack = new ZipOutputStream(File.Create(outputPath));
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try {
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// set compression level
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pack.SetLevel(5);
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foreach (string filePath in filePaths) {
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FileStream fs = File.OpenRead(filePath);
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// allocate buffer
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byte[] buffer = new byte[fs.Length];
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fs.Read(buffer, 0, buffer.Length);
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// write the zip entry and its data
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ZipEntry entry = new ZipEntry(filePath.Substring(filePath.LastIndexOf(Path.DirectorySeparatorChar) + 1));
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pack.PutNextEntry(entry);
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pack.Write(buffer, 0, buffer.Length);
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}
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} catch {
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result = false;
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} finally {
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pack.Finish();
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pack.Close();
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}
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return result;
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}
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public static ArrayList ExtractFileFromZipFile(string filePath, string destinationPath, bool isInvoicePackage) {
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ArrayList result = new ArrayList();
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ZipFile zip = new ZipFile(File.OpenRead(filePath));
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try {
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foreach (ZipEntry entry in zip) {
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if (entry.IsFile) {
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string fileName = entry.Name;
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if (isInvoicePackage) {
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fileName = fileName.Replace("unsigned", "signed");
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}
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result.Add(fileName);
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Stream inputStream = zip.GetInputStream(entry);
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FileStream fileStream = new FileStream(destinationPath + fileName, FileMode.Create);
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try {
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CopyStream(inputStream, fileStream);
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} finally {
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fileStream.Close();
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inputStream.Close();
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}
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}
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}
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} finally {
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zip.Close();
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}
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return result;
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}
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private static void CopyStream(Stream input, Stream output) {
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byte[] buffer = new byte[0x1000];
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int read;
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while ((read = input.Read(buffer, 0, buffer.Length)) > 0) {
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output.Write(buffer, 0, read);
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}
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}
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}
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}
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