| public Write ( byte buffer, int offset, int count ) : void | ||
| buffer | byte | The buffer containing data to write. |
| offset | int | The offset of the first byte to write. |
| count | int | The number of bytes to write. |
| Résultat | void | |
/// <summary>
/// This function creates a zip
/// </summary>
/// <param name="filepaths">List of absolute system filepaths</param>
/// <param name="zipFileName">Absolute desired systeme final zip filepath</param>
/// <param name="compressionLevel">Compression level from 0 (no comp.) to 9 (best comp.)</param>
/// <returns></returns>
public StdResult<NoType> CreateZip(List<string> filepaths, string zipFileName, int compressionLevel)
{
try
{
using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFileName)))
{
s.SetLevel(9); // 0 - store only to 9 - means best compression
byte[] buffer = new byte[4096];
foreach (string file in filepaths)
{
// Using GetFileName makes the result compatible with XP
// as the resulting path is not absolute.
ZipEntry entry = new ZipEntry(Path.GetFileName(file));
// Setup the entry data as required.
// Crc and size are handled by the library for seakable streams
// so no need to do them here.
// Could also use the last write time or similar for the file.
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(file))
{
// Using a fixed size buffer here makes no noticeable difference for output
// but keeps a lid on memory usage.
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
// Finish/Close arent needed strictly as the using statement does this automatically
// Finish is important to ensure trailing information for a Zip file is appended. Without this
// the created file would be invalid.
s.Finish();
// Close is important to wrap things up and unlock the file.
s.Close();
return StdResult<NoType>.OkResult;
}
}
catch (Exception ex)
{
return StdResult<NoType>.BadResult(ex.Message);
// No need to rethrow the exception as for our purposes its handled.
}
}
private void saveFileDialog_FileOk(object sender, CancelEventArgs e)
{
ReportText = ReportTextBox.Text;
ZipEntry ze;
ZipOutputStream zip_out = new ZipOutputStream(File.Create((sender as SaveFileDialog).FileName));
string SourceText;
byte[] data=null;
foreach (string FileName in FileNames)
{
SourceText = VEC.StandartCompiler.GetSourceFileText(FileName);
if (SourceText != null)
{
data = System.Text.Encoding.GetEncoding(1251).GetBytes(SourceText);
ze = new ZipEntry(System.IO.Path.GetFileName(FileName));
zip_out.PutNextEntry(ze);
zip_out.Write(data, 0, data.Length);
}
}
ze = new ZipEntry("Report.txt");
zip_out.PutNextEntry(ze);
data = System.Text.Encoding.GetEncoding(1251).GetBytes(ReportText);
zip_out.Write(data, 0, data.Length);
zip_out.Finish();
zip_out.Close();
}
public void ZipFile(string FileToZip, string ZipedFile, int CompressionLevel, int BlockSize)
{
if (!File.Exists(FileToZip))
{
throw new FileNotFoundException("The specified file " + FileToZip + " could not be found. Zipping aborderd");
}
FileStream fileStream = new FileStream(FileToZip, FileMode.Open, FileAccess.Read);
FileStream baseOutputStream = File.Create(ZipedFile);
ZipOutputStream zipOutputStream = new ZipOutputStream(baseOutputStream);
ZipEntry entry = new ZipEntry("ZippedFile");
zipOutputStream.PutNextEntry(entry);
zipOutputStream.SetLevel(CompressionLevel);
byte[] array = new byte[BlockSize];
int num = fileStream.Read(array, 0, array.Length);
zipOutputStream.Write(array, 0, num);
try
{
while ((long)num < fileStream.Length)
{
int num2 = fileStream.Read(array, 0, array.Length);
zipOutputStream.Write(array, 0, num2);
num += num2;
}
}
catch (Exception ex)
{
throw ex;
}
zipOutputStream.Finish();
zipOutputStream.Close();
fileStream.Close();
}
public void ZipFile(string FileToZip, string ZipedFile, int CompressionLevel, int BlockSize)
{
//如果文件没有找到，则报错
if (!System.IO.File.Exists(FileToZip))
{
throw new System.IO.FileNotFoundException("The specified file " + FileToZip + " could not be found. Zipping aborderd");
}
System.IO.FileStream StreamToZip = new System.IO.FileStream(FileToZip, System.IO.FileMode.Open, System.IO.FileAccess.Read);
System.IO.FileStream ZipFile = System.IO.File.Create(ZipedFile);
ZipOutputStream ZipStream = new ZipOutputStream(ZipFile);
ZipEntry ZipEntry = new ZipEntry("ZippedFile");
ZipStream.PutNextEntry(ZipEntry);
ZipStream.SetLevel(CompressionLevel);
byte[] buffer = new byte[BlockSize];
System.Int32 size = StreamToZip.Read(buffer, 0, buffer.Length);
ZipStream.Write(buffer, 0, size);
try
{
while (size < StreamToZip.Length)
{
int sizeRead = StreamToZip.Read(buffer, 0, buffer.Length);
ZipStream.Write(buffer, 0, sizeRead);
size += sizeRead;
}
}
catch (System.Exception ex)
{
throw ex;
}
ZipStream.Finish();
ZipStream.Close();
StreamToZip.Close();
}
public static string AddZip(string fileName, string zipName, ZipOutputStream s)
{
Crc32 crc = new Crc32();
try
{
FileStream fs = File.OpenRead(fileName);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
fileName = Path.GetFileName(fileName);
long fileLength = fs.Length;
fs.Close();
ZipEntry entry = new ZipEntry(zipName);
entry.DateTime = DateTime.Now;
entry.Size = fileLength;
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
s.PutNextEntry(entry);
s.Write(buffer, 0, buffer.Length);
return string.Empty;
}
catch (Exception addEx)
{
return addEx.ToString();
}
}
private static void ZipFileDirectory(string[] files, ZipOutputStream z)
{
FileStream fs = null;
Crc32 crc = new Crc32();
try
{
foreach(string file in files)
{
fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
string fileName = Path.GetFileName(file);
ZipEntry entry = new ZipEntry(fileName);
entry.DateTime = DateTime.Now;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
z.PutNextEntry(entry);
z.Write(buffer, 0, buffer.Length);
}
}
finally
{
if(fs!=null)
{
fs.Close();
fs = null;
}
GC.Collect();
}
}
/// <summary>
/// Compresses an array of bytes and stores the result in a new array of bytes.
/// </summary>
/// <param name="uncompressed">The uncompressed buffer.</param>
/// <param name="compressed">An array of bytes where the compressed input will be stored.</param>
/// <remarks>
/// The compressed input is passed back to the calling method as an <b>out</b>
/// parameter. That means that the calling method doesn't need to initialize the
/// compressed buffer.
/// </remarks>
/// <exception cref="ArgumentNullException">
/// Thrown if the uncompressed input buffer is empty or null.
/// </exception>
/// <exception cref="CWZipException">
/// Thrown if a problem is encountered during the compression process.
/// </exception>
public static void CompressBuffer(byte[] uncompressed, out byte[] compressed)
{
if ((uncompressed == null) || (uncompressed.Length == 0))
{
throw new ArgumentNullException("uncompressed", "The uncompressed input buffer cannot be null or empty.");
}
MemoryStream ms = null;
compressed = null;
try
{
ms = new MemoryStream();
ZipOutputStream zip = new ZipOutputStream(ms);
zip.SetLevel(compressionLevel);
ZipEntry entry = new ZipEntry("1");
zip.PutNextEntry(entry);
zip.Write(uncompressed, 0, uncompressed.Length);
zip.Finish();
ms.Position = 0;
compressed = ms.ToArray();
ms.Close();
}
catch (Exception e)
{
if (ms != null)
{
ms.Close();
}
throw new CWZipException(e.Message);
}
finally
{
ms = null;
GC.Collect();
}
}
private void WriteObjectToZip (ZipOutputStream zip_out,
FileSystemObject fso,
EventTracker tracker)
{
MemoryStream memory = null;
string name;
name = fso.FullName.Substring (this.FullName.Length + 1);
if (fso is DirectoryObject)
name += "/";
ZipEntry entry;
entry = new ZipEntry (name);
entry.DateTime = fso.Timestamp;
if (fso is DirectoryObject)
entry.Size = 0;
else {
memory = new MemoryStream ();
((FileObject) fso).AddToStream (memory, tracker);
entry.Size = memory.Length;
}
zip_out.PutNextEntry (entry);
if (memory != null) {
zip_out.Write (memory.ToArray (), 0, (int) memory.Length);
memory.Close ();
}
// If this is a directory, write out the children
if (fso is DirectoryObject)
foreach (FileSystemObject child in fso.Children)
WriteObjectToZip (zip_out, child, tracker);
}
public void zip(string to, string[] files)
{
using (ZipOutputStream s = new ZipOutputStream(File.Create(to)))
{
s.SetLevel(9);
byte[] buffer = new byte[4096];
foreach (string file in files)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(file)) { DateTime = DateTime.Now };
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
}
//public static void ZipFile(string path, string file2Zip, string zipFileName, string zip, string bldgType)
public static void ZipFile(string path, string file2Zip, string zipFileName)
{
//MemoryStream ms = InitializeGbxml(path + file2Zip, zip, bldgType) as MemoryStream;
MemoryStream ms = InitializeGbxml(Path.Combine(path , file2Zip)) as MemoryStream;
string compressedFile =Path.Combine(path, zipFileName);
if (File.Exists(compressedFile))
{
File.Delete(compressedFile);
}
Crc32 objCrc32 = new Crc32();
ZipOutputStream strmZipOutputStream = new ZipOutputStream(File.Create(compressedFile));
strmZipOutputStream.SetLevel(9);
byte[] gbXmlBuffer = new byte[ms.Length];
ms.Read(gbXmlBuffer, 0, gbXmlBuffer.Length);
ZipEntry objZipEntry = new ZipEntry(file2Zip);
objZipEntry.DateTime = DateTime.Now;
objZipEntry.Size = ms.Length;
ms.Close();
objCrc32.Reset();
objCrc32.Update(gbXmlBuffer);
objZipEntry.Crc = objCrc32.Value;
strmZipOutputStream.PutNextEntry(objZipEntry);
strmZipOutputStream.Write(gbXmlBuffer, 0, gbXmlBuffer.Length);
strmZipOutputStream.Finish();
strmZipOutputStream.Close();
strmZipOutputStream.Dispose();
}
/// <summary>
/// Zip all the specified files into the specified ZipFileName.
/// </summary>
public static string ZipFiles(IEnumerable<string> FilesToZip, string ZipFileName, string Password)
{
if (!File.Exists(ZipFileName))
File.Delete(ZipFileName);
ZipOutputStream Zip = new ZipOutputStream(File.Create(ZipFileName));
if (Password != "")
Zip.Password = Password;
try
{
Zip.SetLevel(5); // 0 - store only to 9 - means best compression
foreach (string FileName in FilesToZip)
{
FileStream fs = File.OpenRead(FileName);
byte[] Buffer = new byte[fs.Length];
fs.Read(Buffer, 0, Buffer.Length);
fs.Close();
ZipEntry Entry = new ZipEntry(Path.GetFileName(FileName));
Zip.PutNextEntry(Entry);
Zip.Write(Buffer, 0, Buffer.Length);
}
Zip.Finish();
Zip.Close();
return ZipFileName;
}
catch (System.Exception)
{
Zip.Finish();
Zip.Close();
File.Delete(ZipFileName);
throw;
}
}
public static string PackToBase64(byte[] data)
{
byte[] buffer;
MemoryStream ms = new MemoryStream();
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(ms))
{
zipOutputStream.SetLevel(9);
ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry("Boliglag.Admin");
zipOutputStream.PutNextEntry(zipEntry);
zipOutputStream.Write(data, 0, data.Length);
zipOutputStream.Flush();
zipOutputStream.Finish();
buffer = new byte[ms.Length];
ms.Position = 0;
ms.Read(buffer, 0, Convert.ToInt32(ms.Length));
}//using ( ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream( fileStreamOut ) ) ...
return(ToBase64(buffer));
}
public static string PackToBase64(string text)
{
byte[] buffer;
MemoryStream ms = new MemoryStream();
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(ms))
{
zipOutputStream.SetLevel(9);
ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry("Boliglag.Admin");
zipOutputStream.PutNextEntry(zipEntry);
byte[] bytes = System.Text.Encoding.Unicode.GetBytes(text.ToCharArray());
zipOutputStream.Write(bytes, 0, bytes.Length);
zipOutputStream.Flush();
zipOutputStream.Finish();
buffer = new byte[ms.Length];
ms.Position = 0;
ms.Read(buffer, 0, Convert.ToInt32(ms.Length));
}//using ( ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream( fileStreamOut ) ) ...
return(ToBase64(buffer));
}
public static string GetZipFileName(string filename)
{
string zipfile = filename.Replace (".db", ".zip");
try {
using (ZipOutputStream s = new ZipOutputStream (File.Create (zipfile))) {
s.SetLevel (9); // 0 - store only to 9 - means best compression
byte[] buffer = new byte[4096];
ZipEntry entry = new ZipEntry (filename);
entry.DateTime = DateTime.Now;
s.PutNextEntry (entry);
using (FileStream fs = File.OpenRead (filename)) {
int sourceBytes;
do {
sourceBytes = fs.Read (buffer, 0, buffer.Length);
s.Write (buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
s.Finish ();
s.Close ();
}
} catch (Exception ex) {
zipfile = filename;
}
return zipfile;
}
/// <summary>
/// Método que faz o zip de arquivos encontrados no diretório <strPathDirectory>
/// </summary>
/// <param name="strPath"></param>
public static void ZipFiles(String strPathDirectory, String strZipName)
{
try
{
using (ZipOutputStream ZipOut = new ZipOutputStream(File.Create(strPathDirectory + "\\" + strZipName + ".zip")))
{
string[] OLfiles = Directory.GetFiles(strPathDirectory);
Console.WriteLine(OLfiles.Length);
ZipOut.SetLevel(9);
byte[] buffer = new byte[4096];
foreach (string filename in OLfiles)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(filename));
ZipOut.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(filename))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
ZipOut.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
ZipOut.Finish();
ZipOut.Close();
}
}
catch (System.Exception ex)
{
System.Console.Error.WriteLine("exception: " + ex);
//TODO colocar log
}
}
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="sourceFilePath">待压缩的文件或文件夹路径</param>
/// <param name="destinationZipFilePath">保存压缩文件的文件名</param>
/// <param name="level">压缩文件等级</param>
/// <returns>返回-2说明被压缩文件已经存在，返回1说明压缩成功</returns>
public static int CreateFileZip(string sourceFilePath, string destinationZipFilePath, int level)
{
if (!Directory.Exists(destinationZipFilePath.Substring(0, destinationZipFilePath.LastIndexOf("\\"))))
{
Directory.CreateDirectory(destinationZipFilePath.Substring(0, destinationZipFilePath.LastIndexOf("\\")));
}
if (File.Exists(destinationZipFilePath))
{
return -2;
}
else
{
ZipOutputStream zipStream = new ZipOutputStream(File.Create(destinationZipFilePath));
zipStream.SetLevel(level); // 压缩级别 0-9
Crc32 crc = new Crc32();
FileStream fileStream = File.OpenRead(sourceFilePath);
byte[] buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, buffer.Length);
string tempFile = sourceFilePath.Substring(sourceFilePath.LastIndexOf("\\") + 1);
ZipEntry entry = new ZipEntry(tempFile);
entry.DateTime = DateTime.Now;
entry.Size = fileStream.Length;
fileStream.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
zipStream.PutNextEntry(entry);
zipStream.Write(buffer, 0, buffer.Length);
zipStream.Finish();
zipStream.Close();
return 1;
}
}
public byte[] diskLess()
{
MemoryStream ms = new MemoryStream();
StreamWriter sw = new StreamWriter(ms);
sw.WriteLine("HELLO!");
sw.WriteLine("I WANT TO SAVE THIS FILE AS A .TXT FILE WITHIN TWO FOLDERS");
sw.Flush(); //This is required or you get a blank text file :)
ms.Position = 0;
// create the ZipEntry archive from the txt file in memory stream ms
MemoryStream outputMS = new System.IO.MemoryStream();
ZipOutputStream zipOutput = new ZipOutputStream(outputMS);
ZipEntry ze = new ZipEntry(@"dir1/dir2/whatever.txt");
zipOutput.PutNextEntry(ze);
zipOutput.Write(ms.ToArray(), 0, Convert.ToInt32(ms.Length));
zipOutput.Finish();
zipOutput.Close();
byte[] byteArrayOut = outputMS.ToArray();
outputMS.Close();
ms.Close();
return byteArrayOut;
}
/// <summary>
/// Compress an string using ZIP
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
public static byte[] CompressContent(string contentToZip)
{
System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
byte[] buff = encoding.GetBytes(contentToZip);
try
{
using (MemoryStream stream = new MemoryStream())
{
using (ZipOutputStream zipout = new ZipOutputStream(stream))
{
zipout.SetLevel(9);
ZipEntry entry = new ZipEntry("zipfile.zip");
entry.DateTime = DateTime.Now;
zipout.PutNextEntry(entry);
zipout.Write(buff, 0, buff.Length);
zipout.Finish();
byte[] outputbyte = new byte[(int)stream.Length];
stream.Position = 0;
stream.Read(outputbyte, 0, (int)stream.Length);
return outputbyte;
}
}
}
catch (Exception ex)
{
ex.Message.ToString();
return null;
}
}
private void zip(string strFile, ZipOutputStream s, string staticFile)
{
if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar) strFile += Path.DirectorySeparatorChar;
Crc32 crc = new Crc32();
string[] filenames = Directory.GetFileSystemEntries(strFile);
foreach (string file in filenames)
{
if (Directory.Exists(file))
{
zip(file, s, staticFile);
}
else // 否则直接压缩文件
{
//打开压缩文件
FileStream fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
string tempfile = file.Substring(staticFile.LastIndexOf("\\") + 1);
ZipEntry entry = new ZipEntry(tempfile);
entry.DateTime = DateTime.Now;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
s.PutNextEntry(entry);
s.Write(buffer, 0, buffer.Length);
}
}
}
public static void Zip(string strFile, string strZipFile)
{
Crc32 crc1 = new Crc32();
ZipOutputStream stream1 = new ZipOutputStream(File.Create(strZipFile));
try
{
stream1.SetLevel(6);
FileStream stream2 = File.OpenRead(strFile);
byte[] buffer1 = new byte[stream2.Length];
stream2.Read(buffer1, 0, buffer1.Length);
ZipEntry entry1 = new ZipEntry(strFile.Split(new char[] { '\\' })[strFile.Split(new char[] { '\\' }).Length - 1]);
entry1.DateTime = DateTime.Now;
entry1.Size = stream2.Length;
stream2.Close();
crc1.Reset();
crc1.Update(buffer1);
entry1.Crc = crc1.Value;
stream1.PutNextEntry(entry1);
stream1.Write(buffer1, 0, buffer1.Length);
}
catch (Exception exception1)
{
throw exception1;
}
finally
{
stream1.Finish();
stream1.Close();
stream1 = null;
crc1 = null;
}
}
public static void ZipFiles(string inputFolderPath, string outputPathAndFile, string password)
{
ArrayList ar = GenerateFileList(inputFolderPath); // generate file list
int TrimLength = (Directory.GetParent(inputFolderPath)).ToString().Length;
// find number of chars to remove // from orginal file path
TrimLength += 1; //remove '\'
FileStream ostream;
byte[] obuffer;
string outPath = outputPathAndFile;
ZipOutputStream oZipStream = new ZipOutputStream(File.Create(outPath)); // create zip stream
if (password != null && password != String.Empty)
oZipStream.Password = password;
oZipStream.SetLevel(9); // maximum compression
ZipEntry oZipEntry;
foreach (string Fil in ar) // for each file, generate a zipentry
{
oZipEntry = new ZipEntry(Fil.Remove(0, TrimLength));
oZipStream.PutNextEntry(oZipEntry);
if (!Fil.EndsWith(@"/")) // if a file ends with '/' its a directory
{
ostream = File.OpenRead(Fil);
obuffer = new byte[ostream.Length];
ostream.Read(obuffer, 0, obuffer.Length);
oZipStream.Write(obuffer, 0, obuffer.Length);
}
}
oZipStream.Finish();
oZipStream.Close();
oZipStream.Dispose();
}
public static void CreateZipFile(string[] filenames, string outputFile)
{
// Zip up the files - From SharpZipLib Demo Code
using (ZipOutputStream s = new ZipOutputStream(File.Create(outputFile)))
{
s.SetLevel(9); // 0-9, 9 being the highest level of compression
byte[] buffer = new byte[4096];
foreach (string file in filenames)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
}
while (sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
}
/// <summary>
/// 压缩文件夹
/// </summary>
/// <param name="dirToZip"></param>
/// <param name="zipedFileName"></param>
/// <param name="compressionLevel">压缩率0（无压缩）9（压缩率最高）</param>
public void ZipDir(string dirToZip, string zipedFileName, int compressionLevel = 9)
{
if (Path.GetExtension(zipedFileName) != ".zip")
{
zipedFileName = zipedFileName + ".zip";
}
using (var zipoutputstream = new ZipOutputStream(File.Create(zipedFileName)))
{
zipoutputstream.SetLevel(compressionLevel);
var crc = new Crc32();
var fileList = GetAllFies(dirToZip);
foreach (DictionaryEntry item in fileList)
{
var fs = new FileStream(item.Key.ToString(), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
var buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
// ZipEntry entry = new ZipEntry(item.Key.ToString().Substring(dirToZip.Length + 1));
var entry = new ZipEntry(Path.GetFileName(item.Key.ToString()))
{
DateTime = (DateTime) item.Value,
Size = fs.Length
};
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
zipoutputstream.PutNextEntry(entry);
zipoutputstream.Write(buffer, 0, buffer.Length);
}
}
}
private void Page_Load(object sender, System.EventArgs e)
{
System.DateTime dateTime = System.DateTime.Now;
string s1 = "Message_Backup_\uFFFD" + dateTime.ToString("ddMMyy_HHmmss\uFFFD") + ".zip\uFFFD";
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(memoryStream);
ActiveUp.Net.Mail.Mailbox mailbox = ((ActiveUp.Net.Mail.Imap4Client)Session["imapobject\uFFFD"]).SelectMailbox(Request.QueryString["b\uFFFD"]);
char[] chArr = new char[] { ',' };
string[] sArr = Request.QueryString["m\uFFFD"].Split(chArr);
for (int i = 0; i < sArr.Length; i++)
{
string s2 = sArr[i];
byte[] bArr = mailbox.Fetch.Message(System.Convert.ToInt32(s2));
ActiveUp.Net.Mail.Header header = ActiveUp.Net.Mail.Parser.ParseHeader(bArr);
ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(header.Subject + ".eml\uFFFD");
zipOutputStream.PutNextEntry(zipEntry);
zipOutputStream.SetLevel(9);
zipOutputStream.Write(bArr, 0, bArr.Length);
zipOutputStream.CloseEntry();
}
zipOutputStream.Finish();
Response.AddHeader("Content-Disposition\uFFFD", "attachment; filename=\uFFFD" + s1);
Response.ContentType = "application/zip\uFFFD";
Response.BinaryWrite(memoryStream.GetBuffer());
zipOutputStream.Close();
}
public static void CompressFiles(IEnumerable<ISong> files, string destinationPath)
{
if (log.IsDebugEnabled)
{
log.Debug("Starting creation of zip file : " + destinationPath);
}
using (ZipOutputStream zipOutputStream = new ZipOutputStream(new FileStream(destinationPath, FileMode.OpenOrCreate)))
{
zipOutputStream.SetLevel(0);
foreach (ISong song in files)
{
FileInfo fileInfo = new FileInfo(song.MediaFilePath);
ZipEntry entry = new ZipEntry(song.Artist.Name + "\\" + song.Album.Name + "\\" + song.Title + fileInfo.Extension);
zipOutputStream.PutNextEntry(entry);
FileStream fs = File.OpenRead(song.MediaFilePath);
byte[] buff = new byte[1024];
int n = 0;
while ((n = fs.Read(buff, 0, buff.Length)) > 0)
{
zipOutputStream.Write(buff, 0, n);
}
fs.Close();
}
zipOutputStream.Finish();
}
if (log.IsDebugEnabled)
{
log.Debug("Zip file created : " + destinationPath);
}
}
public static void CreateFromDirectory(string[] sourceFileNames, string destinationArchiveFileName)
{
using (ZipOutputStream zipStream = new ZipOutputStream(File.Create(destinationArchiveFileName)))
{
byte[] buffer = new byte[BufferSize];
zipStream.SetLevel(9);
foreach (string file in sourceFileNames)
{
var entryName = Path.GetFileName(file);
var fileInfo = new FileInfo(file);
ZipEntry entry = new ZipEntry(entryName);
entry.DateTime = fileInfo.LastWriteTime;
zipStream.PutNextEntry(entry);
using (FileStream fileStream = File.OpenRead(file))
{
while (true)
{
int size = fileStream.Read(buffer, 0, buffer.Length);
if (size <= 0)
break;
zipStream.Write(buffer, 0, size);
}
}
}
zipStream.Finish();
zipStream.Close();
}
}
public void CreateZipFile(string[] straFilenames, string strOutputFilename)
{
Crc32 crc = new Crc32();
ZipOutputStream zos = new ZipOutputStream(File.Create(strOutputFilename));
zos.SetLevel(m_nCompressionLevel);
foreach (string strFileName in straFilenames)
{
FileStream fs = File.OpenRead(strFileName);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
ZipEntry entry = new ZipEntry(GetFileNameWithoutDrive(strFileName));
entry.DateTime = DateTime.Now;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
zos.PutNextEntry(entry);
zos.Write(buffer, 0, buffer.Length);
}
zos.Finish();
zos.Close();
}
/// <summary>
/// 递归压缩文件
/// </summary>
/// <param name="sourceFilePath">待压缩的文件或文件夹路径</param>
/// <param name="zipStream">打包结果的zip文件路径（类似 D:\WorkSpace\a.zip）,全路径包括文件名和.zip扩展名</param>
/// <param name="staticFile"></param>
private static void CreateZipFiles(string sourceFilePath, ZipOutputStream zipStream, string staticFile)
{
Crc32 crc = new Crc32();
string[] filesArray = Directory.GetFileSystemEntries(sourceFilePath);
foreach (string file in filesArray)
{
if (Directory.Exists(file)) //如果当前是文件夹，递归
{
CreateZipFiles(file, zipStream, staticFile);
}
else //如果是文件，开始压缩
{
FileStream fileStream = File.OpenRead(file);
byte[] buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, buffer.Length);
string tempFile = file.Substring(staticFile.LastIndexOf("\\") + 1);
ZipEntry entry = new ZipEntry(tempFile);
entry.DateTime = DateTime.Now;
entry.Size = fileStream.Length;
fileStream.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
zipStream.PutNextEntry(entry);
zipStream.Write(buffer, 0, buffer.Length);
}
}
}
public void CompressFile(string sourcePath, string destinationPath)
{
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(destinationPath)))
{
zipStream.SetLevel(9);
byte[] buffer = new byte[4096];
ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(System.IO.Path.GetFileName(sourcePath));
entry.DateTime = DateTime.Now;
zipStream.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(sourcePath))
{
int sourceBytes = 0;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
zipStream.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
zipStream.Finish();
zipStream.Close();
zipStream.Dispose();
}
}
public override void ExecuteResult(ControllerContext context)
{
string fileName = Path.GetTempFileName();
var response = context.HttpContext.Response;
using (var zipOutputStream = new ZipOutputStream(new FileStream(fileName, FileMode.OpenOrCreate)))
{
zipOutputStream.SetLevel(0);
foreach (var photo in Photos)
{
//FileInfo fileInfo = new FileInfo(photo.MediaFilePath);
ZipEntry entry = new ZipEntry(Tag.Name + @"\" + photo.Id + ".jpg");
zipOutputStream.PutNextEntry(entry);
using (FileStream fs = System.IO.File.OpenRead(photo.MediaFilePath))
{
byte[] buff = new byte[1024];
int n = 0;
while ((n = fs.Read(buff, 0, buff.Length)) > 0)
zipOutputStream.Write(buff, 0, n);
}
}
zipOutputStream.Finish();
}
System.IO.FileInfo file = new System.IO.FileInfo(fileName);
response.Clear();
response.AddHeader("Content-Disposition", "attachment; filename=" + "Photos.zip");
response.AddHeader("Content-Length", file.Length.ToString());
response.ContentType = "application/octet-stream";
response.WriteFile(file.FullName);
response.End();
System.IO.File.Delete(fileName);
}
public static string CreateZIPFile(string path, int M, string strsuff)
{
try
{
Crc32 crc = new Crc32();//未压缩的
ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipout = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(System.IO.File.Create(path + ".zip"));
//ICSharpCode.SharpZipLib.GZip.GZipOutputStream zipout = new GZipOutputStream(System.IO.File.Create(path+ ".zip"));
System.IO.FileStream fs = System.IO.File.OpenRead(path + strsuff);
long pai = 1024 * 1024 * M;//每M兆写一次
long forint = fs.Length / pai + 1;
byte[] buffer = null;
zipout.SetLevel(7);
ZipEntry entry = new ZipEntry(System.IO.Path.GetFileName(path + strsuff));
entry.Size = fs.Length;
entry.DateTime = DateTime.Now;
zipout.PutNextEntry(entry);
//zipout.
for (long i = 1; i <= forint; i++)
{
if (pai * i < fs.Length)
{
buffer = new byte[pai];
fs.Seek(pai * (i - 1), System.IO.SeekOrigin.Begin);
}
else
{
if (fs.Length < pai)
{
buffer = new byte[fs.Length];
}
else
{
buffer = new byte[fs.Length - pai * (i - 1)];
fs.Seek(pai * (i - 1), System.IO.SeekOrigin.Begin);
}
}
fs.Read(buffer, 0, buffer.Length);
crc.Reset();
crc.Update(buffer);
zipout.Write(buffer, 0, buffer.Length);
zipout.Flush();
}
fs.Close();
zipout.Finish();
zipout.Close();
System.IO.File.Delete(path + strsuff);
// File.Create(path.Replace(".doc","") + ".zip",buffer.Length);
return(path + ".zip");
}
catch (Exception ex)
{
string str = ex.Message;
return(path);
}
}
/// <summary>
/// 压缩文件（多文件）
/// </summary>
/// <param name="FileToZipList">要压缩的文件名集合</param>
/// <param name="ZipedFile">生成的压缩文件路径</param>
/// <param name="BlockSize">缓存块大小</param>
public static void MultiFilesZip(IList<string> FileToZipList, string ZipedFile, int BlockSize)
{
FileStream ZipFile = File.Create(ZipedFile);
ZipOutputStream ZipStream = new ZipOutputStream(ZipFile);
try
{
foreach (string FileToZip in FileToZipList)
{
//如果文件没有找到，则报错
if (!File.Exists(HttpContext.Current.Server.MapPath("/" + FileToZip)))
{
MongoDBLog.LogRecord(new Exception("压缩文件未找到！"));
continue;
}
FileStream StreamToZip = new FileStream
(HttpContext.Current.Server.MapPath("/" + FileToZip), FileMode.Open, FileAccess.Read);
ZipEntry ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));
ZipStream.PutNextEntry(ZipEntry);
byte[] buffer = new byte[BlockSize];
System.Int32 size = StreamToZip.Read(buffer, 0, buffer.Length);
HttpContext.Current.Response.Write(StreamToZip.Length);
ZipStream.Write(buffer, 0, size);
while (size < StreamToZip.Length)
{
int sizeRead = StreamToZip.Read(buffer, 0, buffer.Length);
ZipStream.Write(buffer, 0, sizeRead);
size += sizeRead;
}
StreamToZip.Close();
}
}
catch (Exception ex)
{
MongoDBLog.LogRecord(ex);
}
finally
{
ZipStream.Finish();
ZipStream.Close();
}
}
//[Authorize(Roles = "Admin")]
public ActionResult ListarReporte(ListarReporteFormModel FORM)
{
ListarReporteViewModel model = new ListarReporteViewModel(FORM);
if (FORM.IdTipoReportes == null || (FORM.IdTipoReportes != null && !FORM.IdTipoReportes.Any()))
{
ModelState.AddModelError("FORM.IdTipoReportes", "Debe elegir almenos un tipode reporte.");
}
if (ModelState.IsValid)
{
// Armamos nuestro archivo de salida por empresa y departamento
MemoryStream outputMemStream = new MemoryStream();
ZipOutputStream zipStream = new ZipOutputStream(outputMemStream);
zipStream.SetLevel(3); //0-9, 9 being the highest level of compression
using (Stream memOutput = new MemoryStream())
using (ZipOutputStream zipOutput = new ZipOutputStream(memOutput))
{
zipOutput.SetLevel(3); //0-9, 9 being the highest level of compression
foreach (var tipoEmpresa in FORM.Empresa)
{
var empresa = db.EMPRESAs.SingleOrDefault(x => x.Codigo == tipoEmpresa);
IEnumerable<string> tipoDepartamentos = FORM.Departamento.Where(x=> x.Substring(0,2).Trim() == tipoEmpresa.Trim());
foreach(var tipoDepartamento in tipoDepartamentos)
{
string codigoDepartamento = tipoDepartamento.Substring(2,2).Trim();
var departamento = db.vw_Ubicaciones.FirstOrDefault(x => x.IdEmpresa == tipoEmpresa && x.Codigo.Trim() == codigoDepartamento);
foreach (var tipoReporte in FORM.IdTipoReportes)
{
ArchivoReporteFactoria archivoReporteFactoria = new ArchivoReporteFactoria();
IArchivoReporte archivoReporte = archivoReporteFactoria.CrearArchivoReporteFactoria(
tipoReporte,
db,
empresa,
departamento,
FORM.FechaDesde.Value,
FORM.FechaHasta.Value,
HttpContext.Server.MapPath("~/Content")
, FORM.Rut);
if (archivoReporte.GetArchivo() != null)
{
zipOutput.PutNextEntry(archivoReporte.GetZipArchivoReporte());
zipOutput.Write(archivoReporte.GetArchivo(), 0, archivoReporte.GetArchivoLength());
}
}
}
}
zipOutput.Finish();
byte[] newBytes = new byte[memOutput.Length];
memOutput.Seek(0, SeekOrigin.Begin);
memOutput.Read(newBytes, 0, newBytes.Length);
zipOutput.Close();
return File(newBytes, "application/zip", "Reportes -" + FORM.FechaDesde.Value.ToShortDateString() + " - " + FORM.FechaHasta.Value.ToShortDateString() + ".zip");
}
}
return View(model);
}
/// <summary>
/// Create a zip file.
/// </summary>
/// <param name="fileNames"></param>
/// <param name="outputZipFile">Create a zipfile. it will override the existed files.</param>
/// <returns></returns>
public Boolean ZipFile(String[] fileNames,String outputZipFile)
{
try
{
// 'using' statements gaurantee the stream is closed properly which is a big source
// of problems otherwise. Its exception safe as well which is great.
using (ZipOutputStream s = new ZipOutputStream(File.Create(outputZipFile)))
{
s.SetLevel(9); // 0 - store only to 9 - means best compression
byte[] buffer = new byte[4096];
foreach (String file in fileNames)
{
// Using GetFileName makes the result compatible with XP
// as the resulting path is not absolute.
ZipEntry entry = new ZipEntry(Path.GetFileName(file));
// Setup the entry data as required.
// Crc and size are handled by the library for seakable streams
// so no need to do them here.
// Could also use the last write time or similar for the file.
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using ( FileStream fs = File.OpenRead(file) ) {
// Using a fixed size buffer here makes no noticeable difference for output
// but keeps a lid on memory usage.
int sourceBytes;
do {
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while ( sourceBytes > 0 );
}
}
// Finish/Close arent needed strictly as the using statement does this automatically
// Finish is important to ensure trailing information for a Zip file is appended. Without this
// the created file would be invalid.
s.Finish();
// Close is important to wrap things up and unlock the file.
s.Close();
}
}
catch(Exception ex)
{
return false;
}
return true;
}
/// <summary>
/// 压缩多个文件/文件夹
/// </summary>
/// <param name="comment">注释信息</param>
/// <param name="password">压缩密码</param>
/// <param name="compressionLevel">压缩等级，范围从0到9，可选，默认为6</param>
/// <param name="filePaths">压缩文件路径</param>
/// <returns></returns>
private MemoryStream CreateZip(string comment, string password, int compressionLevel, params string[] filePaths)
{
MemoryStream memoryStream = new MemoryStream();
using (SharpZipLib.ZipOutputStream zipStream = new SharpZipLib.ZipOutputStream(memoryStream))
{
if (!string.IsNullOrWhiteSpace(password))
{
zipStream.Password = password;//设置密码
}
if (!string.IsNullOrWhiteSpace(comment))
{
zipStream.SetComment(comment);//添加注释
}
//设置压缩级别
zipStream.SetLevel(compressionLevel);
foreach (string item in filePaths)//从字典取文件添加到压缩文件
{
//如果不是文件直接跳过不打包
if (!File.Exists(item))
{
continue;
}
FileInfo fileInfo = new FileInfo(item);
using (FileStream fileStream = fileInfo.Open(FileMode.Open, FileAccess.Read, FileShare.Read))
{
SharpZipLib.ZipEntry zipEntry = new SharpZipLib.ZipEntry(Path.GetFileName(item));
zipEntry.DateTime = fileInfo.LastWriteTime;
zipEntry.Size = fileStream.Length;
zipStream.PutNextEntry(zipEntry);
int readLength = 0;
byte[] buffer = new byte[bufferSize];
do
{
readLength = fileStream.Read(buffer, 0, bufferSize);
zipStream.Write(buffer, 0, readLength);
}while (readLength == bufferSize);
}
}
}
return(memoryStream);
}
/// <summary>
/// 压缩文件(Zip)
/// </summary>
/// <param name="filesPath">待压缩文件目录</param>
/// <param name="zipFilePath">压缩文件输出目录</param>
/// <returns></returns>
public static ZipInfo CreateZipFile(string filesPath, string zipFilePath)
{
if (!System.IO.Directory.Exists(filesPath))
{
return(new ZipInfo
{
Success = false,
InfoMessage = "没有找到文件"
});
}
try
{
string[] filenames = System.IO.Directory.GetFiles(filesPath);
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream s = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(zipFilePath)))
{
s.SetLevel(9); // 压缩级别 0-9
//s.Password = "******"; //Zip压缩文件密码
byte[] buffer = new byte[4096]; //缓冲区大小
foreach (string file in filenames)
{
ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
return(new ZipInfo
{
Success = true,
InfoMessage = "压缩成功"
});
}
catch (Exception ex)
{
return(new ZipInfo
{
Success = false,
InfoMessage = ex.Message
});
}
}
public static Boolean ZipFile(String filePath, String zipFile)
{
if (!File.Exists(filePath))
{
Debug.WriteLine("Cannot find file '{0}'", filePath);
return(false);
}
try
{
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(zipFile)))
{
zipStream.SetLevel(9); //0~9
byte[] buffer = new byte[4096];
ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(System.IO.Path.GetFileName(filePath));
entry.DateTime = DateTime.Now;
zipStream.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(filePath))
{
int sourceBytes = 0;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
zipStream.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
zipStream.Finish();
zipStream.Close();
zipStream.Dispose();
}
if (File.Exists(zipFile))
{
return(true);
}
}
catch (Exception ex)
{
Debug.WriteLine("Exception during processing {0}", ex);
}
return(false);
}
/// <summary>
/// 压缩
/// </summary>
/// <param name="sourceBytes">待压缩数据</param>
/// <returns></returns>
public static byte[] Zip(byte[] sourceBytes)
{
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zs = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(ms))
{
ICSharpCode.SharpZipLib.Zip.ZipEntry entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry("Code")
{
DateTime = DateTime.Now
};
zs.PutNextEntry(entry);
zs.Write(sourceBytes, 0, sourceBytes.Length);
zs.Flush();
}
return(ms.ToArray());
}
}
private String CompressionDossier(String pFichier)
{
try
{
if (Directory.Exists(pFichier) == true)
{
//System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream();
using (var s = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(File.Create(String.Format("{0}.zip", pFichier))))
{
s.SetLevel(9);
var buffer = new byte[4096];
var entry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(pFichier)
{
DateTime = DateTime.Now
};
s.PutNextEntry(entry);
using (StreamReader fs = new StreamReader(pFichier))
{
int sourceBytes;
do
{
sourceBytes = fs.Read();
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
s.Finish();
s.Close();
s.Dispose();
pFichier = string.Format("{0}.zip", pFichier);
}
//}
}
return(pFichier);
}
catch (Exception ex)
{
throw ex;
}
}
}// ZipFile
/// <summary>
/// Zip multiple files(fileNames) in directory(directory) to (flowName).zip.
/// </summary>
/// <param name="directory"></param>
/// <param name="fileNames"></param>
/// <param name="reportName"></param>
public static void PackFilesIntoOne(string directory, string[] fileNames, string outputFilename)
{
if (directory == null)
{
throw new ArgumentNullException("directory");
}
if (fileNames == null)
{
throw new ArgumentNullException("fileNames");
}
if (outputFilename == null)
{
throw new ArgumentNullException("outputFilename");
}
if (fileNames.Length == 0)
{
throw new ArgumentException("Length cannot be 0.", "fileNames");
}
string newFilename = Path.Combine(directory, outputFilename);
if (File.Exists(newFilename))
{
File.Delete(newFilename);
}
using (FileStream fileStreamOut = File.Create(newFilename))
{
using (ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(fileStreamOut))
{
zipOutputStream.SetLevel(9);
foreach (string filename in fileNames)
{
ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(filename);
zipOutputStream.PutNextEntry(zipEntry);
using (FileStream fileStreamIn = File.OpenRead(Path.Combine(directory, filename)))
{
const long BUFFER_SIZE = 8192;
long currentIndex = 0;
byte[] buffer = new byte[BUFFER_SIZE];
if (fileStreamIn.Length <= BUFFER_SIZE)
{
fileStreamIn.Read(buffer, 0, Convert.ToInt32(fileStreamIn.Length));
zipOutputStream.Write(buffer, 0, Convert.ToInt32(fileStreamIn.Length));
}
else
{
do
{
long remaining = BUFFER_SIZE;
if (currentIndex + BUFFER_SIZE >= fileStreamIn.Length)
{
remaining = fileStreamIn.Length - currentIndex;
}
fileStreamIn.Read(buffer, 0, Convert.ToInt32(remaining));
currentIndex += remaining;
zipOutputStream.Write(buffer, 0, Convert.ToInt32(remaining));
} while (currentIndex < fileStreamIn.Length);
}
} // using ( FileStream fileStreamIn = File.OpenRead( Path.Combine( directory, filename ) ...
} // foreach
zipOutputStream.Flush();
zipOutputStream.Finish();
} //using ( ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream( fileStreamOut ) ) ...
} // using ( FileStream fileStreamOut = File.Create( newFilename ) ...
}
protected void btnExport_Click(object sender, EventArgs e)
{
string xType = ddlExportType.SelectedItem.Text;
bool xPack = ckbExportMulti.Checked;
if (xPack)
{
Master.Log.Info("Creating package: " + txtZipName.Text);
if (txtZipName.Text == "")
{
lblFNError.Visible = true;
return;
}
else
{
lblFNError.Visible = false;
}
using (MemoryStream OutputStream = new MemoryStream())
{
// Setup Zip Stream
string zipFileName = txtZipName.Text + ".osapkg";
ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(OutputStream);
zipStream.SetLevel(3);
zipStream.UseZip64 = ICSharpCode.SharpZipLib.Zip.UseZip64.On;
// Add each object on list to Zip in reverse order.
int lstCount = lstFileList.Items.Count;
if (lstCount > 0)
{
//foreach (ListItem lstItem in lstFileList.Items)
while (lstCount > 0)
{
ListItem lstItem = lstFileList.Items[lstCount - 1];
int iSplit = lstItem.Text.IndexOf("::");
string[] args = new string[2]; //lstItem.Text.Split(':',':');
args[0] = lstItem.Text.Substring(0, iSplit);
args[1] = lstItem.Text.Substring(iSplit + 2);
ExportObject xObj = new ExportObject(args[0], args[1]);
Master.Log.Info("Adding file: " + xObj.ExportFileName + " to package: " + txtZipName.Text);
ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(xObj.ExportFileName);
zipEntry.DateTime = DateTime.Now;
zipEntry.Size = xObj.byteData.Length;
zipStream.PutNextEntry(zipEntry);
zipStream.Write(xObj.byteData, 0, xObj.byteData.Length);
zipStream.Flush();
zipStream.CloseEntry();
lstCount = lstCount - 1;
}
}
// Finish up Zip
zipStream.IsStreamOwner = false;
zipStream.Close();
OutputStream.Position = 0;
byte[] byteArray = OutputStream.GetBuffer();
Int64 leng = byteArray.Length;
Response.Clear();
Response.AppendHeader("Content-Disposition", "attachment; filename=" + zipFileName);
Response.AppendHeader("Content-Length", leng.ToString());
Response.ContentType = "application/zip";
Response.BinaryWrite(byteArray);
Response.Flush();
Master.Log.Info("Exported package: " + txtZipName.Text + " - By User: "******"Username"]);
}
}
else
{
// Only 1 File
lstFileList.Items.Clear();
ExportObject sExport = new ExportObject(ddlObjToExport.SelectedValue, ddlExportType.SelectedValue);
Master.Log.Info("Exporting File: " + sExport.ExportFileName + " - By User: "******"Username"]);
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=\"" + sExport.ExportFileName + "\"");
Response.Charset = "";
if (sExport.DataType == "Text")
{
Response.ContentType = "application/text";
StringBuilder sb = new StringBuilder(sExport.stringData);
Response.Output.Write(sb.ToString());
}
else if (sExport.Type == "Image")
{
Response.ContentType = "image/" + Path.GetExtension(sExport.ExportFileName);
Response.BinaryWrite(sExport.byteData);
}
else
{
Response.ContentType = "application/octet-stream";
Response.AppendHeader("Content-Length", sExport.ByteSize.ToString());
Response.BinaryWrite(sExport.byteData);
}
Response.Flush();
Response.End();
//Master.Log.Info("Exported file: " + sExport.ExportFileName + " - By User: "******"Username"]);
}
btnClear_Click(this, null);
}
} // Unpack
/// <summary>
/// Zip a file.
/// </summary>
/// <param name="filename"></param>
/// <param name="appendZipExtension"></param>
public static void PackFile(string filename, bool appendZipExtension)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
if (!File.Exists(filename))
{
throw new ArgumentException(string.Format("File does not exist: {0}.", filename), "filename");
}
string newFilename = filename + ".zip";
if (!appendZipExtension)
{
newFilename = Path.GetDirectoryName(filename) + Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(filename) + ".zip";
}
if (File.Exists(newFilename))
{
File.Delete(newFilename);
}
FileStream fileStreamOut = File.Create(newFilename);
ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutputStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(fileStreamOut);
zipOutputStream.SetLevel(9);
ICSharpCode.SharpZipLib.Zip.ZipEntry zipEntry = new ICSharpCode.SharpZipLib.Zip.ZipEntry(Path.GetFileName(filename));
zipOutputStream.PutNextEntry(zipEntry);
FileStream fileStreamIn = File.OpenRead(filename);
const long BUFFER_SIZE = 8192;
long currentIndex = 0;
byte[] buffer = new byte[BUFFER_SIZE];
if (fileStreamIn.Length <= BUFFER_SIZE)
{
fileStreamIn.Read(buffer, 0, Convert.ToInt32(fileStreamIn.Length));
zipOutputStream.Write(buffer, 0, Convert.ToInt32(fileStreamIn.Length));
}
else
{
do
{
long remaining = BUFFER_SIZE;
if (currentIndex + BUFFER_SIZE >= fileStreamIn.Length)
{
remaining = fileStreamIn.Length - currentIndex;
}
fileStreamIn.Read(buffer, 0, Convert.ToInt32(remaining));
currentIndex += remaining;
zipOutputStream.Write(buffer, 0, Convert.ToInt32(remaining));
} while (currentIndex < fileStreamIn.Length);
}
fileStreamIn.Close();
zipOutputStream.Flush();
zipOutputStream.Finish();
zipOutputStream.Close();
fileStreamOut.Close();
}// ZipFile
