Esempio n. 1
0
		public static void  Main(System.String[] args)
		{
			System.String filename = null;
			bool extract = false;
			
			for (int i = 0; i < args.Length; ++i)
			{
				if (args[i].Equals("-extract"))
				{
					extract = true;
				}
				else if (filename == null)
				{
					filename = args[i];
				}
			}
			
			if (filename == null)
			{
				System.Console.Out.WriteLine("Usage: Lucene.Net.Index.IndexReader [-extract] <cfsfile>");
				return ;
			}
			
			Directory dir = null;
			CompoundFileReader cfr = null;
			
			try
			{
				System.IO.FileInfo file = new System.IO.FileInfo(filename);
				System.String dirname = new System.IO.FileInfo(file.FullName).DirectoryName;
				filename = file.Name;
				dir = FSDirectory.Open(new System.IO.FileInfo(dirname));
				cfr = new CompoundFileReader(dir, filename);
				
				System.String[] files = cfr.List();
				System.Array.Sort(files); // sort the array of filename so that the output is more readable
				
				for (int i = 0; i < files.Length; ++i)
				{
					long len = cfr.FileLength(files[i]);
					
					if (extract)
					{
						System.Console.Out.WriteLine("extract " + files[i] + " with " + len + " bytes to local directory...");
						IndexInput ii = cfr.OpenInput(files[i]);
						
						System.IO.FileStream f = new System.IO.FileStream(files[i], System.IO.FileMode.Create);
						
						// read and write with a small buffer, which is more effectiv than reading byte by byte
						byte[] buffer = new byte[1024];
						int chunk = buffer.Length;
						while (len > 0)
						{
							int bufLen = (int) System.Math.Min(chunk, len);
							ii.ReadBytes(buffer, 0, bufLen);
							f.Write(buffer, 0, bufLen);
							len -= bufLen;
						}
						
						f.Close();
						ii.Close();
					}
					else
						System.Console.Out.WriteLine(files[i] + ": " + len + " bytes");
				}
			}
			catch (System.IO.IOException ioe)
			{
				System.Console.Error.WriteLine(ioe.StackTrace);
			}
			finally
			{
				try
				{
					if (dir != null)
						dir.Close();
					if (cfr != null)
						cfr.Close();
				}
				catch (System.IO.IOException ioe)
				{
					System.Console.Error.WriteLine(ioe.StackTrace);
				}
			}
		}
Esempio n. 2
0
        public static void  Main(System.String[] args)
        {
            System.String filename = null;
            bool          extract  = false;

            for (int i = 0; i < args.Length; ++i)
            {
                if (args[i].Equals("-extract"))
                {
                    extract = true;
                }
                else if (filename == null)
                {
                    filename = args[i];
                }
            }

            if (filename == null)
            {
                System.Console.Out.WriteLine("Usage: Lucene.Net.index.IndexReader [-extract] <cfsfile>");
                return;
            }

            Directory          dir = null;
            CompoundFileReader cfr = null;

            try
            {
                System.IO.FileInfo file    = new System.IO.FileInfo(filename);
                System.String      dirname = new System.IO.FileInfo(file.FullName).DirectoryName;
                filename = file.Name;
                dir      = FSDirectory.GetDirectory(dirname, false);
                cfr      = new CompoundFileReader(dir, filename);

                System.String[] files = cfr.List();
                System.Array.Sort(files);                 // sort the array of filename so that the output is more readable

                for (int i = 0; i < files.Length; ++i)
                {
                    long len = cfr.FileLength(files[i]);

                    if (extract)
                    {
                        System.Console.Out.WriteLine("extract " + files[i] + " with " + len + " bytes to local directory...");
                        IndexInput ii = cfr.OpenInput(files[i]);

                        System.IO.FileStream f = new System.IO.FileStream(files[i], System.IO.FileMode.Create);

                        // read and write with a small buffer, which is more effectiv than reading byte by byte
                        byte[] buffer = new byte[1024];
                        int    chunk  = buffer.Length;
                        while (len > 0)
                        {
                            int bufLen = (int)System.Math.Min(chunk, len);
                            ii.ReadBytes(buffer, 0, bufLen);

                            byte[] byteArray = new byte[buffer.Length];
                            for (int index = 0; index < buffer.Length; index++)
                            {
                                byteArray[index] = (byte)buffer[index];
                            }

                            f.Write(byteArray, 0, bufLen);

                            len -= bufLen;
                        }

                        f.Close();
                        ii.Close();
                    }
                    else
                    {
                        System.Console.Out.WriteLine(files[i] + ": " + len + " bytes");
                    }
                }
            }
            catch (System.IO.IOException ioe)
            {
                System.Console.Error.WriteLine(ioe.StackTrace);
            }
            finally
            {
                try
                {
                    if (dir != null)
                    {
                        dir.Close();
                    }
                    if (cfr != null)
                    {
                        cfr.Close();
                    }
                }
                catch (System.IO.IOException ioe)
                {
                    System.Console.Error.WriteLine(ioe.StackTrace);
                }
            }
        }