RomCheater/Serialization/SerializationWriter.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace RomCheater.Serialization
{
    public interface ISerializationWriter
    {
        int ResultCount { get; }
    }
    public abstract class SerializationWriter : ISerializationWriter, IDisposable
    {
        private const string DEFAULT_FOLDER = "tmp";
        private const string DEFAULT_FILENAME = "SerializedMemoryResults.tmp";
        private static string DEFAULT_PATH = string.Format(@"{0}\{1}", DEFAULT_FOLDER,DEFAULT_FILENAME);
        public SerializationWriter() : this(DEFAULT_PATH) { }
        protected SerializationWriter(string filename) : this(filename, 0) { }
        public SerializationWriter(int resultCount) : this(DEFAULT_PATH, resultCount) { }
        public SerializationWriter(string filename, int resultCount) { FileName = filename; ResultCount = resultCount; CreateFile(); }

        #region ISerializationWriter members
        public int ResultCount { get; protected set; }
        
        #endregion
        private FileStream fileStream;
        protected BinaryWriter binWriter;
        protected string FileName { get; private set; }
        private bool DeleteResultFile()
        {
            try
            {
                FileInfo fi = new FileInfo(FileName);
                if (fi.Exists)
                {
                    fi.Delete();
                    return true;
                }
                return true;
            }
            catch
            {
                return false;
            }
        }
        private void CreateFile()
        {
            DeleteResultFile();
            FileInfo fi = new FileInfo(FileName);
            if (!fi.Exists)
            {
                if (!fi.Directory.Exists)
                    fi.Directory.Create();
                FileStream t = fi.Create();
                t.Close();
            }
            fi = null;
            fileStream = new FileStream(FileName, FileMode.Append, FileAccess.Write, FileShare.Read);
            binWriter = new BinaryWriter(fileStream);
        }
        //protected void Write(byte[] data)
        //{            
        //    binWriter.Write(data);           
        //}

             #region IDisposable Support
        // Track whether Dispose has been called.
        private bool disposed = false;
        // Implement IDisposable.
        // Do not make this method virtual.
        // A derived class should not be able to override this method.
        public void Dispose()
        {
            Dispose(true);
            // This object will be cleaned up by the Dispose method.
            // Therefore, you should call GC.SupressFinalize to
            // take this object off the finalization queue
            // and prevent finalization code for this object
            // from executing a second time.
            GC.SuppressFinalize(this);
        }
        // Dispose(bool disposing) executes in two distinct scenarios.
        // If disposing equals true, the method has been called directly
        // or indirectly by a user's code. Managed and unmanaged resources
        // can be disposed.
        // If disposing equals false, the method has been called by the
        // runtime from inside the finalizer and you should not reference
        // other objects. Only unmanaged resources can be disposed.
        protected virtual void Dispose(bool disposing)
        {
            // Check to see if Dispose has already been called.
            if (!this.disposed)
            {
                // If disposing equals true, dispose all managed
                // and unmanaged resources.
                if (disposing)
                {
                    // Dispose managed resources.
                    //component.Dispose();
                }

                // Call the appropriate methods to clean up
                // unmanaged resources here.
                // If disposing is false,
                // only the following code is executed.
               
                // clean up any resources
                binWriter.Flush();
                binWriter.Close();
                binWriter = null;
                fileStream = null;                
                // Note disposing has been done.
                disposed = true;

            }
        }
        // Use C# destructor syntax for finalization code.
        // This destructor will run only if the Dispose method
        // does not get called.
        // It gives your base class the opportunity to finalize.
        // Do not provide destructors in types derived from this class.
        ~SerializationWriter()
        {
            // Do not re-create Dispose clean-up code here.
            // Calling Dispose(false) is optimal in terms of
            // readability and maintainability.
            Dispose(false);
        }
        #endregion
    }
}
Revision:	401
Committed:	Thu Jun 21 05:14:38 2012 UTC (11 years, 3 months ago) by william
File size:	5060 byte(s)
Log Message:	+ add serialization writer
#	User	Rev	Content
1	william	401	using System;
2			using System.Collections.Generic;
3			using System.Linq;
4			using System.Text;
5			using System.IO;
6
7			namespace RomCheater.Serialization
8			{
9			public interface ISerializationWriter
10			{
11			int ResultCount { get; }
12			}
13			public abstract class SerializationWriter : ISerializationWriter, IDisposable
14			{
15			private const string DEFAULT_FOLDER = "tmp";
16			private const string DEFAULT_FILENAME = "SerializedMemoryResults.tmp";
17			private static string DEFAULT_PATH = string.Format(@"{0}\{1}", DEFAULT_FOLDER,DEFAULT_FILENAME);
18			public SerializationWriter() : this(DEFAULT_PATH) { }
19			protected SerializationWriter(string filename) : this(filename, 0) { }
20			public SerializationWriter(int resultCount) : this(DEFAULT_PATH, resultCount) { }
21			public SerializationWriter(string filename, int resultCount) { FileName = filename; ResultCount = resultCount; CreateFile(); }
22
23			#region ISerializationWriter members
24			public int ResultCount { get; protected set; }
25
26			#endregion
27			private FileStream fileStream;
28			protected BinaryWriter binWriter;
29			protected string FileName { get; private set; }
30			private bool DeleteResultFile()
31			{
32			try
33			{
34			FileInfo fi = new FileInfo(FileName);
35			if (fi.Exists)
36			{
37			fi.Delete();
38			return true;
39			}
40			return true;
41			}
42			catch
43			{
44			return false;
45			}
46			}
47			private void CreateFile()
48			{
49			DeleteResultFile();
50			FileInfo fi = new FileInfo(FileName);
51			if (!fi.Exists)
52			{
53			if (!fi.Directory.Exists)
54			fi.Directory.Create();
55			FileStream t = fi.Create();
56			t.Close();
57			}
58			fi = null;
59			fileStream = new FileStream(FileName, FileMode.Append, FileAccess.Write, FileShare.Read);
60			binWriter = new BinaryWriter(fileStream);
61			}
62			//protected void Write(byte[] data)
63			//{
64			// binWriter.Write(data);
65			//}
66
67			#region IDisposable Support
68			// Track whether Dispose has been called.
69			private bool disposed = false;
70			// Implement IDisposable.
71			// Do not make this method virtual.
72			// A derived class should not be able to override this method.
73			public void Dispose()
74			{
75			Dispose(true);
76			// This object will be cleaned up by the Dispose method.
77			// Therefore, you should call GC.SupressFinalize to
78			// take this object off the finalization queue
79			// and prevent finalization code for this object
80			// from executing a second time.
81			GC.SuppressFinalize(this);
82			}
83			// Dispose(bool disposing) executes in two distinct scenarios.
84			// If disposing equals true, the method has been called directly
85			// or indirectly by a user's code. Managed and unmanaged resources
86			// can be disposed.
87			// If disposing equals false, the method has been called by the
88			// runtime from inside the finalizer and you should not reference
89			// other objects. Only unmanaged resources can be disposed.
90			protected virtual void Dispose(bool disposing)
91			{
92			// Check to see if Dispose has already been called.
93			if (!this.disposed)
94			{
95			// If disposing equals true, dispose all managed
96			// and unmanaged resources.
97			if (disposing)
98			{
99			// Dispose managed resources.
100			//component.Dispose();
101			}
102
103			// Call the appropriate methods to clean up
104			// unmanaged resources here.
105			// If disposing is false,
106			// only the following code is executed.
107
108			// clean up any resources
109			binWriter.Flush();
110			binWriter.Close();
111			binWriter = null;
112			fileStream = null;
113			// Note disposing has been done.
114			disposed = true;
115
116			}
117			}
118			// Use C# destructor syntax for finalization code.
119			// This destructor will run only if the Dispose method
120			// does not get called.
121			// It gives your base class the opportunity to finalize.
122			// Do not provide destructors in types derived from this class.
123			~SerializationWriter()
124			{
125			// Do not re-create Dispose clean-up code here.
126			// Calling Dispose(false) is optimal in terms of
127			// readability and maintainability.
128			Dispose(false);
129			}
130			#endregion
131			}
132			}