From d0261de8026fd49dd2e12b00d699be49730df0a3 Mon Sep 17 00:00:00 2001
From: "Valeriano A.R" <valen.alfonso@gmail.com>
Date: Mon, 7 Oct 2019 11:06:00 +0200
Subject: [PATCH] SplittingStreamWriter: StreamWriter that splits files.

---
 .../Code/SplittingStreamWriter.cs             | 65 +++++++++++++++++++
 .../VAR.DatabaseExplorer.csproj               |  1 +
 2 files changed, 66 insertions(+)
 create mode 100644 VAR.DatabaseExplorer/Code/SplittingStreamWriter.cs

diff --git a/VAR.DatabaseExplorer/Code/SplittingStreamWriter.cs b/VAR.DatabaseExplorer/Code/SplittingStreamWriter.cs
new file mode 100644
index 0000000..a7eea46
--- /dev/null
+++ b/VAR.DatabaseExplorer/Code/SplittingStreamWriter.cs
@@ -0,0 +1,65 @@
+using System.IO;
+using System.Text;
+
+namespace VAR.DatabaseExplorer.Code
+{
+    class SplittingStreamWriter : TextWriter
+    {
+        private string _baseFileName = null;
+        private int _fileNumber = 0;
+
+        private StreamWriter _currentStreamWriter = null;
+
+        public SplittingStreamWriter(string baseFileName)
+        {
+            _baseFileName = baseFileName;
+            _currentStreamWriter = new StreamWriter(string.Format(_baseFileName, _fileNumber));
+        }
+
+        public override void Write(char value)
+        {
+            _currentStreamWriter.Write(value);
+        }
+
+        public override void Write(string value)
+        {
+            _currentStreamWriter.Write(value);
+        }
+
+        public override void WriteLine()
+        {
+            _currentStreamWriter.WriteLine();
+        }
+
+        public override void WriteLine(string value)
+        {
+            _currentStreamWriter.WriteLine(value);
+        }
+
+        public override Encoding Encoding
+        {
+            get { return Encoding.Default; }
+        }
+
+        public void Split()
+        {
+            _currentStreamWriter.Close();
+            _fileNumber++;
+            _currentStreamWriter = new StreamWriter(string.Format(_baseFileName, _fileNumber));
+        }
+
+        public static void Split(object obj)
+        {
+            SplittingStreamWriter splittingStreamWriter = obj as SplittingStreamWriter;
+            if (obj == null) { return; }
+            splittingStreamWriter.Split();
+        }
+
+        public override void Close()
+        {
+            _currentStreamWriter.Close();
+            _currentStreamWriter = null;
+            _fileNumber = 0;
+        }
+    }
+}
diff --git a/VAR.DatabaseExplorer/VAR.DatabaseExplorer.csproj b/VAR.DatabaseExplorer/VAR.DatabaseExplorer.csproj
index 3e90f34..b437945 100644
--- a/VAR.DatabaseExplorer/VAR.DatabaseExplorer.csproj
+++ b/VAR.DatabaseExplorer/VAR.DatabaseExplorer.csproj
@@ -97,6 +97,7 @@
     <Compile Include="Code\DataTransfer\Table.cs" />
     <Compile Include="Code\DataTransfer\User.cs" />
     <Compile Include="Code\DataTransfer\ViewDefinition.cs" />
+    <Compile Include="Code\SplittingStreamWriter.cs" />
     <Compile Include="Code\TableRowHelper.cs" />
     <Compile Include="Controls\CustomListView.cs">
       <SubType>Component</SubType>