From 4fb4a056c52d3a96b6ef9a4ceb5ce39fc716a9aa Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 21 Apr 2011 17:40:13 +0000
Subject: It...builds?

---
 java/com/xagasoft/gats/GatsInteger.java | 102 ++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 java/com/xagasoft/gats/GatsInteger.java

(limited to 'java/com/xagasoft/gats/GatsInteger.java')

diff --git a/java/com/xagasoft/gats/GatsInteger.java b/java/com/xagasoft/gats/GatsInteger.java
new file mode 100644
index 0000000..1093ab2
--- /dev/null
+++ b/java/com/xagasoft/gats/GatsInteger.java
@@ -0,0 +1,102 @@
+package com.xagasoft.gats;
+
+import java.io.OutputStream;
+import java.io.InputStream;
+
+public class GatsInteger extends GatsObject
+{
+	private long iValue = 0;
+
+	public GatsInteger()
+	{
+	}
+
+	public GatsInteger( long iValue )
+	{
+		this.iValue = iValue;
+	}
+
+	public long getValue()
+	{
+		return iValue;
+	}
+
+	public void setValue( long iValue )
+	{
+		this.iValue = iValue;
+	}
+
+	public int getType()
+	{
+		return GatsObject.INTEGER;
+	};
+
+	public void read( InputStream is, char cType ) throws java.io.IOException
+
+	{
+		iValue = readPackedInt( is );
+	}
+
+	public void write( OutputStream os ) throws java.io.IOException
+	{
+		os.write( (int)'i' );
+		writePackedInt( os, iValue );
+	}
+
+	/**
+	 * Possible TODO: have this return a Number, and construct either a Long
+	 * or BigInteger when appropriate.
+	 */
+	public static long readPackedInt( InputStream is ) throws java.io.IOException
+	{
+		int b;
+		long rOut = 0;
+		boolean bNeg;
+		
+		b = is.read();
+		bNeg = (b&0x40) == 0x40;
+		rOut |= b&0x3F;
+		int c = 0;
+		while( (b&0x80) == 0x80 )
+		{
+			b = is.read();
+			rOut |= (long)(b&0x7F) << (6+7*(c++));
+		}
+		if( bNeg )
+			return -rOut;
+		return rOut;
+	}
+
+	public static void writePackedInt( OutputStream os, long iIn ) throws java.io.IOException
+	{
+		int b;
+
+		if( iIn < 0 )
+		{
+			iIn = -iIn;
+			b = (int)(iIn&0x3F);
+			if( iIn > b )
+				b |= 0x80 | 0x40;
+			else
+				b |= 0x40;
+		}
+		else
+		{
+			b = (int)(iIn&0x3F);
+			if( iIn > b )
+				b |= 0x80;
+		}
+		os.write( b );
+		iIn = iIn >> 6;
+
+		while( iIn > 0 )
+		{
+			b = (int)(iIn&0x7F);
+			if( iIn > b )
+				b |= 0x80;
+			os.write( b );
+			iIn = iIn >> 7;
+		}
+	}
+};
+
-- 
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