1 files changed, 119 insertions, 0 deletions
diff --git a/src/com/wilko/jaim/FLAPFrame.java b/src/com/wilko/jaim/FLAPFrame.java
new file mode 100644
index 0000000..3abc3d8
--- /dev/null
+++ b/src/com/wilko/jaim/FLAPFrame.java
@@ -0,0 +1,119 @@
+/* 
+ *   (C) 2002 Paul Wilkinson  wilko@users.sourceforge.net
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/*
+ * FLAPFrame.java
+ *
+ * Created on 3 May 2002, 14:51
+ */
+
+package com.wilko.jaim;
+
+/**
+ *
+ * @author  paulw
+ * @version $Revision: 1.4 $
+ */
+public abstract class FLAPFrame {
+
+    public static final int FLAP_FRAME_SIGNON=1;
+    public static final int FLAP_FRAME_DATA=2;
+    public static final int FLAP_FRAME_ERROR=3;
+    public static final int FLAP_FRAME_SIGNOFF=4;
+    public static final int FLAP_FRAME_KEEP_ALIVE=5;
+    public static final int FLAP_DATA_OFFSET=6;
+    
+    protected byte[] frame;
+    protected int fLen;
+    
+    /** Creates new FLAPFrame */
+    public FLAPFrame() {
+        initialise();
+    }
+    
+    protected void setFrameData(byte b[])
+    {
+        frame=new byte[b.length];
+        fLen=b.length;
+        System.arraycopy(b,0,frame,0,b.length);
+    }
+    
+    protected void initialise()
+    {
+        frame = new byte[8192];
+        frame[0]=(byte)'*';
+	frame[1]=0;
+	frame[2]=0;
+	frame[3]=0;
+	frame[4]=0;
+	frame[5]=0;
+        fLen=6;
+        
+    }
+    
+    public void setSequence(int sequence)
+    {
+        frame[2]=(byte)((sequence/256)&0xff);
+        frame[3]=(byte)(sequence&0xff);
+    }
+    
+    public int getSequence()
+    {
+        return((frame[2]&0xff)*256+(frame[3]&0xff));
+    }
+    
+    public int getLength()
+    {
+        return((frame[4]&0xff)*256+(frame[5]&0xff));
+    }
+    
+    public void setLength(int length)
+    {
+        frame[4]=(byte)(length/256);
+        frame[5]=(byte)(length&0xff);
+        fLen=length+FLAP_DATA_OFFSET;
+    }
+    
+    public byte[] getFrameData()
+    {
+        byte[] b=new byte[fLen];
+        System.arraycopy(frame,0,b,0,fLen);
+        return(b);
+    }
+
+    public String toString()
+    {
+        StringBuffer temp=new StringBuffer();
+        for (int i=0;i<fLen;i++)
+	{
+		int k=frame[i]&0xff;
+		if (k<16)
+		{
+			temp.append("0"+Integer.toHexString(k)+" ");
+		}
+		else
+		{
+			temp.append(Integer.toHexString(k)+" ");
+		}
+	}
+	return(temp.toString());
+}
+    public abstract int getFLAPFrameType();
+    
+}