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From akaras...@apache.org
Subject svn commit: r106701 - /incubator/directory/seda/trunk/src/java/org/apache/seda/HexDump.java /incubator/directory/seda/trunk/src/test/org/apache/seda/HexDumpTest.java
Date Sat, 27 Nov 2004 09:44:02 GMT
Author: akarasulu
Date: Sat Nov 27 01:44:01 2004
New Revision: 106701

URL: http://svn.apache.org/viewcvs?view=rev&rev=106701
Log:
some tools that came in handy
Added:
   incubator/directory/seda/trunk/src/java/org/apache/seda/HexDump.java
   incubator/directory/seda/trunk/src/test/org/apache/seda/HexDumpTest.java

Added: incubator/directory/seda/trunk/src/java/org/apache/seda/HexDump.java
Url: http://svn.apache.org/viewcvs/incubator/directory/seda/trunk/src/java/org/apache/seda/HexDump.java?view=auto&rev=106701
==============================================================================
--- (empty file)
+++ incubator/directory/seda/trunk/src/java/org/apache/seda/HexDump.java	Sat Nov 27 01:44:01
2004
@@ -0,0 +1,113 @@
+/*
+ *   Copyright 2004 The Apache Software Foundation
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ *
+ */
+package org.apache.seda;
+
+
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.io.FileOutputStream;
+import java.io.File;
+import java.io.IOException;
+
+
+/**
+ * Document this class.
+ *
+ * @author <a href="mailto:directory-dev@incubator.apache.org">Apache Directory Project</a>
+ * @version $Rev$
+ */
+public class HexDump
+{
+    private final static char[] hexChars = {
+        '0', '1', '2', '3',
+        '4', '5', '6', '7',
+        '8', '9', 'a', 'b',
+        'c', 'd', 'e', 'f'
+    };
+
+
+    public static final StringBuffer dump( ByteBuffer[] buffers )
+    {
+        StringBuffer buf = new StringBuffer();
+
+        int byteCount = 0;
+        for ( int ii = 0; ii < buffers.length; ii++ )
+        {
+            ByteBuffer dup = buffers[ii].duplicate();
+            while ( dup.hasRemaining() )
+            {
+                if ( byteCount % 8 == 0 )
+                {
+                    buf.append( "  " );
+                }
+
+                if ( byteCount % 16 == 0 )
+                {
+                    buf.append( '\n' );
+
+                    int address = byteCount/16 + 10000000;
+                    String addressStr = String.valueOf( address ).substring(1) + "0:  ";
+                    buf.append( addressStr );
+                }
+
+                byte bite = dup.get();
+                buf.append( hexChars[ ( bite & 0xF0 ) >> 4 ] );
+                buf.append( hexChars[ bite & 0x0F ]);
+                buf.append( ' ' );
+                byteCount++;
+            }
+        }
+
+        return buf;
+    }
+
+
+    public static void dump( String filename, ByteBuffer[] buffers ) throws IOException
+    {
+        File f = new File( filename );
+        f.createNewFile();
+        FileOutputStream outStream = new FileOutputStream( f );
+        FileChannel out = outStream.getChannel();
+
+        ByteBuffer[] dups = new ByteBuffer[ buffers.length ];
+        for ( int ii = 0; ii < buffers.length; ii++ )
+        {
+            dups[ii] = buffers[ii].duplicate();
+        }
+
+        while ( hasRemaining( dups ) )
+        {
+            out.write( dups );
+        }
+
+        outStream.close();
+    }
+
+
+    public static boolean hasRemaining( ByteBuffer[] buffers )
+    {
+        for ( int ii = 0; ii < buffers.length; ii++ )
+        {
+            if ( buffers[ii].hasRemaining() )
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}

Added: incubator/directory/seda/trunk/src/test/org/apache/seda/HexDumpTest.java
Url: http://svn.apache.org/viewcvs/incubator/directory/seda/trunk/src/test/org/apache/seda/HexDumpTest.java?view=auto&rev=106701
==============================================================================
--- (empty file)
+++ incubator/directory/seda/trunk/src/test/org/apache/seda/HexDumpTest.java	Sat Nov 27 01:44:01
2004
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2004 The Apache Software Foundation
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ *
+ */
+package org.apache.seda;
+
+
+import java.nio.ByteBuffer;
+
+import junit.framework.TestCase;
+
+
+/**
+ * Document this class.
+ *
+ * @author <a href="mailto:directory-dev@incubator.apache.org">Apache Directory Project</a>
+ * @version $Rev$
+ */
+public class HexDumpTest extends TestCase
+{
+    public void testDump()
+    {
+        ByteBuffer[] buffers = new ByteBuffer[] {
+            ByteBuffer.wrap( "Hello World this is the hex dump tool".getBytes() )
+        };
+
+        System.err.println( HexDump.dump( buffers ) );
+    }
+}

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