Add a java Sender with not dependences not even to gs-core

java/src/org/netstream/packing/Base64Packer.java

+/*
+ * Copyright 2006 - 2012
+ *      Stefan Balev       <stefan.balev@graphstream-project.org>
+ *      Julien Baudry	<julien.baudry@graphstream-project.org>
+ *      Antoine Dutot	<antoine.dutot@graphstream-project.org>
+ *      Yoann Pigné	<yoann.pigne@graphstream-project.org>
+ *      Guilhelm Savin	<guilhelm.savin@graphstream-project.org>
+ *  
+ * GraphStream is a library whose purpose is to handle static or dynamic
+ * graph, create them from scratch, file or any source and display them.
+ * 
+ * This program is free software distributed under the terms of two licenses, the
+ * CeCILL-C license that fits European law, and the GNU Lesser General Public
+ * License. You can  use, modify and/ or redistribute the software under the terms
+ * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
+ * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
+ * the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
+ */
+package org.netstream.packing;
+
+/**
+*
+* @file Base64Packer.java
+* @date Dec 14, 2011
+*
+* @author Yoann Pigné
+*
+*/
+
+import java.nio.ByteBuffer;
+
+
+public class Base64Packer extends NetStreamPacker {
+
+	
+
+	/* (non-Javadoc)
+	 * @see org.graphstream.stream.netstream.packing.NetStreamPacker#packMessage(java.nio.ByteBuffer, int, int)
+	 */
+	@Override
+	public ByteBuffer packMessage(ByteBuffer buffer, int startIndex,
+			int endIndex) {
+		String encoded = Base64.encodeBytes(buffer.array(),startIndex,endIndex-startIndex);
+		return ByteBuffer.wrap(encoded.getBytes());
+	}
+
+	/* (non-Javadoc)
+	 * @see org.graphstream.stream.netstream.packing.NetStreamPacker#packMessageSize(int)
+	 */
+	@Override
+	public ByteBuffer packMessageSize(int capacity) {
+		ByteBuffer sizeBuffer = ByteBuffer.allocate(4);
+		sizeBuffer.putInt(capacity);
+		String encoded = Base64.encodeBytes(sizeBuffer.array());
+		return ByteBuffer.wrap(encoded.getBytes());
+	}
+}

java/src/org/netstream/packing/NetStreamPacker.java

+/*
+ * Copyright 2006 - 2012
+ *      Stefan Balev       <stefan.balev@graphstream-project.org>
+ *      Julien Baudry	<julien.baudry@graphstream-project.org>
+ *      Antoine Dutot	<antoine.dutot@graphstream-project.org>
+ *      Yoann Pigné	<yoann.pigne@graphstream-project.org>
+ *      Guilhelm Savin	<guilhelm.savin@graphstream-project.org>
+ *  
+ * GraphStream is a library whose purpose is to handle static or dynamic
+ * graph, create them from scratch, file or any source and display them.
+ * 
+ * This program is free software distributed under the terms of two licenses, the
+ * CeCILL-C license that fits European law, and the GNU Lesser General Public
+ * License. You can  use, modify and/ or redistribute the software under the terms
+ * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
+ * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by
+ * the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
+ */
+package org.netstream.packing;
+
+import java.nio.ByteBuffer;
+
+/**
+ * 
+ */
+public abstract class NetStreamPacker {
+
+	/**
+	 * Pack the given ByteBuffer from startIndex to endIdex 
+	 * @param buffer The buffer to pack/encode
+	 * @param startIndex the index at which the encoding starts in the buffer
+	 * @param endIndex the index at which the encoding stops
+	 * @return a ByteBuffer that is the packed version of the input one. It may not have the same size.
+	 */
+	public abstract ByteBuffer packMessage(ByteBuffer buffer, int startIndex, int endIndex);
+
+	/**
+	 * Pack the given ByteBuffer form its position to its capacity.
+	 * @param buffer The buffer to pack/encode
+	 * @return a ByteBuffer that is the packed version of the input one. It may not have the same size.
+	 */
+	public ByteBuffer packMessage(ByteBuffer buffer){
+		return this.packMessage(buffer, 0, buffer.capacity());
+	}
+
+	/**
+	 * @param capacity
+	 * @return
+	 */
+	public abstract ByteBuffer packMessageSize(int capacity) ;
+	
+}