com.sun.btrace.comm.WireIO Maven / Gradle / Ivy
/*
* Copyright 2008-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.btrace.comm;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
public class WireIO {
private WireIO() {
}
public static Command read(ObjectInput in) throws IOException {
byte type = in.readByte();
Command cmd;
switch (type) {
case Command.ERROR:
cmd = new ErrorCommand();
break;
case Command.EVENT:
cmd = new EventCommand();
break;
case Command.EXIT:
cmd = new ExitCommand();
break;
case Command.INSTRUMENT:
cmd = new InstrumentCommand();
break;
case Command.MESSAGE:
cmd = new MessageCommand();
break;
case Command.RENAME:
cmd = new RenameCommand();
break;
case Command.SUCCESS:
cmd = new OkayCommand();
break;
case Command.NUMBER_MAP:
cmd = new NumberMapDataCommand();
break;
case Command.STRING_MAP:
cmd = new StringMapDataCommand();
break;
case Command.NUMBER:
cmd = new NumberDataCommand();
break;
case Command.GRID_DATA:
cmd = new GridDataCommand();
break;
case Command.RETRANSFORMATION_START:
cmd = new RetransformationStartNotification();
break;
case Command.RETRANSFORM_CLASS:
cmd = new RetransformClassNotification();
break;
default:
throw new RuntimeException("invalid command: " + type);
}
try {
cmd.read(in);
} catch (ClassNotFoundException cnfe) {
throw new IOException(cnfe);
}
return cmd;
}
public static void write(ObjectOutput out, Command cmd)
throws IOException {
out.writeByte(cmd.getType());
cmd.write(out);
out.flush();
}
}