1 /* StringReferenceCommandSet.java -- class to implement the StringReference 2 Command Set 3 Copyright (C) 2005 Free Software Foundation 4 5 This file is part of GNU Classpath. 6 7 GNU Classpath is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 GNU Classpath is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GNU Classpath; see the file COPYING. If not, write to the 19 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 20 02110-1301 USA. 21 22 Linking this library statically or dynamically with other modules is 23 making a combined work based on this library. Thus, the terms and 24 conditions of the GNU General Public License cover the whole 25 combination. 26 27 As a special exception, the copyright holders of this library give you 28 permission to link this library with independent modules to produce an 29 executable, regardless of the license terms of these independent 30 modules, and to copy and distribute the resulting executable under 31 terms of your choice, provided that you also meet, for each linked 32 terms of your choice, provided that you also meet, for each linked 33 independent module, the terms and conditions of the license of that 34 module. An independent module is a module which is not derived from 35 or based on this library. If you modify this library, you may extend 36 this exception to your version of the library, but you are not 37 obligated to do so. If you do not wish to do so, delete this 38 exception statement from your version. */ 39 40 41 package gnu.classpath.jdwp.processor; 42 43 import gnu.classpath.jdwp.JdwpConstants; 44 import gnu.classpath.jdwp.exception.JdwpException; 45 import gnu.classpath.jdwp.exception.JdwpInternalErrorException; 46 import gnu.classpath.jdwp.exception.NotImplementedException; 47 import gnu.classpath.jdwp.id.ObjectId; 48 import gnu.classpath.jdwp.util.JdwpString; 49 50 import java.io.DataOutputStream; 51 import java.io.IOException; 52 import java.nio.ByteBuffer; 53 54 /** 55 * A class representing the StringReference Command Set. 56 * 57 * @author Aaron Luchko <aluchko@redhat.com> 58 */ 59 public class StringReferenceCommandSet 60 extends CommandSet 61 { 62 runCommand(ByteBuffer bb, DataOutputStream os, byte command)63 public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command) 64 throws JdwpException 65 { 66 try 67 { 68 69 // Although there's only a single command to choose from we still use 70 // a switch to maintain consistency with the rest of the CommandSets 71 switch (command) 72 { 73 case JdwpConstants.CommandSet.StringReference.VALUE: 74 executeValue(bb, os); 75 break; 76 default: 77 throw new NotImplementedException("Command " + command + 78 " not found in String Reference Command Set."); 79 } 80 } 81 catch (IOException ex) 82 { 83 // The DataOutputStream we're using isn't talking to a socket at all 84 // So if we throw an IOException we're in serious trouble 85 throw new JdwpInternalErrorException(ex); 86 } 87 88 return false; 89 } 90 executeValue(ByteBuffer bb, DataOutputStream os)91 private void executeValue(ByteBuffer bb, DataOutputStream os) 92 throws JdwpException, IOException 93 { 94 ObjectId oid = idMan.readObjectId(bb); 95 96 String str = (String) oid.getObject(); 97 JdwpString.writeString(os, str); 98 } 99 } 100