diff options
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/ArrayTypeCommandSet.java')
-rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/ArrayTypeCommandSet.java | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/ArrayTypeCommandSet.java b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/ArrayTypeCommandSet.java new file mode 100644 index 000000000..b77c3a833 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/classpath/jdwp/processor/ArrayTypeCommandSet.java @@ -0,0 +1,105 @@ +/* ArrayTypeCommandSet.java -- class to implement the ArrayType Command Set + Copyright (C) 2005 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath 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, or (at your option) +any later version. + +GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.classpath.jdwp.processor; + +import gnu.classpath.jdwp.JdwpConstants; +import gnu.classpath.jdwp.exception.JdwpException; +import gnu.classpath.jdwp.exception.JdwpInternalErrorException; +import gnu.classpath.jdwp.exception.NotImplementedException; +import gnu.classpath.jdwp.id.ObjectId; +import gnu.classpath.jdwp.id.ReferenceTypeId; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.lang.reflect.Array; +import java.nio.ByteBuffer; + +/** + * A class representing the ArrayType Command Set. + * + * @author Aaron Luchko <aluchko@redhat.com> + */ +public class ArrayTypeCommandSet + extends CommandSet +{ + public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command) + throws JdwpException + { + + // Although there's only a single command to choose from we still use + // a switch to maintain consistency with the rest of the CommandSets + try + { + switch (command) + { + case JdwpConstants.CommandSet.ArrayType.NEW_INSTANCE: + executeNewInstance(bb, os); + break; + default: + throw new NotImplementedException("Command " + command + + " not found in ArrayType Command Set."); + } + } + catch (IOException ex) + { + // The DataOutputStream we're using isn't talking to a socket at all + // So if we throw an IOException we're in serious trouble + throw new JdwpInternalErrorException(ex); + } + + return false; + } + + public void executeNewInstance(ByteBuffer bb, DataOutputStream os) + throws JdwpException, IOException + { + ReferenceTypeId refId = idMan.readReferenceTypeId(bb); + Class arrayType = refId.getType(); + Class componentType = arrayType.getComponentType(); + + int length = bb.getInt(); + Object newArray = Array.newInstance(componentType, length); + ObjectId oid = idMan.getObjectId(newArray); + + // Since this array isn't referenced anywhere we'll disable garbage + // collection on it so it's still around when the debugger gets back to it. + oid.disableCollection(); + oid.writeTagged(os); + } +} |