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Diffstat (limited to 'libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java')
| -rw-r--r-- | libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java b/libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java deleted file mode 100644 index 06ec3c7681f..00000000000 --- a/libjava/gnu/classpath/jdwp/id/JdwpIdFactory.java +++ /dev/null @@ -1,165 +0,0 @@ -/* JdwpIdFactory.java -- factory for generating type and object IDs - 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 -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.id; - -import java.util.HashMap; - -/** - * This factory generates ids for objects and types that may - * be sent to a debugger. - * - * @author Keith Seitz (keiths@redhat.com) - */ -public class JdwpIdFactory -{ - // ID of last object / referencetype - private static Object _idLock = new Object (); - private static Object _ridLock = new Object (); - private static long _lastId = 0; - private static long _lastRid = 0; - - // A list of all ID types - private static HashMap _idList = new HashMap (); - - // Initialize the id list with known types - static - { - // ObjectId and ArrayId are special cases. See newId. - _idList.put (ClassLoaderId.typeClass, ClassLoaderId.class); - _idList.put (ClassObjectId.typeClass, ClassObjectId.class); - //_idList.put (FieldId.typeClass, FieldId.class); - //_idList.put (FrameId.typeClass, FrameId.class); - //_idList.put (MethodId.typeClass, MethodId.class); - _idList.put (StringId.typeClass, StringId.class); - _idList.put (ThreadId.typeClass, ThreadId.class); - _idList.put (ThreadGroupId.typeClass, ThreadGroupId.class); - } - - /** - * Returns a new id for the given object - * - * @param object the object for which an id is desired - * @returns a suitable object id - */ - public static JdwpId newId (Object object) - { - JdwpId id = null; - - // Special case: arrays - if (object.getClass ().isArray ()) - id = new ArrayId (); - else - { - // Loop through all classes until we hit baseclass - Class myClass; - for (myClass = object.getClass (); myClass != null; - myClass = myClass.getSuperclass ()) - { - Class clz = (Class) _idList.get (myClass); - if (clz != null) - { - try - { - id = (JdwpId) clz.newInstance (); - synchronized (_idLock) - { - id.setId (++_lastId); - } - return id; - } - catch (InstantiationException ie) - { - // This really should not happen - throw new RuntimeException ("cannot create new ID", ie); - } - catch (IllegalAccessException iae) - { - // This really should not happen - throw new RuntimeException ("illegal access of ID", iae); - } - } - } - - /* getSuperclass returned null and no matching ID type found. - So it must derive from Object. */ - id = new ObjectId (); - } - - synchronized (_idLock) - { - id.setId (++_lastId); - } - - return id; - } - - /** - * Returns a new reference type id for the given class - * - * @param clazz the <code>Class</code> for which an id is desired - * @returns a suitable reference type id or <code>null</code> - */ - public static ReferenceTypeId newReferenceTypeId (Class clazz) - { - ReferenceTypeId id = null; - try - { - if (clazz.isArray ()) - id = new ArrayReferenceTypeId (); - else if (clazz.isInterface ()) - id = new InterfaceReferenceTypeId (); - else - id = new ClassReferenceTypeId (); - synchronized (_ridLock) - { - id.setId (++_lastRid); - } - return id; - } - catch (InstantiationException ie) - { - return null; - } - catch (IllegalAccessException iae) - { - return null; - } - } -} |
