--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/tools/jcore/PackageNameFilter.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2002-2005 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.
+ *
+ * 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 sun.jvm.hotspot.tools.jcore;
+
+import sun.jvm.hotspot.oops.*;
+import java.util.*;
+
+public class PackageNameFilter implements ClassFilter
+{
+    public Object[] pkgList;
+
+    public PackageNameFilter() {
+        // give comma separated list of package names to include
+        this(System.getProperty("sun.jvm.hotspot.tools.jcore.PackageNameFilter.pkgList"));
+    }
+
+    public PackageNameFilter(String pattern) {
+        try {
+            StringTokenizer st = new StringTokenizer(pattern, ",");
+            List l = new LinkedList();
+            while (st.hasMoreTokens()) {
+                l.add(st.nextToken());
+            }
+            pkgList = l.toArray();
+        } catch (Exception exp) {
+           exp.printStackTrace();
+        }
+    }
+
+    public boolean canInclude(InstanceKlass kls) {
+        String klassName = kls.getName().asString().replace('/', '.');
+        final int len = pkgList.length;
+        if (len == 0)
+            return true;
+        for (int i=0; i < len; i++)
+            if (klassName.startsWith((String) pkgList[i] )) return true;
+        return false;
+    }
+}