--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/bugspot/PackageScanner.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2002 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.bugspot;
+
+import java.io.*;
+
+/** Scans a .java file for the package that it is in. */
+
+public class PackageScanner {
+
+  public PackageScanner() {
+  }
+
+  public String scan(String filename) {
+    return scan(new File(filename));
+  }
+
+  /** Returns the String comprising the package name of the classes in
+      this .java file. Returns the (non-null) empty string if any
+      error occurs or if the classes are in the unnamed package. */
+  public String scan(File file) {
+    BufferedReader buf = null;
+    String res = "";
+    try {
+      buf = new BufferedReader(new FileReader(file));
+      StreamTokenizer tok = new StreamTokenizer(buf);
+      tok.slashStarComments(true);
+      tok.slashSlashComments(true);
+      if (tok.nextToken() != StreamTokenizer.TT_WORD) {
+        return res;
+      }
+      if (!tok.sval.equals("package")) {
+        return res;
+      }
+      if (tok.nextToken() != StreamTokenizer.TT_WORD) {
+        return res;
+      }
+      res = tok.sval;
+      return res;
+    } catch (FileNotFoundException e) {
+      return res;
+    } catch (IOException e) {
+      return res;
+    } finally {
+      try {
+        if (buf != null) {
+          buf.close();
+        }
+      } catch (IOException e) {
+      }
+    }
+  }
+
+  public static void main(String[] args) {
+    if (args.length != 1) {
+      usage();
+    }
+
+    System.out.println(new PackageScanner().scan(args[0]));
+  }
+
+  private static void usage() {
+    System.err.println("Usage: java PackageScanner <.java file name>");
+    System.err.println("Prints package the .java file is in to stdout.");
+    System.exit(1);
+  }
+}