1 files changed, 62 insertions, 0 deletions
diff --git a/ACE/examples/Web_Crawler/Web_Crawler.h b/ACE/examples/Web_Crawler/Web_Crawler.h
new file mode 100644
index 00000000000..01e275e2187
--- /dev/null
+++ b/ACE/examples/Web_Crawler/Web_Crawler.h
@@ -0,0 +1,62 @@
+/* -*- C++ -*- */
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    examples/Web_Crawler
+//
+// = FILENAME
+//    Web_Crawler.h
+//
+// = AUTHOR
+//    Douglas C. Schmidt <schmidt@cs.wustl.edu>
+//
+// ============================================================================
+
+#ifndef _WEB_CRAWLER_H
+#define _WEB_CRAWLER_H
+
+#include "URL_Addr.h"
+#include "HTTP_URL.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+// Forward declaration.
+class URL_Visitor_Factory;
+
+class Web_Crawler
+{
+  // = TITLE
+  //    An abstraction for a Web Crawler.
+  //
+  // = DESCRIPTION
+  //    This class is a Facade that organizes the other classes in the
+  //    solution, which include a factory that creates a visitor,
+  //    which in turn embodies the appropriate visitation strategy.
+public:
+  // = Initialization and termination methods.
+  Web_Crawler (void);
+  // Constructor.
+
+  ~Web_Crawler (void);
+  // Destructor.
+
+  int open (int argc, ACE_TCHAR *argv[]);
+  // Parses the command-line options and initializes the
+  // <URL_Visitor_Factory>.
+
+  int run (void);
+  // Run the Web Crawler and carries out whatever visitation strategy
+  // is configured.  Returns -1 on failure and 0 on success.
+
+private:
+  URL_Visitor_Factory *url_visitor_factory_;
+  // Pointer to a factory that creates visitors that explore URLs and
+  // perform various tasks.  Subclasses of <URL_Visitor_Factory>
+  // determine what happens during a visitation.
+};
+
+#endif /* _WEB_CRAWLER_H */