From c28e263fdf7db735972b528b44fd51b3f2727843 Mon Sep 17 00:00:00 2001
From: kirthika <kirthika@ae88bc3d-4319-0410-8dbf-d08b4c9d3795>
Date: Mon, 3 May 1999 20:09:06 +0000
Subject: part of HTTP_1.1_Client example

---
 examples/Web_Crawler/Command_Processor.cpp | 139 +++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 examples/Web_Crawler/Command_Processor.cpp

(limited to 'examples/Web_Crawler/Command_Processor.cpp')

diff --git a/examples/Web_Crawler/Command_Processor.cpp b/examples/Web_Crawler/Command_Processor.cpp
new file mode 100644
index 00000000000..cb22a1b14c7
--- /dev/null
+++ b/examples/Web_Crawler/Command_Processor.cpp
@@ -0,0 +1,139 @@
+ // $Id$
+
+#include "URL.h"
+#include "HTTP_URL.h"
+#include "Options.h"
+#include "Command_Processor.h"
+#include "URL_Visitor.h"
+
+ACE_RCSID(HTTP_1.1_Client, Command_Processor, "$Id$")
+
+Command::~Command (void)
+{
+}
+
+URL_Command::URL_Command (URL *url)
+  : url_ (url)
+{
+}
+
+int
+URL_Command::execute (void)
+{
+
+  ACE_CString check_string (this->url_->url_addr ().get_path_name ());
+  if (check_string.find ("news:") >= 0)
+    return 0;
+
+  if (check_string.find (".cgi") >= 0)
+     return 0;
+
+  if (check_string.find ("mailto") >= 0)
+    return 0;
+
+  if (check_string.find (".gif") >= 0)
+    return 0;
+  
+  if (check_string.find (".pdf") >= 0)
+    return 0;
+
+  if (check_string.find (".map") >= 0)
+    return 0;
+
+  if (check_string.find (".bmp") >= 0)
+    return 0;
+  
+  if (check_string.find (".jpg") >= 0)
+    return 0;
+  
+  if (this->url_->accept (OPTIONS::instance ()->visitor ()) !=0)
+    {
+      ACE_DEBUG ((LM_DEBUG, 
+                "Coudnt accept url\n"));
+      return -1;
+    }
+  return 0;
+}
+
+int
+URL_Command::destroy (void)
+{
+  delete this;
+  return 0;
+}
+Command_Processor::Command_Processor (void)
+{
+}
+
+Command_Processor::~Command_Processor (void)
+{
+}
+
+int
+Command_Processor::destroy (void)
+{
+  delete this;
+  return 0;
+return 0;
+}
+
+int
+Command_Processor::execute (void)
+{
+  Command *command;
+  while (this->url_queue_.is_empty () != 1)
+    {
+      if (this->url_queue_.dequeue_head (command) != 0)
+        ACE_ERROR_RETURN ((LM_ERROR,
+                           "%p\n", "dequeue_head"),
+                          -1);
+      URL_Command *url_command = ACE_dynamic_cast (URL_Command *,
+                                                   command);
+      Auto_Destroyer<URL_Command> url_command_ptr (url_command);
+      if (url_command_ptr->execute () != 0)
+        {
+        ACE_DEBUG ((LM_DEBUG,
+                    "Couldnt execute command"));
+        return -1;
+        }
+    }
+  return 0;
+}
+
+int
+Command_Processor::insert (Command *command)
+{
+  // According to the order specified the commands are removed from the queue. 
+  if (this->url_queue_.is_full() != 1)
+    {
+      if (ACE_OS::strcmp (OPTIONS::instance ()->order (),"FIFO") == 0)
+        {
+          if (this->url_queue_.enqueue_tail (command) !=0)
+            ACE_ERROR_RETURN ((LM_ERROR,
+                               "%p\n", "enqueue_tail"),
+                              - 1);
+        } 
+      if (ACE_OS::strcmp (OPTIONS::instance ()->order (),"LIFO") == 0)
+        {
+          if (this->url_queue_.enqueue_head (command) !=0)
+            ACE_ERROR_RETURN ((LM_ERROR,
+                               "%p\n", "enqueue_head"),
+                              - 1);
+        } 
+    }
+  return 0; 
+}
+
+#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
+template class ACE_Singleton<Options, ACE_Null_Mutex>;
+template class ACE_Unbounded_Queue<Command *>;
+template class ACE_Node<Command *>;
+template class ACE_Unbounded_Queue_Iterator<Command *>;
+template class ACE_Unbounded_Queue<Command *>;
+#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
+#pragma instantiate ACE_Singleton<Options, ACE_Null_Mutex>
+#pragma instantiate ACE_Unbounded_Queue<Command *>
+#pragma instantiate ACE_Node<Command *> 
+#pragma instantiate ACE_Unbounded_Queue_Iterator<Command *>
+#pragma instantiate ACE_Unbounded_Queue<Command *>
+#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
-- 
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