From 3a8431a106b88149e545c426bc104548ec28a2ed Mon Sep 17 00:00:00 2001
From: Gordon Sim <gsim@apache.org>
Date: Fri, 7 Nov 2014 16:26:30 +0000
Subject: QPID-6218: no need to retreieve external resources

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1637402 13f79535-47bb-0310-9956-ffa450edef68
---
 qpid/cpp/src/qpid/xml/XmlExchange.cpp | 21 ++++++++++++++++++++-
 qpid/cpp/src/qpid/xml/XmlExchange.h   |  3 +++
 2 files changed, 23 insertions(+), 1 deletion(-)

(limited to 'qpid/cpp')

diff --git a/qpid/cpp/src/qpid/xml/XmlExchange.cpp b/qpid/cpp/src/qpid/xml/XmlExchange.cpp
index 837693f53f..ffe9a66656 100644
--- a/qpid/cpp/src/qpid/xml/XmlExchange.cpp
+++ b/qpid/cpp/src/qpid/xml/XmlExchange.cpp
@@ -36,6 +36,7 @@
 #include "qpid/Plugin.h"
 
 #include <xercesc/framework/MemBufInputSource.hpp>
+#include <xercesc/util/XMLEntityResolver.hpp>
 
 #ifdef XQ_EFFECTIVE_BOOLEAN_VALUE_HPP
 #include <xqilla/ast/XQEffectiveBooleanValue.hpp>
@@ -59,6 +60,23 @@ namespace _qmf = qmf::org::apache::qpid::broker;
 
 namespace qpid {
 namespace broker {            
+
+namespace {
+const char* DUMMY("dummy");
+}
+class XmlNullResolver : public XERCES_CPP_NAMESPACE::XMLEntityResolver
+{
+ public:
+    XERCES_CPP_NAMESPACE::InputSource* resolveEntity(XERCES_CPP_NAMESPACE::XMLResourceIdentifier* xmlri)
+    {
+        if (xmlri->getResourceIdentifierType() == XERCES_CPP_NAMESPACE::XMLResourceIdentifier::ExternalEntity) {
+            return new XERCES_CPP_NAMESPACE::MemBufInputSource(0, 0, DUMMY);
+        } else {
+            return 0;
+        }
+    }
+};
+
     
 XQilla XmlBinding::xqilla;
 
@@ -111,7 +129,7 @@ XmlExchange::XmlExchange(const std::string& _name, Manageable* _parent, Broker*
 
 XmlExchange::XmlExchange(const std::string& _name, bool _durable, bool autodelete,
                          const FieldTable& _args, Manageable* _parent, Broker* b) :
-    Exchange(_name, _durable, autodelete, _args, _parent, b)
+    Exchange(_name, _durable, autodelete, _args, _parent, b), resolver(new XmlNullResolver)
 {
     if (mgmtExchange != 0)
         mgmtExchange->set_type (typeName);
@@ -269,6 +287,7 @@ bool XmlExchange::matches(Query& query, Deliverable& msg, bool parse_message_con
 
         if (parse_message_content) {
 
+            if (resolver) context->setXMLEntityResolver(resolver.get());
             msgContent = msg.getMessage().getContent();
 
             QPID_LOG(trace, "matches: message content is [" << msgContent << "]");
diff --git a/qpid/cpp/src/qpid/xml/XmlExchange.h b/qpid/cpp/src/qpid/xml/XmlExchange.h
index f9e92d60f9..4115f3d530 100644
--- a/qpid/cpp/src/qpid/xml/XmlExchange.h
+++ b/qpid/cpp/src/qpid/xml/XmlExchange.h
@@ -58,12 +58,15 @@ struct XmlBinding : public Exchange::Binding {
         
 };
 
+class XmlNullResolver;
+
 class XmlExchange : public virtual Exchange {
 
     typedef std::map<std::string, XmlBinding::vector> XmlBindingsMap;
     XmlBindingsMap bindingsMap;
 
     qpid::sys::RWlock lock;
+    boost::shared_ptr<XmlNullResolver> resolver;
 
     bool matches(Query& query, Deliverable& msg, bool parse_message_content);
 
-- 
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