XML Exchange example.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@941497 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 77 insertions, 0 deletions

diff --git a/python/examples/api/hello_xml b/python/examples/api/hello_xml
new file mode 100755
index 0000000000..07c2b13120
--- /dev/null
+++ b/python/examples/api/hello_xml
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+import sys
+from qpid.messaging import *
+
+broker =  "localhost:5672"
+connection = Connection(broker)
+
+try:
+  connection.open()
+  session = connection.session()
+
+# Set up the receiver
+  query = """
+   let $w := ./weather
+   return $w/station = 'Raleigh-Durham International Airport (KRDU)'
+      and $w/temperature_f > 50
+      and $w/temperature_f - $w/dewpoint > 5
+      and $w/wind_speed_mph > 7
+      and $w/wind_speed_mph < 20   """
+
+#  query="./weather"
+
+  address = """
+    xml; {
+       create: always, 
+       node:{ type: queue }, 
+       link: { 
+         x-bindings: [{ exchange: xml, key: weather, arguments: { xquery: %r} }] 
+       } 
+    }
+    """ % query
+
+  receiver = session.receiver(address)
+
+# Send an observation
+
+  observations = """
+      <weather>
+         <station>Raleigh-Durham International Airport (KRDU)</station>
+         <wind_speed_mph>16</wind_speed_mph>
+         <temperature_f>70</temperature_f>
+         <dewpoint>35</dewpoint>
+      </weather>  """
+
+  message = Message(subject="weather", content=observations)
+  sender = session.sender("xml")
+  sender.send(message)
+
+# Retrieve matching message from the receiver and print it
+
+  message = receiver.fetch(timeout=1)
+  print message.content
+  session.acknowledge()
+
+except MessagingError,m:
+  print m
+finally:
+  connection.close()