Changes between Version 5 and Version 6 of RpRepDeployment

Timestamp:

Oct 20, 2010, 12:11:46 PM (14 years ago)

Author:

s.meissner

Comment:

--

RpRepDeployment

@@ -17 +17 @@
 
 The REP is basically the **adapter to the SENSEI system that needs to be implemented**. 
-The Java REP reference implementation provides some helpers to the Resource Providers. The stubs for RPI and RAI methods are given in the example code.
-
-=== RPI methods: === 
-*       public List<String> publishResourceDescription(String descriptionString)
-*       public List<String> publishResourceDescription(ResourceDescription desc)
-*       public String updateResourceDescription(String resourceID, ResourceDescription description)
-*       public String deleteResourceDescription(List<String> resourceIDs)
+The Java REP reference implementation provides some helpers to Resource Providers. 
+The stubs for RPI and RAI methods are given in the example code.
 
 === Resource Access Interface ===
 
-The RAI methods are provided by the **RAIHandler** which is attached to the REP. The **RAIHandler** presents the Resource the REP exposes to the SENSEI Resource Users. In the example project a **com.sensinode.sensei.rep.rest.test.SensorType.class** is attached to the REP.
+The RAI methods are provided by the **RAI handler** which is attached to the REP. The **RAI handler** presents the Resource the REP exposes to the SENSEI Resource Users. 
+In the example project a **com.sensinode.sensei.rep.rest.test.SensorType.class** is uses as an example for a RAI handler attached to the REP.
 
 === RAI handler SensorType class explained ===
 
-'''GET''' requests are handled by its method: 
-*       public Representation represent(Variant variant)
-This method returns the Observation & Measurement value in XML/RDF format.
+'''GET''' requests are handled by the method toXML(). This method returns the Observation & Measurement value in XML/RDF format.
+
+{{{
+@Get("xml")
+public Representation toXml() {
+        try {
+                DomRepresentation representation = new DomRepresentation(
+                                MediaType.TEXT_XML);
+
+                // read the Observation & Measurement value from the respective file
+                String fileName = "./xml/sensors/" + sensorName + ".rdf";
+
+                File file = new File(fileName);
+
+                DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+                DocumentBuilder db = dbf.newDocumentBuilder();
+
+                // Generate a DOM document
+                Document doc = db.parse(file);
+                doc.normalize();
+                representation.setDocument(doc);
+
+                // Returns the XML representation of this document.
+                return representation;
+
+        } catch (IOException e) {
+                e.printStackTrace();
+        } catch (ParserConfigurationException e) {
+                e.printStackTrace();
+        } catch (SAXException e) {
+                e.printStackTrace();
+        }
+        return null;
+}
+}}}
+ 
 
 '''POST''' requests are handled by:
@@ -41 +70 @@
 
 The '''describeXXX''' methods in the SensorType class are used to create a WADL description of the Resource's RAI interface. In the currently used version of the Restlet framework the WADL support is not yet finalised, so that the WADL support cannot be guaranteed.  
+
+=== RPI methods: === 
+*       public List<String> publishResourceDescription(String descriptionString)
+*       public List<String> publishResourceDescription(ResourceDescription desc)
+*       public String updateResourceDescription(String resourceID, ResourceDescription description)
+*       public String deleteResourceDescription(List<String> resourceIDs)