Merge branch 'master' of https://its-gitlab.init.hs-owl.de/mo_b_l/aped_app

APED/app/src/main/assets/XML

@@ -1 +1 @@
-Subproject commit 2fddb6ae3ff3247f684c89c34d0d859b7b2076bc
+Subproject commit 74b98acdc7fe19ceb480b7a2d5034b4bde9c5729

APED/app/src/main/assets/defaultConfig.json

@@ -1,6 +1,6 @@
 {
   "address": "192.168.1.100",
   "port" : 8080,
-  "currentView" : "",
+  "currentView" : -1,
   "favorites" : [ ]
 }

APED/app/src/main/java/com/example/aped/utils/IXML.java

@@ -17,4 +17,11 @@ public interface IXML {
      * @return the value info as a Dictionary
      */
     Dictionary<String, Object> getPort(String deviceName);
+
+    /**
+     * Method to read the buffer size of a given device from the XML.
+     * @param deviceName the name of the relevant device
+     * @return the buffer size as an {@link Integer}
+     */
+    int getBufferSize(String deviceName);
 }

APED/app/src/main/java/com/example/aped/utils/XMLHandler.java

@@ -70,6 +70,31 @@ public class XMLHandler implements IXML {
         return returnList;
     }
 
+    /**
+     * reads the buffer size from the XML file
+     * @param deviceName the name of the relevant device
+     * @return the buffer size as an {@link Integer}
+     */
+    @Override
+    public int getBufferSize(String deviceName) {
+        XPathFactory xPathFactory = XPathFactory.newInstance();
+        XPath xPath = xPathFactory.newXPath();
+        try {
+            XPathExpression xPathExpression = xPath.compile(
+                    "//Device[@name='" + deviceName + "']");
+            Element result = (Element) xPathExpression.evaluate(
+                    root, XPathConstants.NODE);
+            return Integer.parseInt(result.getAttribute("buffer_size"));
+        } catch (XPathExpressionException e) {
+            Log.e(
+                    "XMLHandler",
+                    "the XPath for getting the buffer size has errors:"
+                            + e.getMessage()
+            );
+        }
+        return 0;
+    }
+
     /**
      * reads the port information from the XML file.
      * @param deviceName the name of the relevant device
@@ -99,7 +124,7 @@ public class XMLHandler implements IXML {
         } catch (XPathExpressionException e) {
             Log.e(
                     "XMLHandler",
-                    "the XPath for getting the value info has errors:"
+                    "the XPath for getting the port info has errors:"
                             + e.getMessage()
             );
         }

APED/app/src/test/java/com/example/aped/XMLHandlerUnitTest.java

@@ -22,9 +22,6 @@ public class XMLHandlerUnitTest {
     public void TestFiles_AreValid(){
         try{
             XMLHandler xmlHandler = new XMLHandler(xmlFile);
-        }catch(IOException | ParserConfigurationException | SAXException e){
-            System.out.println("XMLHandler failed");
-            assert(false);
         }catch(VerifyError e){
             System.out.println("XML not valid");
             assert(false);
@@ -33,37 +30,29 @@ public class XMLHandlerUnitTest {
 
     @Test
     public void Test_getDeviceNames(){
-        try{
             XMLHandler xmlHandler = new XMLHandler(xmlFile);
             List<String> deviceNames = xmlHandler.getDeviceNames();
-            assertArrayEquals(new String[]{"example","sensorarray"},deviceNames.toArray());
+            assertArrayEquals(new String[]{"example","PWM_example","sensorarray"},deviceNames.toArray());
-        }catch(IOException | ParserConfigurationException | SAXException e){
-            System.out.println("XMLHandler failed");
-            assert(false);
-        }
     }
 
     @Test
     public void TestInput_SimplePort(){
-        try{
             XMLHandler xmlHandler = new XMLHandler(xmlFile);
             Dictionary<String, Object> port = xmlHandler.getPort("example");
-            assertEquals("{pins=[GPIO_2], protocol=DI}",port.toString());
+            assertEquals("{pins=[GPIO_2], frequency=, protocol=DI}",port.toString());
-        }catch(IOException | ParserConfigurationException | SAXException e){
-            System.out.println("XMLHandler failed");
-            assert(false);
-        }
     }
 
     @Test
     public void TestInput_ComplexPort(){
-        try{
             XMLHandler xmlHandler = new XMLHandler(xmlFile);
             Dictionary<String, Object> port = xmlHandler.getPort("sensorarray");
-            assertEquals("{pins=[GPIO_3, GPIO_4, GPIO_5, GPIO_6], protocol=DI}",port.toString());
+            assertEquals("{pins=[GPIO_3, GPIO_4, GPIO_5, GPIO_6], frequency=, protocol=DI}",port.toString());
-        }catch(IOException | ParserConfigurationException | SAXException e){
-            System.out.println("XMLHandler failed");
-            assert(false);
     }
+
+    @Test
+    public void TestInput_BufferSize(){
+            XMLHandler xmlHandler = new XMLHandler(xmlFile);
+            int bufferSize = xmlHandler.getBufferSize("PWM_example");
+            assertEquals(1000,bufferSize);
     }
 }