23850 Add getComponentState() and setComponentState() to JavaFxExample (#20)

* Add getComponetState() and setComponenetState() for linked linker channel and symbol data

* Fix base on Andy comments

Author: ethan-ciq

src/main/java/com/chartiq/finsemble/example/JavaExample.java

@@ -162,6 +162,15 @@ public void error(ConnectionEventGenerator from, Exception e) {
             setDraggable();
             setDropable();
 
+            //GetComponentState
+            final JSONArray getComponentStateFields = new JSONArray(){{
+                put("Finsemble_Linker");
+                put("symbol");
+            }};
+            final JSONObject getComponentStateParam = new JSONObject(){{
+                put("fields", getComponentStateFields);
+            }};
+            fsbl.getClients().getWindowClient().getComponentState(getComponentStateParam, this::handleGetComponentStateCb);
         } catch (Exception ex) {
             LOGGER.log(Level.SEVERE, "Error initializing Finsemble connection", ex);
             appendMessage("Error initializing Finsemble connection: " + ex.getMessage());
@@ -270,6 +279,11 @@ private void handleSymbol(JSONObject err, JSONObject res) {
             final String symbol = res.has("data") && res.getJSONObject("data").has("data") ?
                     res.getJSONObject("data").getString("data") :
                     "";
+            final JSONObject param = new JSONObject() {{
+                put("field", "symbol");
+                put("value", symbol);
+            }};
+            fsbl.getClients().getWindowClient().setComponentState(param, (e, r) -> { });
             Platform.runLater(() -> symbolLabel.setText(symbol));
         }
     }
@@ -378,6 +392,29 @@ private void setFormEnable(boolean enabled) {
         dockingCheckbox.setDisable(!enabled);
     }
 
+    private void handleGetComponentStateCb(JSONObject err, JSONObject res) {
+        if(err!=null){
+            fsbl.getClients().getLogger().error(err.toString());
+        }else{
+            //Set subscribe linker channel
+            if (res.has("Finsemble_Linker")) {
+                final JSONArray channelToLink = res.getJSONArray("Finsemble_Linker");
+                for (int i = 0; i < channelToLink.length(); i++) {
+                    Button tempBtn = (Button) window.getScene().lookup("#" + channelToLink.getString(i) + "Button");
+                    Platform.runLater(() -> tempBtn.fire());
+                }
+            }
+
+            //Set symbol value
+            if(res.has("symbol")) {
+                final String symbol = res.getString("symbol");
+                if (!symbol.equals("")) {
+                    Platform.runLater(() -> symbolLabel.setText(symbol));
+                }
+            }
+        }
+    }
+
     private void setDraggable() {
         //Add emitters
         Map<String, Function> emitters = new HashMap<>();