From d769f3445ed4779715b5c2570731b4bb73d8d2aa Mon Sep 17 00:00:00 2001
From: ulrich
Date: Tue, 20 Apr 2021 17:15:03 +0000
Subject: [PATCH] Geraete-Liste mit Status (in Arbeit)

---
 src/de/uhilger/mediaz/api/StorageHandler.java |   83 +++++++++++++++++++++++++++++++++++++----
 1 files changed, 74 insertions(+), 9 deletions(-)

diff --git a/src/de/uhilger/mediaz/api/StorageHandler.java b/src/de/uhilger/mediaz/api/StorageHandler.java
index e6521bc..5d8db1b 100644
--- a/src/de/uhilger/mediaz/api/StorageHandler.java
+++ b/src/de/uhilger/mediaz/api/StorageHandler.java
@@ -22,13 +22,36 @@
 import de.uhilger.mediaz.App;
 import static de.uhilger.mediaz.App.RB_EP_LISTE;
 import de.uhilger.mediaz.Server;
-import static de.uhilger.mediaz.Server.RB_SLASH;
 import de.uhilger.mediaz.store.FileStorage;
 import de.uhilger.mediaz.entity.Entity;
+import de.uhilger.mediaz.entity.Geraet;
+import static de.uhilger.mediaz.store.FileStorage.ST_ABLAGEORT;
+import static de.uhilger.mediaz.store.FileStorage.ST_GERAET;
+import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.Authenticator;
+import java.net.HttpURLConnection;
+import java.net.InetSocketAddress;
+import java.net.ProxySelector;
+import java.net.URI;
+import java.net.URL;
+import java.util.Iterator;
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+
+import java.net.http.HttpClient;
+import java.net.http.HttpClient.Version;
+import java.net.http.HttpClient.Redirect;
+import java.net.http.HttpClient.Builder;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.http.HttpResponse.BodyHandlers;
+import java.time.Duration;
+import java.util.ArrayList;
+
 
 /**
  * HttpHandler fuer die Verwaltung von Entitaeten der Mediazentrale
@@ -43,7 +66,7 @@
   @Override
   protected String put(HttpExchange e) throws IOException {
     String path = e.getRequestURI().toString();
-    String[] elems = path.split(App.getRs(Server.RB_SLASH));
+    String[] elems = path.split(Server.SLASH);
     String type = elems[elems.length - 2];
     String elemName = elems[elems.length - 1]; // alter Name, wenn Aenderung
     if(!elemName.equalsIgnoreCase(App.getRs(RB_EP_LISTE))) {
@@ -59,7 +82,7 @@
         } else {
           fs.write(entity, false);
         }
-        return type + App.getRs(Server.RB_SLASH) + entity.getName();
+        return type + Server.SLASH + entity.getName();
       } else {
         return "Ungueltiges Objekt im Body.";
       }
@@ -70,23 +93,60 @@
   
   private boolean loeschen(HttpExchange e) {
     String path = e.getRequestURI().toString();
-    String[] elems = path.split(App.getRs(Server.RB_SLASH));
+    String[] elems = path.split(Server.SLASH);
     String type = elems[elems.length - 2];
     String elemName = elems[elems.length - 1];
     FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
     return fs.delete(type, elemName);
   }
   
-  private String lesen(HttpExchange e) {
+  private String lesen(HttpExchange e) throws IOException, InterruptedException {
     String path = e.getRequestURI().toString();
-    String[] elems = path.split(App.getRs(Server.RB_SLASH));
+    String[] elems = path.split(Server.SLASH);
     FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
-    if(path.endsWith(App.getRs(RB_SLASH))) {
+    if(path.endsWith(Server.SLASH)) {
       List list = null;
       if(elems[elems.length - 1].equalsIgnoreCase(App.getRs(RB_EP_LISTE))) {
         String type = elems[elems.length - 2];
         logger.fine(type);
-        list = fs.list(type);
+        if(type.equalsIgnoreCase(ST_GERAET)) {
+          list = fs.listObjects(type);
+          List<Geraet> newList = new ArrayList();
+          Iterator<Entity> i = list.iterator();
+          while(i.hasNext()) {
+            Entity entity = i.next();
+            if(entity instanceof Geraet) {
+              Geraet g = (Geraet) entity;
+              String statusurl = g.getStatusUrl();
+              logger.info(statusurl);
+              
+              HttpRequest request = HttpRequest.newBuilder()
+                .uri(URI.create(statusurl))
+                .build();
+              HttpClient client = HttpClient.newBuilder()
+                    .version(Version.HTTP_1_1)
+                    .followRedirects(Redirect.NORMAL)
+                    .connectTimeout(Duration.ofSeconds(20))
+                    //.proxy(ProxySelector.of(new InetSocketAddress("proxy.example.com", 80)))
+                    //.authenticator(Authenticator.getDefault())
+                    .build();
+               HttpResponse<String> response = client.send(request, BodyHandlers.ofString());
+               logger.finer(Integer.toString(response.statusCode()));
+               logger.finer(response.body());                
+               // {"ison":false,"has_timer":false,"overpower":false}
+               String[] parts = response.body().split(",")[0].split(":");
+               logger.finer("ison: " + parts[1]);
+               g.setStatus(parts[1]);
+               newList.add(g);
+            }
+          }
+          list = newList;
+        } else {        
+          list = fs.list(type);
+        }
+        if(type.equalsIgnoreCase(ST_ABLAGEORT)) {
+          list.add("Livestreams");
+        }
       } else {
         String type = elems[elems.length - 1];
         logger.fine(type);
@@ -102,7 +162,12 @@
   
   @Override
   public String get(HttpExchange e) {
-    return lesen(e);
+    try {
+      return lesen(e);
+    } catch (IOException | InterruptedException ex) {
+      Logger.getLogger(StorageHandler.class.getName()).log(Level.SEVERE, null, ex);
+      return ex.getLocalizedMessage();
+    }
   }
 
   @Override

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