From 658c148be4541e5a7c836de0bd0ee256fee1ad29 Mon Sep 17 00:00:00 2001
From: ulrich
Date: Sun, 11 Apr 2021 18:04:52 +0000
Subject: [PATCH] URL absielen (unfertig, kompiliert nicht)

---
 src/de/uhilger/mediaz/api/ListFileHandler.java |   55 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/src/de/uhilger/mediaz/api/ListFileHandler.java b/src/de/uhilger/mediaz/api/ListFileHandler.java
index 3b01afe..e31d016 100644
--- a/src/de/uhilger/mediaz/api/ListFileHandler.java
+++ b/src/de/uhilger/mediaz/api/ListFileHandler.java
@@ -17,6 +17,7 @@
  */
 package de.uhilger.mediaz.api;
 
+import com.sun.net.httpserver.Headers;
 import com.sun.net.httpserver.HttpExchange;
 import de.uhilger.mediaz.App;
 import de.uhilger.mediaz.Server;
@@ -27,11 +28,15 @@
 import de.uhilger.mediaz.store.StorageFile;
 import de.uhilger.mediaz.store.Track;
 import java.io.File;
+import java.io.FileFilter;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -44,19 +49,22 @@
   /* Der Logger fuer diesen ListFileHandler */
   private static final Logger logger = Logger.getLogger(ListFileHandler.class.getName());
   
+  private static final String[] specialChars = {new String("\u00c4"), new String("\u00d6"), 
+      new String("\u00dc"), new String("\u00e4"), new String("\u00f6"), new String("\u00fc"), new String("\u00df")};
+  
   Map extMap = new HashMap();
   
   public ListFileHandler(String absoluteDirectoryPathAndName) {
     super(absoluteDirectoryPathAndName);
     /*
-      Nachfolgend hart codiert die Ermittlung von Dateifiltern. 
+      Ermittlung von Dateifiltern. 
       Sie werden erwartet in den Einstellungen 'audioexts' und 'videoexts'
       jeweils als Dateierweiterungen mit Komma getrennt
       z.B. "mp4,m4v"
     */
     FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
-    initMap(fs, "audioexts", StorageFile.TYP_AUDIO);
-    initMap(fs, "videoexts", StorageFile.TYP_VIDEO);
+    initMap(fs, App.getRs(App.RB_AUDIOEXTS), StorageFile.TYP_AUDIO);
+    initMap(fs, App.getRs(App.RB_VIDEOEXTS), StorageFile.TYP_VIDEO);
   }
 
   private void initMap(Storage s, String key, String typ) {
@@ -73,12 +81,22 @@
   public void handle(HttpExchange e) throws IOException {
     String path = e.getRequestURI().toString();
     logger.fine(path);
-    if(path.endsWith(App.getRs(Server.RB_SLASH))) {
+    if(path.endsWith(Server.SLASH)) {
       String fName = getFileName(e);
       logger.fine(fName);
       File dir = new File(fileBase, fName);
       logger.fine(dir.getAbsolutePath());
-      File[] files = dir.listFiles();
+      File[] files = dir.listFiles(new FileFilter() {
+        @Override
+        public boolean accept(File pathname) {
+          Set keys = extMap.keySet();
+          String fname = pathname.getName();
+          int pos = fname.lastIndexOf(".");
+          String ext = fname.substring(pos+1);          
+          return keys.contains(ext) || pathname.isDirectory();
+        }
+      });
+      Arrays.sort(files);      
       ArrayList list = new ArrayList();
       if(files != null) {
         for(File file : files) {
@@ -103,8 +121,12 @@
           list.add(sf);
         }
       }
-      String json = jsonWithCustomType(list, "Medialiste");
+      //Collections.sort(list);
+      String json = escapeHtml(jsonWithCustomType(list, "Medialiste"));
+      
       logger.fine(json);
+      Headers headers = e.getResponseHeaders();
+      headers.add("Content-Type", "application/json; charset=UTF-8");
       e.sendResponseHeaders(200, json.length());
       OutputStream os = e.getResponseBody();
       os.write(json.getBytes());
@@ -114,6 +136,27 @@
     }
   }
   
+  public String escapeHtml(String text) {
+    text = text.replace(specialChars[0], "Ae");
+    text = text.replace(specialChars[1], "Oe");
+    text = text.replace(specialChars[2], "Ue");
+    text = text.replace(specialChars[3], "ae");
+    text = text.replace(specialChars[4], "oe");
+    text = text.replace(specialChars[5], "ue");
+    text = text.replace(specialChars[6], "ss");
+    
+    /*
+    text = text.replace(specialChars[0], "Ä");
+    text = text.replace(specialChars[1], "Ö");
+    text = text.replace(specialChars[2], "Ü");
+    text = text.replace(specialChars[3], "ä");
+    text = text.replace(specialChars[4], "ö");
+    text = text.replace(specialChars[5], "ü");
+    text = text.replace(specialChars[6], "ß");
+    */
+    return text;
+  }
+  
   private void getTrack(File file, StorageFile sf) {
     if(sf.getTyp().equalsIgnoreCase(StorageFile.TYP_AUDIO)) {
       Track track = new Track(file);

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