From 35bdb37a8f2f7ee736af293d7463c4b3f99604d6 Mon Sep 17 00:00:00 2001
From: Stephan Richter <github@keawe.de>
Date: Thu, 17 Jun 2021 11:11:05 +0200
Subject: [PATCH] improved inflate method for POST params

---
 pom.xml                                       |  2 +-
 .../de/srsoftware/web4rail/Application.java   | 23 ++++++++++++++++---
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/pom.xml b/pom.xml
index 300759b..aa3e436 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>1.4.37</version>
+	<version>1.4.38</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>
diff --git a/src/main/java/de/srsoftware/web4rail/Application.java b/src/main/java/de/srsoftware/web4rail/Application.java
index 41fc6d9..a6c1cc9 100644
--- a/src/main/java/de/srsoftware/web4rail/Application.java
+++ b/src/main/java/de/srsoftware/web4rail/Application.java
@@ -154,12 +154,29 @@ public class Application extends BaseClass{
 	private static Params inflate(String data) {
 		//LOG.debug("inflate({})",data);
 		Params params = new Params();
-		if (data == null || data.trim().isEmpty()) return params;
+		if (isNull(data) || data.trim().isEmpty()) return params;
 		String[] parts = data.split("&");
 		
 		for (String part : parts) {
-			String[] entry = part.split("=", 2);
-			params.put(URLDecoder.decode(entry[0],UTF8),URLDecoder.decode(entry[1], UTF8));
+			String[] map = part.split("=", 2);
+			String key = URLDecoder.decode(map[0],UTF8);
+			String value = URLDecoder.decode(map[1], UTF8);
+			
+			Params level = params;
+			while (key.contains("/")) { // root/path/entry=value mappen zu params[root][path][entry]=value
+				String[] path = key.split("/", 2);
+				key = path[0];
+				Object entry = level.get(key);
+				if (entry instanceof Params) {
+					level = (Params) entry;
+				} else {
+					Params dummy = new Params();
+					level.put(key, dummy);
+					level = dummy;					
+				}
+				key = path[1];
+			}
+			level.put(key,value);
 		}
 		
 		return params;