From 6efc3d0aaa31b250c9dfef04ece02f7d6c1d782b Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 11 Nov 2016 15:26:04 +0300
Subject: xmpp-ft: detect tomcat and add user factory for juick urls if present

---
 .../main/java/com/juick/components/XMPPFTServer.java   | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java b/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
index 4a85b046..05f2b465 100644
--- a/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
+++ b/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
@@ -16,6 +16,8 @@ import rocks.xmpp.extensions.filetransfer.FileTransferManager;
 import rocks.xmpp.extensions.oob.model.x.OobX;
 
 import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.net.*;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -30,7 +32,21 @@ public class XMPPFTServer {
     private static final Logger logger = LoggerFactory.getLogger(XMPPFTServer.class);
 
     public XMPPFTServer(Environment env) {
-        URL.setURLStreamHandlerFactory(new JuickURLStreamHandlerFactory());
+        try {
+            Class tomcathfc = Class.forName("org.apache.catalina.webresources.TomcatURLStreamHandlerFactory");
+            if (tomcathfc != null) {
+                try {
+                    Method m = tomcathfc.getMethod("getInstance");
+                    Object tomcathfo = m.invoke(null);
+                    m = tomcathfo.getClass().getMethod("addUserFactory", URLStreamHandlerFactory.class);
+                    m.invoke(tomcathfo, new JuickURLStreamHandlerFactory());
+                } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+                    logger.error("init error", e);
+                }
+            }
+        } catch (ClassNotFoundException e) {
+            URL.setURLStreamHandlerFactory(new JuickURLStreamHandlerFactory());
+        }
         ExternalComponent component = ExternalComponent.create(env.getProperty("component_name", "files"),
                 env.getProperty("component_password", "secret"), env.getProperty("component_host", "localhost"),
                 NumberUtils.toInt(env.getProperty("component_port", "5347"), 5347));
-- 
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