From 0df0d8560e30bdd32d0f8982c1774fd141835086 Mon Sep 17 00:00:00 2001
From: Jim Procter <jprocter@issues.jalview.org>
Date: Wed, 22 May 2019 17:01:27 +0100
Subject: [PATCH] JAL-3274 import build properties and authors resources from
 JalviewJS site or classes directory, or jalview.jar as
 appropriate.

---
 src/jalview/bin/Cache.java |   39 +++++++++++++++++++++++++++++++--------
 1 file changed, 31 insertions(+), 8 deletions(-)

diff --git a/src/jalview/bin/Cache.java b/src/jalview/bin/Cache.java
index b6ff253..362fca8 100755
--- a/src/jalview/bin/Cache.java
+++ b/src/jalview/bin/Cache.java
@@ -396,10 +396,7 @@ public class Cache
     }
 
     // LOAD THE AUTHORS FROM THE authors.props file
-    String authorDetails = (Platform.isJS() ? null
-            : "jar:".concat(Cache.class.getProtectionDomain()
-                    .getCodeSource().getLocation().toString()
-                    .concat("!/authors.props")));
+    String authorDetails = resolveResourceURLFor("authors.props");
 
     try
     {
@@ -425,10 +422,8 @@ public class Cache
     // FIND THE VERSION NUMBER AND BUILD DATE FROM jalview.jar
     // MUST FOLLOW READING OF LOCAL PROPERTIES FILE AS THE
     // VERSION MAY HAVE CHANGED SINCE LAST USING JALVIEW
-    String buildDetails = (Platform.isJS() ? null
-            : "jar:".concat(Cache.class.getProtectionDomain()
-                    .getCodeSource().getLocation().toString()
-                    .concat("!/.build_properties")));
+    String buildDetails = resolveResourceURLFor("/.build_properties");
+
     if (buildDetails != null)
     {
       try
@@ -573,6 +568,34 @@ public class Cache
   }
 
 
+  /**
+   * construct a resource URL for the given absolute resource pathname
+   * 
+   * @param resourcePath
+   * @return
+   */
+  private static String resolveResourceURLFor(String resourcePath)
+  {
+    String url = null;
+    if (Platform.isJS() || !Cache.class.getProtectionDomain()
+            .getCodeSource().getLocation().toString().endsWith(".jar"))
+    {
+      try
+      {
+        url = Cache.class.getResource(resourcePath).toString();
+      } catch (Exception ex)
+      {
+
+      }
+    }
+    else
+    {
+      url = "jar:".concat(Cache.class.getProtectionDomain().getCodeSource()
+              .getLocation().toString().concat("!" + resourcePath));
+    }
+    return url;
+  }
+
   private static void deleteBuildProperties()
   {
     applicationProperties.remove("LATEST_VERSION");
-- 
1.7.10.2