From: phasefx <phasefx@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Date: Wed, 7 Nov 2007 14:43:39 +0000 (+0000)
Subject: some error handling
X-Git-Url: https://old-git.evergreen-ils.org/?a=commitdiff_plain;h=d5242e153012aa8e4b522f33cb875144f2b35c20;p=Evergreen.git

some error handling

git-svn-id: svn://svn.open-ils.org/ILS/trunk@8029 dcc99617-32d9-48b4-a31d-7c20da2025e4
---

diff --git a/Open-ILS/xul/staff_client/server/cat/marc_view.html b/Open-ILS/xul/staff_client/server/cat/marc_view.html
index d19e30156b..23811b8d31 100644
--- a/Open-ILS/xul/staff_client/server/cat/marc_view.html
+++ b/Open-ILS/xul/staff_client/server/cat/marc_view.html
@@ -10,27 +10,41 @@
 	var xsltProcessor;
 
 	function xsl_marc2html_init() {
-		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-		xsltProcessor = new XSLTProcessor();
-		var req = new XMLHttpRequest();
-		req.open("GET", urls.xsl_marc2html, false);
-		req.send(null);
-		var xsl = req.responseXML;
-		xsltProcessor.importStylesheet(xsl);
+        try {
+    		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
+    		xsltProcessor = new XSLTProcessor();
+    		var req = new XMLHttpRequest();
+    		req.open("GET", urls.xsl_marc2html, false);
+    		req.send(null);
+            if (req.status != 200) {
+                alert('We were unable to load ' + urls.xsl_marc2html + ' and thus cannot display the MARC here.\nReason: ' + req.statusText);
+                return false;
+            }
+    		var xsl = req.responseXML;
+    		xsltProcessor.importStylesheet(xsl);
+            return true;
+        } catch(E) {
+            alert('An error occured and we are unable to display the MARC here.\nError in xsl_marc2html_init: ' + E);
+            return false;
+        }
 	}
 
 	function apply_xsl_marc2html(marc) {
-		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
-		var obj = this;
-		var parser = new DOMParser();
-		var doc = parser.parseFromString( marc, 'text/xml' );
-		var node = doc.documentElement;
-		var fragment = xsltProcessor.transformToFragment(node, document);
-		document.body.appendChild(fragment);
+        try {
+    		netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
+            var obj = this;
+            var parser = new DOMParser();
+            var doc = parser.parseFromString( marc, 'text/xml' );
+            var node = doc.documentElement;
+            var fragment = xsltProcessor.transformToFragment(node, document);
+            document.body.appendChild(fragment);
+        } catch(E) {
+            alert('An error occured and we are unable to display the MARC here.\nError in apply_xsl_marc2html: ' + E);
+        }
 	}
 
 	function my_init() {
-		xsl_marc2html_init();
+		if (!xsl_marc2html_init()) return;
 		document.body.innerHTML = "<button onclick='window.print()'>Print Page</button>";
 		if (typeof xulG != 'undefined' && xulG.marcxml) apply_xsl_marc2html(xulG.marcxml);
 		document.body.firstChild.focus();