exceptionfactory commented on code in PR #10679:
URL: https://github.com/apache/nifi/pull/10679#discussion_r2641377846


##########
nifi-frontend/src/main/frontend/apps/standard-content-viewer/src/app/pages/standard-content-viewer/feature/standard-content-viewer.component.ts:
##########
@@ -198,7 +198,20 @@ export class StandardContentViewer {
                         this.error = null;
                         this.contentLoaded = true;
 
-                        this.contentFormGroup.get('value')?.setValue(content);
+                        // For XML, clean up formatting for display
+                        let processedContent = content;
+                        if (this.mimeTypeDisplayName === 'xml') {
+                            // Add newline after XML declaration if missing 
(<?xml ...?><root> -> <?xml ...?>\n<root>)
+                            processedContent = 
processedContent.replace(/\?></g, '?>\n<');

Review Comment:
   Is this still needed?



##########
nifi-commons/nifi-xml-processing/src/main/java/org/apache/nifi/xml/processing/transform/StandardTransformProvider.java:
##########
@@ -91,6 +91,7 @@ public void transform(final Source source, final Result 
result) {
             transformerFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, 
ProcessingAttribute.ACCESS_EXTERNAL_DTD.getValue());
             
transformerFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, 
ProcessingAttribute.ACCESS_EXTERNAL_STYLESHEET.getValue());
             
transformerFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, 
SECURE_PROCESSING_ENABLED);
+

Review Comment:
   This newline can be reverted.



##########
nifi-extension-bundles/nifi-standard-bundle/nifi-standard-content-viewer/src/main/java/org/apache/nifi/web/controller/StandardContentViewerController.java:
##########
@@ -112,8 +112,6 @@ public void doGet(final HttpServletRequest request, final 
HttpServletResponse re
 
                     final StandardTransformProvider transformProvider = new 
StandardTransformProvider();
                     transformProvider.setIndent(true);
-                    transformProvider.setOmitXmlDeclaration(true);
-

Review Comment:
   It seems like this change can be reverted.



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