fix(Release): listing the source files names for the license in release.

Signed-off-by: Rudra Chopra <[email protected]>

Author: rudra-superrr

backend/licenseinfo/src/main/java/org/eclipse/sw360/licenseinfo/LicenseInfoHandler.java

@@ -1062,6 +1062,40 @@ private LicenseInfoParsingResult getLicenseInfoForAttachment(Release release, At
             })).flatMap(Collection::stream).collect(Collectors.toList());
             filterEmptyLicenses(results);
 
+            // Merge duplicate licenses in licenseInfoResult by combining their sourceFiles
+            for (LicenseInfoParsingResult result : results) {
+                if (result.getLicenseInfo() != null && result.getLicenseInfo().getLicenseNamesWithTexts() != null) {
+                    Set<LicenseNameWithText> originalLicenses = result.getLicenseInfo().getLicenseNamesWithTexts();
+                    Map<String, LicenseNameWithText> mergedLicenses = new LinkedHashMap<>();
+
+                    for (LicenseNameWithText license : originalLicenses) {
+                        String licenseName = license.getLicenseName();
+                        if (mergedLicenses.containsKey(licenseName)) {
+                            // Merge sourceFiles from duplicate license into the first occurrence
+                            LicenseNameWithText existing = mergedLicenses.get(licenseName);
+                            if (existing.getSourceFiles() != null && license.getSourceFiles() != null) {
+                                // Extract the newline-separated strings from both sets
+                                String existingFiles = existing.getSourceFiles().iterator().next();
+                                String newFiles = license.getSourceFiles().iterator().next();
+                                // Combine them with newline separator
+                                String mergedFiles = existingFiles + "\n" + newFiles;
+                                // Create new set with the merged string
+                                Set<String> mergedSet = new HashSet<>();
+                                mergedSet.add(mergedFiles);
+                                existing.setSourceFiles(mergedSet);
+                            } else if (existing.getSourceFiles() == null && license.getSourceFiles() != null) {
+                                existing.setSourceFiles(license.getSourceFiles());
+                            }
+                        } else {
+                            mergedLicenses.put(licenseName, license);
+                        }
+                    }
+
+                    // Update the licenseNamesWithTexts with merged data
+                    result.getLicenseInfo().setLicenseNamesWithTexts(new HashSet<>(mergedLicenses.values()));
+                }
+            }
+
             results = assignReleaseToLicenseInfoParsingResults(results, release);
             results = assignComponentToLicenseInfoParsingResults(results, release, user);
             licenseInfoCacheForEvaluation.put(attachment.getAttachmentContentId(), results.get(0));

backend/licenseinfo/src/main/java/org/eclipse/sw360/licenseinfo/parsers/AbstractCLIParser.java

@@ -41,6 +41,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.*;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
 
@@ -161,7 +162,14 @@ protected LicenseNameWithText getLicenseNameWithTextFromLicenseNode(Node node) {
         Set<String> files = new HashSet<String>();
         String sourceFiles = findNamedSubelement(node, SOURCE_FILES_ELEMENT_NAME).map(AbstractCLIParser::normalizeEscapedXhtml).orElse(null);
         if (CommonUtils.isNotNullEmptyOrWhitespace(sourceFiles)) {
-            files.addAll(Arrays.asList(sourceFiles.split(" ")));
+            // Parse comma-separated files and join them with newlines, store as single entry
+            String joinedFiles = Arrays.stream(sourceFiles.split(","))
+                    .map(String::trim)
+                    .filter(s -> !s.isEmpty())
+                    .collect(Collectors.joining("\n"));
+            if (!joinedFiles.isEmpty()) {
+                files.add(joinedFiles);
+            }
         }
         return new LicenseNameWithText()
                 .setLicenseText(findNamedSubelement(node, LICENSE_CONTENT_ELEMENT_NAME)