(causeway) branch v4 updated: CAUSEWAY-2297: adds CommonMimeType#valueOf(MimeType) (quality of life)

[ahuber]

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ahuber pushed a commit to branch v4
in repository https://gitbox.apache.org/repos/asf/causeway.git


The following commit(s) were added to refs/heads/v4 by this push:
     new 95015d24cae CAUSEWAY-2297: adds CommonMimeType#valueOf(MimeType) 
(quality of life)
95015d24cae is described below

commit 95015d24caebac4f2d012669f23d36168fa62436
Author: Andi Huber <ahu...@apache.org>
AuthorDate: Wed Aug 20 09:11:32 2025 +0200

    CAUSEWAY-2297: adds CommonMimeType#valueOf(MimeType) (quality of life)
---
 .../causeway/applib/value/NamedWithMimeType.java   | 34 ++++++++++++----------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git 
a/api/applib/src/main/java/org/apache/causeway/applib/value/NamedWithMimeType.java
 
b/api/applib/src/main/java/org/apache/causeway/applib/value/NamedWithMimeType.java
index 30429b7982e..08c6f713cb5 100644
--- 
a/api/applib/src/main/java/org/apache/causeway/applib/value/NamedWithMimeType.java
+++ 
b/api/applib/src/main/java/org/apache/causeway/applib/value/NamedWithMimeType.java
@@ -52,9 +52,7 @@ default int compareTo(final NamedWithMimeType o) {
                 o!=null
                     ? o.name()
                     : null);
-        if(c!=0) {
-            return c;
-        }
+        if(c!=0) return c;
 
         return _Strings.compareNullsFirst(
                 this.mimeType().getBaseType(),
@@ -212,13 +210,22 @@ public boolean matches(final MimeType otherMimeType) {
             return mimeType.match(otherMimeType);
         }
 
+        /**
+         * Tries to match mimeType with any {@link CommonMimeType}.
+         */
+        public static Optional<CommonMimeType> valueOf(final @Nullable 
MimeType mimeType) {
+            if(mimeType==null) return Optional.empty();
+            return Stream.of(CommonMimeType.values())
+                    .filter(mime->mime.matches(mimeType))
+                    .findFirst();
+        }
+
         /**
          * Tries to match fileExt with any {@link CommonMimeType}.
          */
         public static Optional<CommonMimeType> valueOfFileExtension(final 
@Nullable String fileExt) {
-            if(_Strings.isNullOrEmpty(fileExt)) {
-                return Optional.empty();
-            }
+            if(_Strings.isNullOrEmpty(fileExt)) return Optional.empty();
+
             var fileExtLower = fileExt.toLowerCase();
             return Stream.of(CommonMimeType.values())
                     
.filter(mime->mime.proposedFileExtensions().contains(fileExtLower))
@@ -229,17 +236,14 @@ public static Optional<CommonMimeType> 
valueOfFileExtension(final @Nullable Stri
          * Parses fileName for its extension and tries to match with any 
{@link CommonMimeType}.
          */
         public static Optional<CommonMimeType> valueOfFileName(final @Nullable 
String fileName) {
-            if(_Strings.isNullOrEmpty(fileName)) {
-                return Optional.empty();
-            }
+            if(_Strings.isNullOrEmpty(fileName)) return Optional.empty();
+
             final int p = fileName.lastIndexOf('.');
-            if(p<0) {
-                return Optional.empty();
-            }
+            if(p<0) return Optional.empty();
+
             final int beginIndex = p + 1;
-            if ((fileName.length() - beginIndex) < 0) {
-                return Optional.empty();
-            }
+            if ((fileName.length() - beginIndex) < 0) return Optional.empty();
+
             return valueOfFileExtension(fileName.substring(beginIndex));
         }