some helpers

solita · Apr 2, 2024 · 42e815a · 42e815a
1 parent 59b4ceb
commit 42e815a
Show file tree

Hide file tree

Showing 2 changed files with 16 additions and 3 deletions.
diff --git a/pom.xml b/pom.xml
@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>fi.solita.utils</groupId>
     <artifactId>meta-utils</artifactId>
-    <version>0.12.32</version>
+    <version>0.12.33</version>
     <build>
         <resources>
             <resource>

diff --git a/src/main/java/fi/solita/utils/meta/Helpers.java b/src/main/java/fi/solita/utils/meta/Helpers.java
@@ -7,9 +7,9 @@
 import static fi.solita.utils.functional.Functional.concat;
 import static fi.solita.utils.functional.Functional.exists;
 import static fi.solita.utils.functional.Functional.filter;
+import static fi.solita.utils.functional.Functional.flatMap;
 import static fi.solita.utils.functional.Functional.head;
 import static fi.solita.utils.functional.Functional.map;
-import static fi.solita.utils.functional.Functional.flatMap;
 import static fi.solita.utils.functional.Functional.reduce;
 import static fi.solita.utils.functional.Functional.zip;
 import static fi.solita.utils.functional.FunctionalC.reverse;
@@ -97,6 +97,10 @@ public static final String containedType(Element e) {
         return containedType(type);
     }
 
+    public static final String containedType(TypeMirror t) {
+        return containedType(typeMirror2GenericQualifiedName.apply(t));
+    }
+
     public static final String containedType(String type) {
         // FIXME: fancier way to do this?
         return type.substring(type.indexOf('<')+1, type.lastIndexOf('>'));
@@ -483,7 +487,7 @@ public boolean accept(Element candidate) {
             return candidate.getModifiers().contains(Modifier.STATIC);
         }
     };
-
+    
     public static final boolean isPrivate(Element e) {
         return e.getModifiers().contains(Modifier.PRIVATE);
     }
@@ -545,6 +549,15 @@ public final boolean isSameType(TypeMirror type, Class<?> other) {
         public final boolean throwsCheckedExceptions(ExecutableElement e) {
             return exists(not(uncheckedExceptions), e.getThrownTypes());
         }
+
+        public final Iterable<? extends TypeMirror> ancestorsInheriting(TypeMirror type, final Class<?> clazz) {
+            return filter(new Predicate<TypeMirror>() {
+                @Override
+                public boolean accept(TypeMirror candidate) {
+                    return isSubtype(candidate, clazz);
+                }
+            }, typeUtils.directSupertypes(type));
+        }
     }
 
     public static final Transformer<Long,Long> nanosToMillis = new Transformer<Long,Long>() {