From 4afc26833f29c7d42374ad6bd0d9064ad92c2e2f Mon Sep 17 00:00:00 2001
From: Simon Barner <barner@fortiss.org>
Date: Fri, 1 Sep 2017 09:15:51 +0000
Subject: [PATCH] Add isDirectlyDerived(), a predicate whether a given {@code
type} is directly derived from a given {@code superType}, or whether the
{@code type} implements the {@code superType} interface. refs 2950
---
.../tooling/kernel/utils/JavaUtils.java | 26 ++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/JavaUtils.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/JavaUtils.java
index 8ed4945f0..650f89aca 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/JavaUtils.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/JavaUtils.java
@@ -28,7 +28,7 @@ import org.apache.commons.lang.WordUtils;
* @author doebber
* @author $Author$
* @version $Rev$
- * @ConQAT.Rating GREEN Hash: 0BCFE18A0C3A2F20A258EEB72B7AD343
+ * @ConQAT.Rating YELLOW Hash: 15E009EC41779E81E68F52D2958BC419
*/
public class JavaUtils {
@@ -87,4 +87,28 @@ public class JavaUtils {
return buffer.toString();
}
+
+ /**
+ * Predicate whether a given {@code type} is directly derived from a given {@code superType}, or
+ * whether the {@code type} implements the {@code superType} interface.
+ *
+ * @param type
+ * Type to for which to check if it is directly derived from the given
+ * {@code superType}.
+ * @param superType
+ * Super-type which should be tested for the given {@code type}.
+ *
+ * @return {@code true} iff a given {@code type} is directly derived from a given
+ * {@code superType}, or if the {@code type} implements the {@code superType} interface.
+ */
+ public static boolean isDirectlyDerived(Class<?> type, Class<?> superType) {
+ for(Class<?> iFace : type.getInterfaces()) {
+ if(iFace.equals(superType)) {
+ return true;
+ }
+ }
+
+ Class<?> typeSuperClass = type.getSuperclass();
+ return typeSuperClass != null && typeSuperClass.equals(superType);
+ }
}
--
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