1 files changed, 21 insertions, 0 deletions
diff --git a/hamcrest-core/src/main/java/org/hamcrest/DiagnosingMatcher.java b/hamcrest-core/src/main/java/org/hamcrest/DiagnosingMatcher.java
new file mode 100644
index 0000000..f87de2d
--- /dev/null
+++ b/hamcrest-core/src/main/java/org/hamcrest/DiagnosingMatcher.java
@@ -0,0 +1,21 @@
+package org.hamcrest;
+
+/**
+ * TODO(ngd): Document.
+ *
+ * @param <T>
+ */
+public abstract class DiagnosingMatcher<T> extends BaseMatcher<T> {
+
+    @Override
+    public final boolean matches(Object item) {
+        return matches(item, Description.NONE);
+    }
+
+    @Override
+    public final void describeMismatch(Object item, Description mismatchDescription) {
+        matches(item, mismatchDescription);
+    }
+
+    protected abstract boolean matches(Object item, Description mismatchDescription);
+}