Moved source to match upstream file structure

Will make it simpler to update JUnit source.

Bug: 33613916
Test: make checkbuild
Change-Id: I76984a6defd3e40f34eea995e6ed865d32d53da3

1 files changed, 28 insertions, 0 deletions

diff --git a/src/main/java/org/junit/internal/matchers/SubstringMatcher.java b/src/main/java/org/junit/internal/matchers/SubstringMatcher.java
new file mode 100644
index 0000000..1c65240
--- /dev/null
+++ b/src/main/java/org/junit/internal/matchers/SubstringMatcher.java
@@ -0,0 +1,28 @@
+package org.junit.internal.matchers;
+
+import org.hamcrest.Description;
+
+public abstract class SubstringMatcher extends TypeSafeMatcher<String> {
+
+    protected final String substring;
+
+    protected SubstringMatcher(final String substring) {
+        this.substring = substring;
+    }
+
+    @Override
+	public boolean matchesSafely(String item) {
+        return evalSubstringOf(item);
+    }
+
+    public void describeTo(Description description) {
+        description.appendText("a string ")
+                .appendText(relationship())
+                .appendText(" ")
+                .appendValue(substring);
+    }
+
+    protected abstract boolean evalSubstringOf(String string);
+
+    protected abstract String relationship();
+}
\ No newline at end of file