Add hamcrest 1.1 library and integration source

Change-Id: I98691c987d5845c1d6e05325971517eec7e6f8b5

1 files changed, 45 insertions, 0 deletions

diff --git a/library/src/org/hamcrest/collection/IsIn.java b/library/src/org/hamcrest/collection/IsIn.java
new file mode 100644
index 0000000..0a7bbb5
--- /dev/null
+++ b/library/src/org/hamcrest/collection/IsIn.java
@@ -0,0 +1,45 @@
+package org.hamcrest.collection;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+import org.hamcrest.Factory;
+import org.hamcrest.Matcher;
+
+public class IsIn<T> extends BaseMatcher<T> {
+    private final Collection<T> collection;
+
+    public IsIn(Collection<T> collection) {
+        this.collection = collection;
+    }
+    
+    public IsIn(T[] elements) {
+        collection = Arrays.asList(elements);
+    }
+    
+    public boolean matches(Object o) {
+        return collection.contains(o);
+    }
+
+    public void describeTo(Description buffer) {
+        buffer.appendText("one of ");
+        buffer.appendValueList("{", ", ", "}", collection);
+    }
+    
+    @Factory
+    public static <T> Matcher<T> isIn(Collection<T> collection) {
+        return new IsIn<T>(collection);
+    }
+    
+    @Factory
+    public static <T> Matcher<T> isIn(T[] elements) {
+        return new IsIn<T>(elements);
+    }
+    
+    @Factory
+    public static <T> Matcher<T> isOneOf(T... elements) {
+        return isIn(elements);
+    }
+}