Added transforming iterator

1 files changed, 23 insertions, 0 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/TransformedIterator.java b/BJC-Utils2/src/main/java/bjc/utils/data/TransformedIterator.java
new file mode 100644
index 0000000..848b6ac
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/data/TransformedIterator.java
@@ -0,0 +1,23 @@
+package bjc.utils.data;
+
+import java.util.Iterator;
+import java.util.function.Function;
+
+public class TransformedIterator<PreType, PostType> implements Iterator<PostType> {
+	private Iterator<PreType> source;
+
+	private Function<PreType, PostType> transform;
+
+	public TransformedIterator(Iterator<PreType> src, Function<PreType, PostType> trans) {
+		source = src;
+		trans  = transform;
+	}
+
+	public boolean hasNext() {
+		return source.hasNext();
+	}
+
+	public PostType next() {
+		return transform.apply(source.next());
+	}
+}