ZipInputStream implements Iterable

Author: mkarg

src/java.base/share/classes/java/util/zip/ZipInputStream.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 import java.io.OutputStream;
 import java.io.PushbackInputStream;
 import java.nio.charset.Charset;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
 import java.util.Objects;
 
 import sun.nio.cs.UTF_8;
@@ -75,7 +77,7 @@
  * @author      David Connelly
  * @since 1.1
  */
-public class ZipInputStream extends InflaterInputStream implements ZipConstants {
+public class ZipInputStream extends InflaterInputStream implements ZipConstants, Iterable {
     private ZipEntry entry;
     private int flag;
     private CRC32 crc = new CRC32();
@@ -488,6 +490,25 @@ public void close() throws IOException {
         }
     }
 
+    public Iterator<ZipEntry> iterator() {
+        return new Iterator<ZipEntry>() {
+            private ZipEntry nextEntry;
+
+            public boolean hasNext() {
+                if (nextEntry == null)
+                    nextEntry = getNextEntry();
+                return nextEntry != null;
+            }
+
+            public ZipEntry next() {
+                if (!hasNext())
+                    throw new NoSuchElementException();
+
+                return currentEntry;
+            }
+        }
+    }
+
     private byte[] b = new byte[256];
 
     /*