1 files changed, 50 insertions, 0 deletions
diff --git a/jimfs/src/main/java/com/google/common/jimfs/DowngradedDirectoryStream.java b/jimfs/src/main/java/com/google/common/jimfs/DowngradedDirectoryStream.java
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+++ b/jimfs/src/main/java/com/google/common/jimfs/DowngradedDirectoryStream.java
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+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.common.jimfs;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Path;
+import java.nio.file.SecureDirectoryStream;
+import java.util.Iterator;
+
+/**
+ * A thin wrapper around a {@link SecureDirectoryStream} that exists only to implement {@link
+ * DirectoryStream} and NOT implement {@link SecureDirectoryStream}.
+ *
+ * @author Colin Decker
+ */
+final class DowngradedDirectoryStream implements DirectoryStream<Path> {
+
+  private final SecureDirectoryStream<Path> secureDirectoryStream;
+
+  DowngradedDirectoryStream(SecureDirectoryStream<Path> secureDirectoryStream) {
+    this.secureDirectoryStream = checkNotNull(secureDirectoryStream);
+  }
+
+  @Override
+  public Iterator<Path> iterator() {
+    return secureDirectoryStream.iterator();
+  }
+
+  @Override
+  public void close() throws IOException {
+    secureDirectoryStream.close();
+  }
+}