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-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/IterableIterator.java39
1 files changed, 39 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/IterableIterator.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/IterableIterator.java
new file mode 100644
index 000000000..3af674526
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/IterableIterator.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * 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 org.sufficientlysecure.keychain.util;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+
+public class IterableIterator<T> implements Iterable<T> {
+ private Iterator<T> mIter;
+
+ public IterableIterator(Iterator<T> iter, boolean failsafe) {
+ mIter = iter;
+ if (failsafe && mIter == null) {
+ // is there a better way?
+ mIter = new ArrayList<T>().iterator();
+ }
+ }
+ public IterableIterator(Iterator<T> iter) {
+ this(iter, false);
+ }
+
+ public Iterator<T> iterator() {
+ return mIter;
+ }
+}