diff --git a/drm/drmserver/StringTokenizer.cpp b/drm/drmserver/StringTokenizer.cpp
new file mode 100644
index 0000000..367c9bd
--- /dev/null
+++ b/drm/drmserver/StringTokenizer.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#include "StringTokenizer.h"
+
+using namespace android;
+
+StringTokenizer::StringTokenizer(const String8& string, const String8& delimiter) {
+    splitString(string, delimiter);
+}
+
+void StringTokenizer::splitString(const String8& string, const String8& delimiter) {
+    for (unsigned int i = 0; i < string.length(); i++) {
+        unsigned int position = string.find(delimiter.string(), i);
+        if (string.length() != position) {
+            String8 token(string.string()+i, position-i);
+            if (token.length()) {
+                mStringTokenizerVector.push(token);
+                i = position + delimiter.length() - 1;
+            }
+        } else {
+            mStringTokenizerVector.push(String8(string.string()+i, string.length()-i));
+            break;
+        }
+    }
+}
+
+StringTokenizer::Iterator StringTokenizer::iterator() {
+    return Iterator(this);
+}
+
+StringTokenizer::Iterator::Iterator(const StringTokenizer::Iterator& iterator) :
+    mStringTokenizer(iterator.mStringTokenizer),
+    mIndex(iterator.mIndex) {
+    LOGV("StringTokenizer::Iterator::Iterator");
+}
+
+StringTokenizer::Iterator& StringTokenizer::Iterator::operator=(
+            const StringTokenizer::Iterator& iterator) {
+    LOGV("StringTokenizer::Iterator::operator=");
+    mStringTokenizer = iterator.mStringTokenizer;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool StringTokenizer::Iterator::hasNext() {
+    return mIndex < mStringTokenizer->mStringTokenizerVector.size();
+}
+
+String8& StringTokenizer::Iterator::next() {
+    String8& value = mStringTokenizer->mStringTokenizerVector.editItemAt(mIndex);
+    mIndex++;
+    return value;
+}
+