diff --git a/drm/common/DrmMetadata.cpp b/drm/common/DrmMetadata.cpp
new file mode 100644
index 0000000..6cc5ec1
--- /dev/null
+++ b/drm/common/DrmMetadata.cpp
@@ -0,0 +1,117 @@
+/*
+ * 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 <drm/DrmMetadata.h>
+
+using namespace android;
+
+int DrmMetadata::getCount(void) const {
+	return mMetadataMap.size();
+}
+
+status_t DrmMetadata::put(const String8* key,
+                          const char* value) {
+    if((value != NULL) && (key != NULL)) {
+        int length = strlen(value);
+        char* charValue = new char[length + 1];
+
+        memcpy(charValue, value, length);
+        charValue[length] = '\0';
+        mMetadataMap.add(*key, charValue);
+    }
+    return NO_ERROR;
+}
+
+String8 DrmMetadata::get(const String8& key) const {
+    if (NULL != getValue(&key)) {
+        return String8(getValue(&key));
+    }
+    else {
+        return String8("");
+    }
+}
+
+const char* DrmMetadata::getValue(const String8* key) const {
+    if(key != NULL) {
+        if (NAME_NOT_FOUND != mMetadataMap.indexOfKey(*key)) {
+            return mMetadataMap.valueFor(*key);
+        }
+        else {
+            return NULL;
+        }
+    } else {
+        return NULL;
+    }
+}
+
+const char* DrmMetadata::getAsByteArray(const String8* key) const {
+    return getValue(key);
+}
+
+bool DrmMetadata::KeyIterator::hasNext() {
+    return mIndex < mDrmMetadata->mMetadataMap.size();
+}
+
+const String8& DrmMetadata::KeyIterator::next() {
+    const String8& key = mDrmMetadata->mMetadataMap.keyAt(mIndex);
+    mIndex++;
+    return key;
+}
+
+DrmMetadata::KeyIterator DrmMetadata::keyIterator() {
+    return KeyIterator(this);
+}
+
+DrmMetadata::KeyIterator::KeyIterator(const DrmMetadata::KeyIterator& keyIterator) :
+    mDrmMetadata(keyIterator.mDrmMetadata),
+    mIndex(keyIterator.mIndex) {
+    LOGV("DrmMetadata::KeyIterator::KeyIterator");
+}
+
+DrmMetadata::KeyIterator& DrmMetadata::KeyIterator::operator=(const DrmMetadata::KeyIterator& keyIterator) {
+    LOGV("DrmMetadata::KeyIterator::operator=");
+    mDrmMetadata = keyIterator.mDrmMetadata;
+    mIndex = keyIterator.mIndex;
+    return *this;
+}
+
+
+DrmMetadata::Iterator DrmMetadata::iterator() {
+    return Iterator(this);
+}
+
+DrmMetadata::Iterator::Iterator(const DrmMetadata::Iterator& iterator) :
+    mDrmMetadata(iterator.mDrmMetadata),
+    mIndex(iterator.mIndex) {
+    LOGV("DrmMetadata::Iterator::Iterator");
+}
+
+DrmMetadata::Iterator& DrmMetadata::Iterator::operator=(const DrmMetadata::Iterator& iterator) {
+    LOGV("DrmMetadata::Iterator::operator=");
+    mDrmMetadata = iterator.mDrmMetadata;
+    mIndex = iterator.mIndex;
+    return *this;
+}
+
+bool DrmMetadata::Iterator::hasNext() {
+    return mIndex < mDrmMetadata->mMetadataMap.size();
+}
+
+String8 DrmMetadata::Iterator::next() {
+    String8 value = String8(mDrmMetadata->mMetadataMap.editValueAt(mIndex));
+    mIndex++;
+    return value;
+}