Implement WebStorage API methods

base/android/jni_array.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/android/jni_array.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 
 namespace base {
 namespace android {
 
 ScopedJavaLocalRef<jbyteArray> ToJavaByteArray(
     JNIEnv* env, const uint8* bytes, size_t len) {
   jbyteArray byte_array = env->NewByteArray(len);
   CheckException(env);
   DCHECK(byte_array);
 
   jbyte* elements = env->GetByteArrayElements(byte_array, NULL);
   memcpy(elements, bytes, len);
   env->ReleaseByteArrayElements(byte_array, elements, 0);
   CheckException(env);
 
   return ScopedJavaLocalRef<jbyteArray>(env, byte_array);
 }
 
+ScopedJavaLocalRef<jlongArray> ToJavaLongArray(
+    JNIEnv* env, const int64* longs, size_t len) {
+  jlongArray long_array = env->NewLongArray(len);
+  CheckException(env);
+  DCHECK(long_array);
+
+  jlong* elements = env->GetLongArrayElements(long_array, NULL);
+  memcpy(elements, longs, len * sizeof(*longs));
+  env->ReleaseLongArrayElements(long_array, elements, 0);
+  CheckException(env);
+
+  return ScopedJavaLocalRef<jlongArray>(env, long_array);
+}
+
+// Returns a new Java long array converted from the given int64 array.
+BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray(
+    JNIEnv* env, const std::vector<int64>& longs) {
+  return ToJavaLongArray(env, longs.begin(), longs.size());
+}
+
 ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray(
     JNIEnv* env, const std::vector<std::string>& v) {
   ScopedJavaLocalRef<jclass> byte_array_clazz = GetClass(env, "[B");
   jobjectArray joa = env->NewObjectArray(v.size(),
                                          byte_array_clazz.obj(), NULL);
   CheckException(env);
 
   for (size_t i = 0; i < v.size(); ++i) {
     ScopedJavaLocalRef<jbyteArray> byte_array = ToJavaByteArray(env,
         reinterpret_cast<const uint8*>(v[i].data()), v[i].length());
@@ skipping 106 matching lines @@
         env->GetObjectArrayElement(array, i));
     jsize bytes_len = env->GetArrayLength(bytes_array);
     jbyte* bytes = env->GetByteArrayElements(bytes_array, NULL);
     (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len);
     env->ReleaseByteArrayElements(bytes_array, bytes, JNI_ABORT);
   }
 }
 
 }  // namespace android
 }  // namespace base