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// Copyright (c) 2011 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/android/scoped_java_ref.h"
#include "base/logging.h"
namespace base {
namespace android {
jbyteArray ToJavaByteArray(JNIEnv* env,
const unsigned char* bytes,
size_t len) {
jbyteArray byte_array = env->NewByteArray(len);
CheckException(env);
CHECK(byte_array);
jbyte* elements = env->GetByteArrayElements(byte_array, NULL);
memcpy(elements, bytes, len);
env->ReleaseByteArrayElements(byte_array, elements, 0);
CheckException(env);
return byte_array;
}
jobjectArray ToJavaArrayOfByteArray(JNIEnv* env,
const std::vector<std::string>& v) {
ScopedJavaLocalRef<jclass> byte_array_clazz(env, env->FindClass("[B"));
jobjectArray joa = env->NewObjectArray(v.size(),
byte_array_clazz.obj(), NULL);
CheckException(env);
for (size_t i = 0; i < v.size(); ++i) {
ScopedJavaLocalRef<jobject> byte_array(env, ToJavaByteArray(env,
reinterpret_cast<const uint8*>(v[i].data()), v[i].length()));
env->SetObjectArrayElement(joa, i, byte_array.obj());
}
return joa;
}
jobjectArray ToJavaArrayOfStrings(JNIEnv* env,
const std::vector<std::string>& v) {
ScopedJavaLocalRef<jclass> string_clazz(env,
env->FindClass("java/lang/String"));
jobjectArray joa = env->NewObjectArray(v.size(), string_clazz.obj(), NULL);
CheckException(env);
for (size_t i = 0; i < v.size(); ++i) {
ScopedJavaLocalRef<jstring> item(env,
ConvertUTF8ToJavaString(env, v[i]));
env->SetObjectArrayElement(joa, i, item.obj());
}
return joa;
}
} // namespace android
} // namespace base
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