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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/android/jni_array.h" | 5 #include "base/android/jni_array.h" |
6 | 6 |
7 #include "base/android/jni_android.h" | 7 #include "base/android/jni_android.h" |
8 #include "base/android/jni_string.h" | 8 #include "base/android/jni_string.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 | 10 |
11 namespace base { | 11 namespace base { |
12 namespace android { | 12 namespace android { |
13 | 13 |
14 ScopedJavaLocalRef<jbyteArray> ToJavaByteArray( | 14 ScopedJavaLocalRef<jbyteArray> ToJavaByteArray( |
15 JNIEnv* env, const uint8* bytes, size_t len) { | 15 JNIEnv* env, const uint8* bytes, size_t len) { |
16 jbyteArray byte_array = env->NewByteArray(len); | 16 jbyteArray byte_array = env->NewByteArray(len); |
17 CheckException(env); | 17 CheckException(env); |
18 DCHECK(byte_array); | 18 DCHECK(byte_array); |
19 | 19 |
20 jbyte* elements = env->GetByteArrayElements(byte_array, NULL); | 20 jbyte* elements = env->GetByteArrayElements(byte_array, NULL); |
21 memcpy(elements, bytes, len); | 21 memcpy(elements, bytes, len); |
22 env->ReleaseByteArrayElements(byte_array, elements, 0); | 22 env->ReleaseByteArrayElements(byte_array, elements, 0); |
23 CheckException(env); | 23 CheckException(env); |
24 | 24 |
25 return ScopedJavaLocalRef<jbyteArray>(env, byte_array); | 25 return ScopedJavaLocalRef<jbyteArray>(env, byte_array); |
26 } | 26 } |
27 | 27 |
| 28 ScopedJavaLocalRef<jintArray> ToJavaIntArray( |
| 29 JNIEnv* env, const int* ints, size_t len) { |
| 30 jintArray int_array = env->NewIntArray(len); |
| 31 CheckException(env); |
| 32 DCHECK(int_array); |
| 33 |
| 34 jint* elements = env->GetIntArrayElements(int_array, NULL); |
| 35 memcpy(elements, ints, len * sizeof(*ints)); |
| 36 env->ReleaseIntArrayElements(int_array, elements, 0); |
| 37 CheckException(env); |
| 38 |
| 39 return ScopedJavaLocalRef<jintArray>(env, int_array); |
| 40 } |
| 41 |
| 42 ScopedJavaLocalRef<jintArray> ToJavaIntArray( |
| 43 JNIEnv* env, const std::vector<int>& ints) { |
| 44 return ToJavaIntArray(env, ints.begin(), ints.size()); |
| 45 } |
| 46 |
28 ScopedJavaLocalRef<jlongArray> ToJavaLongArray( | 47 ScopedJavaLocalRef<jlongArray> ToJavaLongArray( |
29 JNIEnv* env, const int64* longs, size_t len) { | 48 JNIEnv* env, const int64* longs, size_t len) { |
30 jlongArray long_array = env->NewLongArray(len); | 49 jlongArray long_array = env->NewLongArray(len); |
31 CheckException(env); | 50 CheckException(env); |
32 DCHECK(long_array); | 51 DCHECK(long_array); |
33 | 52 |
34 jlong* elements = env->GetLongArrayElements(long_array, NULL); | 53 jlong* elements = env->GetLongArrayElements(long_array, NULL); |
35 memcpy(elements, longs, len * sizeof(*longs)); | 54 memcpy(elements, longs, len * sizeof(*longs)); |
36 env->ReleaseLongArrayElements(long_array, elements, 0); | 55 env->ReleaseLongArrayElements(long_array, elements, 0); |
37 CheckException(env); | 56 CheckException(env); |
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177 env->GetObjectArrayElement(array, i)); | 196 env->GetObjectArrayElement(array, i)); |
178 jsize bytes_len = env->GetArrayLength(bytes_array); | 197 jsize bytes_len = env->GetArrayLength(bytes_array); |
179 jbyte* bytes = env->GetByteArrayElements(bytes_array, NULL); | 198 jbyte* bytes = env->GetByteArrayElements(bytes_array, NULL); |
180 (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len); | 199 (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len); |
181 env->ReleaseByteArrayElements(bytes_array, bytes, JNI_ABORT); | 200 env->ReleaseByteArrayElements(bytes_array, bytes, JNI_ABORT); |
182 } | 201 } |
183 } | 202 } |
184 | 203 |
185 } // namespace android | 204 } // namespace android |
186 } // namespace base | 205 } // namespace base |
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