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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 |
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68 | 68 |
69 return ScopedJavaLocalRef<jlongArray>(env, long_array); | 69 return ScopedJavaLocalRef<jlongArray>(env, long_array); |
70 } | 70 } |
71 | 71 |
72 // Returns a new Java long array converted from the given int64 array. | 72 // Returns a new Java long array converted from the given int64 array. |
73 BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray( | 73 BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray( |
74 JNIEnv* env, const std::vector<int64>& longs) { | 74 JNIEnv* env, const std::vector<int64>& longs) { |
75 return ToJavaLongArray(env, longs.begin(), longs.size()); | 75 return ToJavaLongArray(env, longs.begin(), longs.size()); |
76 } | 76 } |
77 | 77 |
| 78 // Returns a new Java long array converted from the given int64 array. |
| 79 BASE_EXPORT ScopedJavaLocalRef<jfloatArray> ToJavaFloatArray( |
| 80 JNIEnv* env, const float* floats, size_t len) { |
| 81 jfloatArray float_array = env->NewFloatArray(len); |
| 82 CheckException(env); |
| 83 DCHECK(float_array); |
| 84 |
| 85 env->SetFloatArrayRegion( |
| 86 float_array, 0, len, reinterpret_cast<const jfloat*>(floats)); |
| 87 CheckException(env); |
| 88 |
| 89 return ScopedJavaLocalRef<jfloatArray>(env, float_array); |
| 90 } |
| 91 |
78 ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray( | 92 ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray( |
79 JNIEnv* env, const std::vector<std::string>& v) { | 93 JNIEnv* env, const std::vector<std::string>& v) { |
80 ScopedJavaLocalRef<jclass> byte_array_clazz = GetClass(env, "[B"); | 94 ScopedJavaLocalRef<jclass> byte_array_clazz = GetClass(env, "[B"); |
81 jobjectArray joa = env->NewObjectArray(v.size(), | 95 jobjectArray joa = env->NewObjectArray(v.size(), |
82 byte_array_clazz.obj(), NULL); | 96 byte_array_clazz.obj(), NULL); |
83 CheckException(env); | 97 CheckException(env); |
84 | 98 |
85 for (size_t i = 0; i < v.size(); ++i) { | 99 for (size_t i = 0; i < v.size(); ++i) { |
86 ScopedJavaLocalRef<jbyteArray> byte_array = ToJavaByteArray(env, | 100 ScopedJavaLocalRef<jbyteArray> byte_array = ToJavaByteArray(env, |
87 reinterpret_cast<const uint8*>(v[i].data()), v[i].length()); | 101 reinterpret_cast<const uint8*>(v[i].data()), v[i].length()); |
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220 env->GetObjectArrayElement(array, i))); | 234 env->GetObjectArrayElement(array, i))); |
221 jsize bytes_len = env->GetArrayLength(bytes_array.obj()); | 235 jsize bytes_len = env->GetArrayLength(bytes_array.obj()); |
222 jbyte* bytes = env->GetByteArrayElements(bytes_array.obj(), NULL); | 236 jbyte* bytes = env->GetByteArrayElements(bytes_array.obj(), NULL); |
223 (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len); | 237 (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len); |
224 env->ReleaseByteArrayElements(bytes_array.obj(), bytes, JNI_ABORT); | 238 env->ReleaseByteArrayElements(bytes_array.obj(), bytes, JNI_ABORT); |
225 } | 239 } |
226 } | 240 } |
227 | 241 |
228 } // namespace android | 242 } // namespace android |
229 } // namespace base | 243 } // namespace base |
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