OLD | NEW |
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 #include "base/stl_util.h" | |
11 | 10 |
12 namespace base { | 11 namespace base { |
13 namespace android { | 12 namespace android { |
14 namespace { | 13 namespace { |
15 | 14 |
16 // As |GetArrayLength| makes no guarantees about the returned value (e.g., it | 15 // As |GetArrayLength| makes no guarantees about the returned value (e.g., it |
17 // may be -1 if |array| is not a valid Java array), provide a safe wrapper | 16 // may be -1 if |array| is not a valid Java array), provide a safe wrapper |
18 // that always returns a valid, non-negative size. | 17 // that always returns a valid, non-negative size. |
19 template <typename JavaArrayType> | 18 template <typename JavaArrayType> |
20 size_t SafeGetArrayLength(JNIEnv* env, JavaArrayType jarray) { | 19 size_t SafeGetArrayLength(JNIEnv* env, JavaArrayType jarray) { |
(...skipping 26 matching lines...) Expand all Loading... |
47 | 46 |
48 env->SetIntArrayRegion( | 47 env->SetIntArrayRegion( |
49 int_array, 0, len, reinterpret_cast<const jint*>(ints)); | 48 int_array, 0, len, reinterpret_cast<const jint*>(ints)); |
50 CheckException(env); | 49 CheckException(env); |
51 | 50 |
52 return ScopedJavaLocalRef<jintArray>(env, int_array); | 51 return ScopedJavaLocalRef<jintArray>(env, int_array); |
53 } | 52 } |
54 | 53 |
55 ScopedJavaLocalRef<jintArray> ToJavaIntArray( | 54 ScopedJavaLocalRef<jintArray> ToJavaIntArray( |
56 JNIEnv* env, const std::vector<int>& ints) { | 55 JNIEnv* env, const std::vector<int>& ints) { |
57 return ToJavaIntArray(env, vector_as_array(&ints), ints.size()); | 56 return ToJavaIntArray(env, ints.begin(), ints.size()); |
58 } | 57 } |
59 | 58 |
60 ScopedJavaLocalRef<jlongArray> ToJavaLongArray( | 59 ScopedJavaLocalRef<jlongArray> ToJavaLongArray( |
61 JNIEnv* env, const int64* longs, size_t len) { | 60 JNIEnv* env, const int64* longs, size_t len) { |
62 jlongArray long_array = env->NewLongArray(len); | 61 jlongArray long_array = env->NewLongArray(len); |
63 CheckException(env); | 62 CheckException(env); |
64 DCHECK(long_array); | 63 DCHECK(long_array); |
65 | 64 |
66 env->SetLongArrayRegion( | 65 env->SetLongArrayRegion( |
67 long_array, 0, len, reinterpret_cast<const jlong*>(longs)); | 66 long_array, 0, len, reinterpret_cast<const jlong*>(longs)); |
68 CheckException(env); | 67 CheckException(env); |
69 | 68 |
70 return ScopedJavaLocalRef<jlongArray>(env, long_array); | 69 return ScopedJavaLocalRef<jlongArray>(env, long_array); |
71 } | 70 } |
72 | 71 |
73 // 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. |
74 BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray( | 73 BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray( |
75 JNIEnv* env, const std::vector<int64>& longs) { | 74 JNIEnv* env, const std::vector<int64>& longs) { |
76 return ToJavaLongArray(env, vector_as_array(&longs), longs.size()); | 75 return ToJavaLongArray(env, longs.begin(), longs.size()); |
77 } | 76 } |
78 | 77 |
79 ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray( | 78 ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray( |
80 JNIEnv* env, const std::vector<std::string>& v) { | 79 JNIEnv* env, const std::vector<std::string>& v) { |
81 ScopedJavaLocalRef<jclass> byte_array_clazz = GetClass(env, "[B"); | 80 ScopedJavaLocalRef<jclass> byte_array_clazz = GetClass(env, "[B"); |
82 jobjectArray joa = env->NewObjectArray(v.size(), | 81 jobjectArray joa = env->NewObjectArray(v.size(), |
83 byte_array_clazz.obj(), NULL); | 82 byte_array_clazz.obj(), NULL); |
84 CheckException(env); | 83 CheckException(env); |
85 | 84 |
86 for (size_t i = 0; i < v.size(); ++i) { | 85 for (size_t i = 0; i < v.size(); ++i) { |
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
221 env->GetObjectArrayElement(array, i))); | 220 env->GetObjectArrayElement(array, i))); |
222 jsize bytes_len = env->GetArrayLength(bytes_array.obj()); | 221 jsize bytes_len = env->GetArrayLength(bytes_array.obj()); |
223 jbyte* bytes = env->GetByteArrayElements(bytes_array.obj(), NULL); | 222 jbyte* bytes = env->GetByteArrayElements(bytes_array.obj(), NULL); |
224 (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len); | 223 (*out)[i].assign(reinterpret_cast<const char*>(bytes), bytes_len); |
225 env->ReleaseByteArrayElements(bytes_array.obj(), bytes, JNI_ABORT); | 224 env->ReleaseByteArrayElements(bytes_array.obj(), bytes, JNI_ABORT); |
226 } | 225 } |
227 } | 226 } |
228 | 227 |
229 } // namespace android | 228 } // namespace android |
230 } // namespace base | 229 } // namespace base |
OLD | NEW |