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Side by Side Diff: base/android/jni_array.cc

Issue 935333002: Update from https://crrev.com/316786 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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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 #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
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
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
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