1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "JniConstants.h" 18 #include "toStringArray.h" 19 20 jobjectArray newStringArray(JNIEnv* env, size_t count) { 21 return env->NewObjectArray(count, JniConstants::stringClass, NULL); 22 } 23 24 struct ArrayCounter { 25 const char* const* strings; 26 explicit ArrayCounter(const char* const* strings) : strings(strings) {} 27 size_t operator()() { 28 size_t count = 0; 29 while (strings[count] != NULL) { 30 ++count; 31 } 32 return count; 33 } 34 }; 35 36 struct ArrayGetter { 37 const char* const* strings; 38 explicit ArrayGetter(const char* const* strings) : strings(strings) {} 39 const char* operator()(size_t i) { 40 return strings[i]; 41 } 42 }; 43 44 jobjectArray toStringArray(JNIEnv* env, const char* const* strings) { 45 ArrayCounter counter(strings); 46 ArrayGetter getter(strings); 47 return toStringArray(env, &counter, &getter); 48 } 49
