76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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* Copyright 2011, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// #define LOG_NDEBUG 0
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#define LOG_TAG "AndroidMediaUtils"
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#include <utils/Log.h>
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#include "android_media_Utils.h"
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namespace android {
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bool ConvertKeyValueArraysToKeyedVector(
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JNIEnv *env, jobjectArray keys, jobjectArray values,
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KeyedVector<String8, String8>* keyedVector) {
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int nKeyValuePairs = 0;
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bool failed = false;
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if (keys != NULL && values != NULL) {
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nKeyValuePairs = env->GetArrayLength(keys);
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failed = (nKeyValuePairs != env->GetArrayLength(values));
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}
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if (!failed) {
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failed = ((keys != NULL && values == NULL) ||
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(keys == NULL && values != NULL));
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}
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if (failed) {
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LOGE("keys and values arrays have different length");
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jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
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return false;
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}
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for (int i = 0; i < nKeyValuePairs; ++i) {
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// No need to check on the ArrayIndexOutOfBoundsException, since
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// it won't happen here.
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jstring key = (jstring) env->GetObjectArrayElement(keys, i);
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jstring value = (jstring) env->GetObjectArrayElement(values, i);
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const char* keyStr = env->GetStringUTFChars(key, NULL);
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if (!keyStr) { // OutOfMemoryError
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return false;
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}
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const char* valueStr = env->GetStringUTFChars(value, NULL);
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if (!valueStr) { // OutOfMemoryError
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env->ReleaseStringUTFChars(key, keyStr);
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return false;
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}
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keyedVector->add(String8(keyStr), String8(valueStr));
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env->ReleaseStringUTFChars(key, keyStr);
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env->ReleaseStringUTFChars(value, valueStr);
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env->DeleteLocalRef(key);
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env->DeleteLocalRef(value);
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}
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return true;
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}
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} // namespace android
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