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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/policy/core/common/android/policy_map_android.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/json/json_writer.h"
#include "base/values.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/policy/android/jni_headers/PolicyMap_jni.h"
namespace policy {
namespace android {
PolicyMapAndroid::PolicyMapAndroid(const PolicyMap& policy_map)
: policy_map_(policy_map) {}
PolicyMapAndroid::~PolicyMapAndroid() = default;
jboolean PolicyMapAndroid::HasValue(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
const base::android::JavaRef<jstring>& policy) const {
return GetValue(env, policy) != nullptr;
}
jint PolicyMapAndroid::GetIntValue(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
const base::android::JavaRef<jstring>& policy) const {
const base::Value* value = GetValue(env, policy);
DCHECK(value && value->is_int())
<< "The policy must exist and be stored as integer.";
return value->GetInt();
}
jboolean PolicyMapAndroid::GetBooleanValue(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
const base::android::JavaRef<jstring>& policy) const {
const base::Value* value = GetValue(env, policy);
DCHECK(value && value->is_bool())
<< "The policy must exist and be stored as boolean.";
return value->GetBool();
}
base::android::ScopedJavaLocalRef<jstring> PolicyMapAndroid::GetStringValue(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
const base::android::JavaRef<jstring>& policy) const {
const base::Value* value = GetValue(env, policy);
if (!value)
return nullptr;
DCHECK(value->is_string()) << "The policy must be stored as string.";
return base::android::ConvertUTF8ToJavaString(env, value->GetString());
}
base::android::ScopedJavaLocalRef<jstring> PolicyMapAndroid::GetListValue(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
const base::android::JavaRef<jstring>& policy) const {
return GetListOrDictValue(env, policy, /* is_dict */ false);
}
base::android::ScopedJavaLocalRef<jstring> PolicyMapAndroid::GetDictValue(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
const base::android::JavaRef<jstring>& policy) const {
return GetListOrDictValue(env, policy, /* is_dict */ true);
}
jboolean PolicyMapAndroid::Equals(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& caller,
jlong other) const {
return policy_map_->Equals(
*reinterpret_cast<PolicyMapAndroid*>(other)->policy_map_);
}
base::android::ScopedJavaLocalRef<jobject> PolicyMapAndroid::GetJavaObject() {
JNIEnv* env = base::android::AttachCurrentThread();
if (!java_ref_) {
java_ref_.Reset(
Java_PolicyMap_Constructor(env, reinterpret_cast<intptr_t>(this)));
}
return base::android::ScopedJavaLocalRef<jobject>(java_ref_);
}
base::android::ScopedJavaLocalRef<jstring> PolicyMapAndroid::GetListOrDictValue(
JNIEnv* env,
const base::android::JavaRef<jstring>& policy,
bool is_dict) const {
const base::Value* value = GetValue(env, policy);
if (!value)
return nullptr;
#if DCHECK_IS_ON()
if (is_dict)
DCHECK(value->is_dict()) << "The policy must be stored as dictionary.";
else
DCHECK(value->is_list()) << "The policy must be stored as list.";
#endif // DCHECK_IS_ON()
std::string json_string;
base::JSONWriter::Write(*value, &json_string);
return base::android::ConvertUTF8ToJavaString(env, json_string);
}
const base::Value* PolicyMapAndroid::GetValue(
JNIEnv* env,
const base::android::JavaRef<jstring>& policy) const {
// It is safe to use `GetValueUnsafe()` as multiple policy types are handled.
return policy_map_->GetValueUnsafe(
base::android::ConvertJavaStringToUTF8(env, policy));
}
} // namespace android
} // namespace policy
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