/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "message.h"

namespace OHOS {
namespace MiscServices {
/*! Constructor
 * @param msgId a message Id
 * @param msgContent the content of a message
 */
Message::Message(int32_t msgId, MessageParcel *msgContent)
{
    msgId_ = msgId;
    msgContent_ = msgContent;
    if (msgContent_ != nullptr) {
        msgContent_->RewindRead(0);
    }
}

/*!Constructor
 * @param msg a source message
 */
Message::Message(const Message &msg)
{
    msgId_ = msg.msgId_;
    if (msgContent_ != nullptr) {
        delete msgContent_;
        msgContent_ = nullptr;
    }
    MessageParcel *src = msg.msgContent_;
    if (src != nullptr) {
        msgContent_ = new MessageParcel();
        msgContent_->ParseFrom(src->GetData(), src->GetDataSize());
    }
}

Message &Message::operator=(const Message &msg)
{
    if (this == &msg) {
        return *this;
    }
    msgId_ = msg.msgId_;
    if (msgContent_ != nullptr) {
        delete msgContent_;
        msgContent_ = nullptr;
    }
    if (msg.msgContent_ != nullptr) {
        msgContent_ = new MessageParcel();
        msgContent_->ParseFrom(msg.msgContent_->GetData(), msg.msgContent_->GetDataSize());
        msgContent_->RewindRead(0);
    }
    return *this;
}

Message::~Message()
{
    if (msgContent_ != nullptr) {
        delete msgContent_;
        msgContent_ = nullptr;
    }
}
} // namespace MiscServices
} // namespace OHOS