io.seata.core.protocol.AbstractIdentifyResponse Maven / Gradle / Ivy

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/*
 *  Copyright 1999-2018 Alibaba Group Holding 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.
 */

package io.seata.core.protocol;

import io.netty.buffer.ByteBuf;

/**
 * The type Abstract identify response.
 *
 * @author sharajava
 */
public abstract class AbstractIdentifyResponse extends AbstractResultMessage {

    private String version = Version.CURRENT;
    ;

    private String extraData;

    private boolean identified;

    /**
     * Gets version.
     *
     * @return the version
     */
    public String getVersion() {
        return version;
    }

    /**
     * Sets version.
     *
     * @param version the version
     */
    public void setVersion(String version) {
        this.version = version;
    }

    /**
     * Gets extra data.
     *
     * @return the extra data
     */
    public String getExtraData() {
        return extraData;
    }

    /**
     * Sets extra data.
     *
     * @param extraData the extra data
     */
    public void setExtraData(String extraData) {
        this.extraData = extraData;
    }

    /**
     * Is identified boolean.
     *
     * @return the boolean
     */
    public boolean isIdentified() {
        return identified;
    }

    /**
     * Sets identified.
     *
     * @param identified the identified
     */
    public void setIdentified(boolean identified) {
        this.identified = identified;
    }

    @Override
    public void doEncode() {
        //        super.doEncode();
        byteBuffer.put(this.identified ? (byte)1 : (byte)0);
        if (this.version != null) {
            byte[] bs = version.getBytes(UTF8);
            byteBuffer.putShort((short)bs.length);
            if (bs.length > 0) {
                byteBuffer.put(bs);
            }
        } else {
            byteBuffer.putShort((short)0);
        }

    }

    @Override
    public boolean decode(ByteBuf in) {
        int i = in.readableBytes();
        if (i < 3) {
            return false;
        }
        i -= 3;
        this.identified = (in.readByte() == 1);

        short len = in.readShort();
        if (len > 0) {
            if (i < len) {
                return false;
            }

            byte[] bs = new byte[len];
            in.readBytes(bs);
            this.setVersion(new String(bs, UTF8));
        }

        return true;
    }

    @Override
    public String toString() {
        StringBuilder result = new StringBuilder();
        result.append("version=");
        result.append(String.valueOf(version));
        result.append(",");
        result.append("extraData=");
        result.append(String.valueOf(extraData));
        result.append(",");
        result.append("identified=");
        result.append(String.valueOf(identified));
        result.append(",");
        result.append("resultCode=");
        result.append(String.valueOf(getResultCode()));
        result.append(",");
        result.append("msg=");
        result.append(String.valueOf(getMsg()));

        return result.toString();
    }
}