com.google.code.or.net.impl.packet.ErrorPacket.java Source code

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Here is the source code for com.google.code.or.net.impl.packet.ErrorPacket.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.google.code.or.net.impl.packet;

import java.io.IOException;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;

import com.google.code.or.common.glossary.column.StringColumn;
import com.google.code.or.io.XInputStream;
import com.google.code.or.io.util.XDeserializer;
import com.google.code.or.io.util.XSerializer;
import com.google.code.or.net.Packet;

/**
 * 
 * @author Jingqi Xu
 */
public class ErrorPacket extends AbstractPacket {
    //
    private static final long serialVersionUID = -6842057808734657288L;

    //
    public static final byte PACKET_MARKER = (byte) 0xFF;

    //
    private int packetMarker;
    private int errorCode;
    private StringColumn slash;
    private StringColumn sqlState;
    private StringColumn errorMessage;

    /**
     * 
     */
    @Override
    public String toString() {
        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).append("packetMarker", packetMarker)
                .append("errorCode", errorCode).append("slash", slash).append("sqlState", sqlState)
                .append("errorMessage", errorMessage).toString();
    }

    /**
     * 
     */
    public byte[] getPacketBody() {
        final XSerializer s = new XSerializer(64);
        s.writeInt(this.packetMarker, 1);
        s.writeInt(this.errorCode, 2);
        s.writeFixedLengthString(this.slash);
        s.writeFixedLengthString(this.sqlState);
        s.writeFixedLengthString(this.errorMessage);
        return s.toByteArray();
    }

    /**
     * 
     */
    public int getPacketMarker() {
        return packetMarker;
    }

    public void setPacketMarker(int fieldCount) {
        this.packetMarker = fieldCount;
    }

    public int getErrorCode() {
        return errorCode;
    }

    public void setErrorCode(int errorCode) {
        this.errorCode = errorCode;
    }

    public StringColumn getSlash() {
        return slash;
    }

    public void setSlash(StringColumn slash) {
        this.slash = slash;
    }

    public StringColumn getSqlState() {
        return sqlState;
    }

    public void setSqlState(StringColumn sqlState) {
        this.sqlState = sqlState;
    }

    public StringColumn getErrorMessage() {
        return errorMessage;
    }

    public void setErrorMessage(StringColumn errorMessage) {
        this.errorMessage = errorMessage;
    }

    /**
     * 
     */
    public static ErrorPacket valueOf(Packet packet) throws IOException {
        final XDeserializer d = new XDeserializer(packet.getPacketBody());
        final ErrorPacket r = new ErrorPacket();
        r.length = packet.getLength();
        r.sequence = packet.getSequence();
        r.packetMarker = d.readInt(1);
        r.errorCode = d.readInt(2);
        r.slash = d.readFixedLengthString(1);
        r.sqlState = d.readFixedLengthString(5);
        r.errorMessage = d.readFixedLengthString(d.available());
        return r;
    }

    public static ErrorPacket valueOf(int packetLength, int packetSequence, int packetMarker, XInputStream is)
            throws IOException {
        final ErrorPacket r = new ErrorPacket();
        r.length = packetLength;
        r.sequence = packetSequence;
        r.packetMarker = packetMarker;
        r.errorCode = is.readInt(2);
        r.slash = is.readFixedLengthString(1);
        r.sqlState = is.readFixedLengthString(5);
        r.errorMessage = is.readFixedLengthString(is.available());
        return r;
    }
}