com.arangodb.shaded.vertx.core.eventbus.impl.codecs.ReplyExceptionMessageCodec Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package com.arangodb.shaded.vertx.core.eventbus.impl.codecs;
import com.arangodb.shaded.netty.util.CharsetUtil;
import com.arangodb.shaded.vertx.core.buffer.Buffer;
import com.arangodb.shaded.vertx.core.eventbus.MessageCodec;
import com.arangodb.shaded.vertx.core.eventbus.ReplyException;
import com.arangodb.shaded.vertx.core.eventbus.ReplyFailure;
/**
* @author Tim Fox
*/
public class ReplyExceptionMessageCodec implements MessageCodec {
@Override
public void encodeToWire(Buffer buffer, ReplyException body) {
buffer.appendByte((byte)body.failureType().toInt());
buffer.appendInt(body.failureCode());
if (body.getMessage() == null) {
buffer.appendByte((byte)0);
} else {
buffer.appendByte((byte)1);
byte[] encoded = body.getMessage().getBytes(CharsetUtil.UTF_8);
buffer.appendInt(encoded.length);
buffer.appendBytes(encoded);
}
}
@Override
public ReplyException decodeFromWire(int pos, Buffer buffer) {
int i = (int) buffer.getByte(pos);
ReplyFailure rf = ReplyFailure.fromInt(i);
pos++;
int failureCode = buffer.getInt(pos);
pos += 4;
boolean isNull = buffer.getByte(pos) == (byte)0;
String message;
if (!isNull) {
pos++;
int strLength = buffer.getInt(pos);
pos += 4;
byte[] bytes = buffer.getBytes(pos, pos + strLength);
message = new String(bytes, CharsetUtil.UTF_8);
} else {
message = null;
}
return new ReplyException(rf, failureCode, message);
}
@Override
public ReplyException transform(ReplyException exception) {
return exception;
}
@Override
public String name() {
return "replyexception";
}
@Override
public byte systemCodecID() {
return 15;
}
}