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The Reactive PostgreSQL Client
/*
* Copyright (C) 2017 Julien Viet
*
* 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.vertx.pgclient.impl.codec;
import io.vertx.sqlclient.Row;
import io.vertx.pgclient.impl.RowImpl;
import io.netty.buffer.ByteBuf;
import io.vertx.sqlclient.impl.RowDecoder;
import java.util.stream.Collector;
class RowResultDecoder extends RowDecoder {
final PgRowDesc desc;
RowResultDecoder(Collector collector, PgRowDesc desc) {
super(collector);
this.desc = desc;
}
@Override
protected Row decodeRow(int len, ByteBuf in) {
Row row = new RowImpl(desc);
for (int c = 0; c < len; ++c) {
int length = in.readInt();
Object decoded = null;
if (length != -1) {
PgColumnDesc columnDesc = desc.columns[c];
if (columnDesc.dataFormat == DataFormat.BINARY) {
decoded = DataTypeCodec.decodeBinary(columnDesc.dataType, in.readerIndex(), length, in);
} else {
decoded = DataTypeCodec.decodeText(columnDesc.dataType, in.readerIndex(), length, in);
}
in.skipBytes(length);
}
row.addValue(decoded);
}
return row;
}
}
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