io.stargate.grpc.codec.StringCodec Maven / Gradle / Ivy
/*
* Copyright The Stargate Authors
*
* 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.stargate.grpc.codec;
import com.datastax.oss.driver.api.core.type.codec.TypeCodec;
import edu.umd.cs.findbugs.annotations.NonNull;
import io.stargate.db.schema.Column;
import io.stargate.db.schema.Column.ColumnType;
import io.stargate.proto.QueryOuterClass.Value;
import io.stargate.proto.QueryOuterClass.Value.InnerCase;
import java.nio.ByteBuffer;
public class StringCodec implements ValueCodec {
private final TypeCodec innerCodec;
public StringCodec(@NonNull TypeCodec innerCodec) {
this.innerCodec = innerCodec;
}
@Override
public ByteBuffer encode(@NonNull Value value, @NonNull Column.ColumnType type) {
if (value.getInnerCase() != InnerCase.STRING) {
throw new IllegalArgumentException("Expected string type");
}
return innerCodec.encode(value.getString(), PROTOCOL_VERSION);
}
@Override
public Value decode(@NonNull ByteBuffer bytes, @NonNull ColumnType type) {
return Value.newBuilder().setString(innerCodec.decode(bytes, PROTOCOL_VERSION)).build();
}
}