/*
* Copyright (C) 2012 Facebook, Inc.
*
* 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 com.facebook.swift.codec.internal.builtin;
import com.facebook.swift.codec.ThriftCodec;
import com.facebook.swift.codec.internal.TProtocolReader;
import com.facebook.swift.codec.internal.TProtocolWriter;
import com.facebook.swift.codec.metadata.ThriftType;
import com.google.common.base.Preconditions;
import org.apache.thrift.protocol.TProtocol;
import javax.annotation.concurrent.Immutable;
import java.util.List;
@Immutable
public class ListThriftCodec<T> implements ThriftCodec<List<T>>
{
private final ThriftCodec<T> elementCodec;
private final ThriftType type;
public ListThriftCodec(ThriftType type, ThriftCodec<T> elementCodec)
{
Preconditions.checkNotNull(type, "type is null");
Preconditions.checkNotNull(elementCodec, "elementCodec is null");
this.type = type;
this.elementCodec = elementCodec;
}
@Override
public ThriftType getType()
{
return type;
}
@Override
public List<T> read(TProtocol protocol)
throws Exception
{
Preconditions.checkNotNull(protocol, "protocol is null");
return new TProtocolReader(protocol).readList(elementCodec);
}
@Override
public void write(List<T> value, TProtocol protocol)
throws Exception
{
Preconditions.checkNotNull(value, "value is null");
Preconditions.checkNotNull(protocol, "protocol is null");
new TProtocolWriter(protocol).writeList(elementCodec, value);
}
}