/*
* 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.presto.decoder;
import com.facebook.presto.decoder.csv.CsvDecoderModule;
import com.facebook.presto.decoder.dummy.DummyDecoderModule;
import com.facebook.presto.decoder.json.JsonDecoderModule;
import com.facebook.presto.decoder.raw.RawDecoderModule;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Scopes;
import com.google.inject.TypeLiteral;
import com.google.inject.multibindings.Multibinder;
/**
* Default decoder module. Installs the registry and all known decoder submodules.
*/
public class DecoderModule
implements Module
{
@Override
public void configure(Binder binder)
{
binder.bind(DecoderRegistry.class).in(Scopes.SINGLETON);
binder.install(new DummyDecoderModule());
binder.install(new CsvDecoderModule());
binder.install(new JsonDecoderModule());
binder.install(new RawDecoderModule());
}
public static void bindRowDecoder(Binder binder, Class<? extends RowDecoder> decoderClass)
{
Multibinder<RowDecoder> rowDecoderBinder = Multibinder.newSetBinder(binder, RowDecoder.class);
rowDecoderBinder.addBinding().to(decoderClass).in(Scopes.SINGLETON);
}
public static void bindFieldDecoder(Binder binder, Class<? extends FieldDecoder<?>> decoderClass)
{
Multibinder<FieldDecoder<?>> fieldDecoderBinder = Multibinder.newSetBinder(binder, new TypeLiteral<FieldDecoder<?>>() {});
fieldDecoderBinder.addBinding().to(decoderClass).in(Scopes.SINGLETON);
}
}