http://jdbi.org/: jdbi PostgreSQL specific features 
/*
 * 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 org.jdbi.v3.postgres;

import java.io.Reader;
import java.sql.Types;

import org.jdbi.v3.core.argument.AbstractArgumentFactory;
import org.jdbi.v3.core.argument.Argument;
import org.jdbi.v3.core.config.ConfigRegistry;
import org.jdbi.v3.postgres.BlobInputStreamArgumentFactory.LobInputStreamArgument;
import org.postgresql.util.ReaderInputStream;

class ClobReaderArgumentFactory extends AbstractArgumentFactory<Reader> {
    ClobReaderArgumentFactory() {
        super(Types.CLOB);
    }

    @Override
    protected Argument build(Reader value, ConfigRegistry config) {
        return new LobInputStreamArgument(new ReaderInputStream(value));
    }
}