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The runtime library of DBFlute

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/*
 * Copyright 2014-2019 the original author or 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 org.dbflute.helper.token.file;

import java.io.IOException;
import java.sql.SQLException;

/**
 * The callback of file-making with writer.
 *  * File tsvFile = ... // output file
 * List<String> columnNameList = ... // columns for header
 * FileToken fileToken = new FileToken();
 * fileToken.make(new FileOutputStream(tsvFile), writer -> {
 *     for (Member member : ...) { // output data loop
 *         List<String> valueList = ...; // convert the member to the row resource
 *         writer.writeRow(valueList); // Yes, you write!
 *     }
 * }, op -> op.delimitateByTab().encodeAsUTF8().headerInfo(columnNameList));
 * 
 * @author jflute
 */
@FunctionalInterface
public interface FileMakingCallback {

    /**
     * Make (write) token file by row writer that accepts row resources.
     * @param writer The row writer of file-making. (NotNull)
     * @throws IOException When the IO handling fails in the row writing process.
     * @throws SQLException When the SQL handling fails in the row writing process.
     */
    void write(FileMakingRowWriter writer) throws IOException, SQLException;
}