Java tutorial
/** * Copyright 2015 LinkedIn Corp. All rights reserved. * * 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. */ package dao; import models.DatasetComment; import org.apache.commons.lang3.StringUtils; import org.springframework.jdbc.core.RowMapper; import java.sql.ResultSet; import java.sql.SQLException; public class DatasetCommentRowMapper implements RowMapper<DatasetComment> { public static String ID_COLUMN = "id"; public static String DATASET_ID_COLUMN = "dataset_id"; public static String TEXT_COLUMN = "text"; public static String CREATED_TIME_COLUMN = "created"; public static String MODIFIED_TIME_COLUMN = "modified"; public static String COMMENT_TYPE_COLUMN = "comment_type"; public static String DEFAULT_COMMENT_TYPE = "Comment"; public static String USER_FULL_NAME_COLUMN = "name"; public static String USER_EMAIL_COLUMN = "email"; public static String USER_NAME_COLUMN = "username"; @Override public DatasetComment mapRow(ResultSet rs, int rowNum) throws SQLException { int id = rs.getInt(ID_COLUMN); int datasetId = rs.getInt(DATASET_ID_COLUMN); String text = rs.getString(TEXT_COLUMN); String created = rs.getString(CREATED_TIME_COLUMN); String modified = rs.getString(MODIFIED_TIME_COLUMN); String type = rs.getString(COMMENT_TYPE_COLUMN); if (StringUtils.isBlank(type)) { type = DEFAULT_COMMENT_TYPE; } String authorName = rs.getString(USER_FULL_NAME_COLUMN); String authorEmail = rs.getString(USER_EMAIL_COLUMN); String userName = rs.getString(USER_NAME_COLUMN); DatasetComment datasetComment = new DatasetComment(); datasetComment.id = id; datasetComment.datasetId = datasetId; datasetComment.text = text; datasetComment.created = created; datasetComment.modified = modified; datasetComment.type = type; datasetComment.authorName = authorName; datasetComment.authorEmail = authorEmail; datasetComment.authorUserName = userName; return datasetComment; } }