edu.berkeley.ground.db.PostgresResults.java Source code

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Here is the source code for edu.berkeley.ground.db.PostgresResults.java

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/**
 * 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 edu.berkeley.ground.db;

import edu.berkeley.ground.exceptions.GroundException;

import org.apache.commons.lang.NotImplementedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

public class PostgresResults implements QueryResults {
    private static final Logger LOGGER = LoggerFactory.getLogger(PostgresResults.class);

    private ResultSet resultSet;

    public PostgresResults(ResultSet resultSet) {
        this.resultSet = resultSet;
    }

    public boolean next() throws GroundException {
        try {
            return this.resultSet.next();
        } catch (SQLException e) {
            throw new GroundException(e);
        }
    }

    public String getString(int index) throws GroundException {
        try {
            return resultSet.getString(index);
        } catch (SQLException e) {
            LOGGER.error(e.getMessage());

            throw new GroundException(e);
        }
    }

    public String getString(String field) throws GroundException {
        throw new NotImplementedException();
    }

    public int getInt(int index) throws GroundException {
        try {
            return resultSet.getInt(index);
        } catch (SQLException e) {
            LOGGER.error(e.getMessage());

            throw new GroundException(e);
        }
    }

    public boolean getBoolean(int index) throws GroundException {
        try {
            return resultSet.getBoolean(index);
        } catch (SQLException e) {
            LOGGER.error(e.getMessage());

            throw new GroundException(e);
        }
    }

    public List<String> getStringList(int index) throws GroundException {
        try {
            List<String> stringList = new ArrayList<>();
            do {
                stringList.add(this.getString(index));
            } while (resultSet.next());

            return stringList;
        } catch (SQLException e) {
            LOGGER.error(e.getMessage());

            throw new GroundException(e);
        }
    }
}