PostgreBitStringValueHandler.java

/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * 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.jkiss.dbeaver.ext.postgresql.model.data;

import org.jkiss.code.NotNull;
import org.jkiss.dbeaver.model.exec.DBCException;
import org.jkiss.dbeaver.model.exec.DBCSession;
import org.jkiss.dbeaver.model.exec.jdbc.JDBCPreparedStatement;
import org.jkiss.dbeaver.model.exec.jdbc.JDBCResultSet;
import org.jkiss.dbeaver.model.exec.jdbc.JDBCSession;
import org.jkiss.dbeaver.model.impl.jdbc.data.handlers.JDBCAbstractValueHandler;
import org.jkiss.dbeaver.model.struct.DBSTypedObject;
import org.jkiss.utils.CommonUtils;

import java.sql.SQLException;
import java.sql.Types;

/**
 * PostgreBitStringValueHandler
 */
public class PostgreBitStringValueHandler extends JDBCAbstractValueHandler {

    public static final PostgreBitStringValueHandler INSTANCE = new PostgreBitStringValueHandler();

    @Override
    protected String fetchColumnValue(DBCSession session, JDBCResultSet resultSet, DBSTypedObject type, int index) throws SQLException {
        return resultSet.getString(index);
    }

    @Override
    protected void bindParameter(JDBCSession session, JDBCPreparedStatement statement, DBSTypedObject paramType, int paramIndex, Object value) throws DBCException, SQLException {
        String strValue = CommonUtils.toString(value);
        if (strValue.isEmpty()) {
            statement.setNull(paramIndex, Types.OTHER);
        } else {
            statement.setObject(paramIndex, strValue, Types.OTHER);
        }
    }

    @NotNull
    @Override
    public Class<?> getValueObjectType(@NotNull DBSTypedObject attribute) {
        return String.class;
    }

    @Override
    public String getValueFromObject(@NotNull DBCSession session, @NotNull DBSTypedObject type, Object object, boolean copy) throws DBCException
    {
        return CommonUtils.toString(object);
    }
}