MentaBean

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/*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * MentaBean => http://www.mentabean.org
 * Author: Sergio Oliveira Jr. (sergio.oliveira.jr@gmail.com)
 */

package org.mentabean.type;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.mentabean.DBType;

public class StringType implements DBType<String>, SizedType {

        private int size = DEFAULT_SIZE;

        private boolean canBeNull = true;

        @Override
        public boolean canBeNull() {
                return canBeNull;
        }

        public StringType nullable(boolean flag) {
                StringType d = new StringType();
                d.canBeNull = flag;
                d.size = this.size;
                return d;
        }

        @Override
        public String getAnsiType() {
                return "varchar"; // if your database do not support that you are in trouble !!!
        }

        @Override
        public String toString() {

                return this.getClass().getSimpleName();
        }

        public StringType size(int size) {
                // clone so we can use this with DBTypes (cleaner API)
                StringType clone = new StringType();
                clone.size = size;
                return clone;
        }

        @Override
        public int getSize() {
                return size;
        }

        @Override
        public String getFromResultSet(final ResultSet rset, final int index) throws SQLException {

                return rset.getString(index);
        }

        @Override
        public String getFromResultSet(final ResultSet rset, final String field) throws SQLException {

                return rset.getString(field);
        }

        @Override
        public Class<? extends Object> getTypeClass() {

                return String.class;
        }

        @Override
        public void bindToStmt(final PreparedStatement stmt, final int index, final String value) throws SQLException {

                if (value == null) {

                        stmt.setString(index, null);

                } else {

                        stmt.setString(index, value);
                }
        }
}