001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2011 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.jpa.dialect;
021    
022    import org.apache.commons.lang.StringUtils;
023    import org.hibernate.HibernateException;
024    import org.hibernate.dialect.SQLServerDialect;
025    import org.sonar.api.database.DatabaseProperties;
026    
027    import java.sql.Types;
028    
029    public class MsSql implements Dialect {
030    
031      public String getId() {
032        return "mssql";
033      }
034    
035      public String getActiveRecordDialectCode() {
036        return "sqlserver";
037      }
038    
039      public String getActiveRecordJdbcAdapter() {
040        return "jdbc";
041      }
042    
043      public Class<? extends org.hibernate.dialect.Dialect> getHibernateDialectClass() {
044        return MsSqlDialect.class;
045      }
046    
047      public boolean matchesJdbcURL(String jdbcConnectionURL) {
048        return StringUtils.startsWithIgnoreCase(jdbcConnectionURL, "jdbc:microsoft:sqlserver:")
049            || StringUtils.startsWithIgnoreCase(jdbcConnectionURL, "jdbc:jtds:sqlserver:");
050      }
051    
052      public static class MsSqlDialect extends SQLServerDialect {
053        public MsSqlDialect() {
054          super();
055          registerColumnType(Types.DOUBLE, "decimal");
056          registerColumnType(Types.VARCHAR, 255, "nvarchar($l)");
057          registerColumnType(Types.VARCHAR, DatabaseProperties.MAX_TEXT_SIZE, "nvarchar(max)");
058          registerColumnType(Types.CHAR, "nchar(1)");
059          registerColumnType(Types.CLOB, "nvarchar(max)");
060        }
061    
062        public String getTypeName(int code, int length, int precision, int scale) throws HibernateException {
063          if (code != 2005) {
064            return super.getTypeName(code, length, precision, scale);
065          } else {
066            return "ntext";
067          }
068        }
069      }
070    
071    }
072