Java tutorial
/** * Licensed to JumpMind Inc under one or more contributor * license agreements. See the NOTICE file distributed * with this work for additional information regarding * copyright ownership. JumpMind Inc licenses this file * to you under the GNU General Public License, version 3.0 (GPLv3) * (the "License"); you may not use this file except in compliance * with the License. * * You should have received a copy of the GNU General Public License, * version 3.0 (GPLv3) along with this library; if not, see * <http://www.gnu.org/licenses/>. * * 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.jumpmind.db.platform.sqlite; import java.math.BigDecimal; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Timestamp; import java.sql.Types; import java.util.Calendar; import java.util.Date; import javax.sql.DataSource; import org.apache.commons.lang.time.DateUtils; import org.jumpmind.db.platform.DatabaseInfo; import org.jumpmind.db.sql.JdbcSqlTemplate; import org.jumpmind.db.sql.SqlTemplateSettings; import org.jumpmind.db.sql.SymmetricLobHandler; import org.jumpmind.util.FormatUtils; import org.springframework.jdbc.core.SqlTypeValue; import org.springframework.jdbc.core.StatementCreatorUtils; import org.springframework.jdbc.support.lob.LobHandler; public class SqliteJdbcSqlTemplate extends JdbcSqlTemplate { public SqliteJdbcSqlTemplate(DataSource dataSource, SqlTemplateSettings settings, SymmetricLobHandler lobHandler, DatabaseInfo databaseInfo) { super(dataSource, settings, lobHandler, databaseInfo); } @Override public boolean isUniqueKeyViolation(Throwable ex) { SQLException sqlEx = findSQLException(ex); return (sqlEx != null && sqlEx.getMessage() != null && sqlEx.getMessage().contains("[SQLITE_CONSTRAINT]")); } @Override public boolean supportsGetGeneratedKeys() { return false; } @Override public String getSelectLastInsertIdSql(String sequenceName) { return "SELECT last_insert_rowid();"; } @Override @SuppressWarnings("unchecked") public <T> T getObjectFromResultSet(ResultSet rs, Class<T> clazz) throws SQLException { if (Date.class.isAssignableFrom(clazz) || Timestamp.class.isAssignableFrom(clazz)) { String s = rs.getString(1); Date d = null; d = FormatUtils.parseDate(s, FormatUtils.TIMESTAMP_PATTERNS); if (Timestamp.class.isAssignableFrom(clazz)) { return (T) new Timestamp(d.getTime()); } else { return (T) d; } } else { return super.getObjectFromResultSet(rs, clazz); } } @Override public void setValues(PreparedStatement ps, Object[] args, int[] argTypes, LobHandler lobHandler) throws SQLException { for (int i = 1; i <= args.length; i++) { Object arg = args[i - 1]; int argType = argTypes != null && argTypes.length >= i ? argTypes[i - 1] : SqlTypeValue.TYPE_UNKNOWN; if (argType == Types.BLOB && lobHandler != null && arg instanceof byte[]) { lobHandler.getLobCreator().setBlobAsBytes(ps, i, (byte[]) arg); } else if (argType == Types.BLOB && lobHandler != null && arg instanceof String) { lobHandler.getLobCreator().setBlobAsBytes(ps, i, arg.toString().getBytes()); } else if (argType == Types.CLOB && lobHandler != null) { lobHandler.getLobCreator().setClobAsString(ps, i, (String) arg); } else if (arg != null && argType == Types.DATE && arg instanceof Date) { Date clone = (Date) (((Date) arg).clone()); arg = FormatUtils.TIMESTAMP_FORMATTER.format(DateUtils.truncate(clone, Calendar.DATE)); args[i - 1] = arg; StatementCreatorUtils.setParameterValue(ps, i, verifyArgType(arg, argType), arg); } else if (arg != null && (arg instanceof Date || arg instanceof Timestamp)) { arg = FormatUtils.TIMESTAMP_FORMATTER.format(arg); args[i - 1] = arg; StatementCreatorUtils.setParameterValue(ps, i, verifyArgType(arg, argType), arg); } else { if (arg instanceof BigDecimal) { arg = ((BigDecimal) arg).doubleValue(); args[i - 1] = arg; } StatementCreatorUtils.setParameterValue(ps, i, verifyArgType(arg, argType), arg); } } } @Override public void setValues(PreparedStatement ps, Object[] args) throws SQLException { if (args != null) { for (int i = 0; i < args.length; i++) { Object arg = args[i]; if (arg != null && (arg instanceof Date || arg instanceof Timestamp)) { arg = FormatUtils.TIMESTAMP_FORMATTER.format(arg); args[i] = arg; } doSetValue(ps, i + 1, arg); } } } }