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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.database.core;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.core.exception.OseeExceptions;
public enum SupportedDatabase {
h2,
oracle,
foxpro,
mysql,
postgresql,
hsql;
public static String getDatabaseName(DatabaseMetaData metaData) throws OseeCoreException {
String name = "";
try {
name = metaData.getDatabaseProductName();
} catch (SQLException ex) {
OseeExceptions.wrapAndThrow(ex);
}
return name;
}
public static SupportedDatabase getDatabaseTypeAllowNull(DatabaseMetaData metaData) throws OseeCoreException {
String dbName = getDatabaseName(metaData);
return getDatabaseTypeAllowNull(dbName);
}
private static SupportedDatabase getDatabaseTypeAllowNull(String dbName) {
SupportedDatabase toReturn = null;
String lowerCaseName = dbName.toLowerCase();
if (lowerCaseName.contains(h2.toString())) {
toReturn = h2;
} else if (lowerCaseName.contains(oracle.toString())) {
toReturn = oracle;
} else if (lowerCaseName.contains(foxpro.toString())) {
toReturn = foxpro;
} else if (lowerCaseName.contains(mysql.toString())) {
toReturn = mysql;
} else if (lowerCaseName.contains(postgresql.toString())) {
toReturn = postgresql;
} else if (lowerCaseName.contains(hsql.toString())) {
toReturn = hsql;
}
return toReturn;
}
public static SupportedDatabase getDatabaseType(DatabaseMetaData metaData) throws OseeCoreException {
String dbName = getDatabaseName(metaData);
SupportedDatabase toReturn = getDatabaseTypeAllowNull(dbName);
if (toReturn == null) {
throw new OseeDataStoreException("Unsupported database type [%s] ", dbName);
}
return toReturn;
}
public static boolean isDatabaseType(DatabaseMetaData metaData, SupportedDatabase... dbTypes) throws OseeCoreException {
boolean result = false;
SupportedDatabase supportedType = getDatabaseTypeAllowNull(metaData);
for (SupportedDatabase dbType : dbTypes) {
if (dbType == supportedType) {
result = true;
break;
}
}
return result;
}
public static boolean areHintsSupported(DatabaseMetaData metaData) throws OseeCoreException {
try {
if (SupportedDatabase.isDatabaseType(metaData, oracle)) {
return metaData.getDatabaseMajorVersion() > 10;
}
} catch (SQLException ex) {
OseeExceptions.wrapAndThrow(ex);
}
return false;
}
public static String getComplementSql(DatabaseMetaData metaData) throws OseeCoreException {
return isDatabaseType(metaData, oracle) ? "MINUS" : "EXCEPT";
}
public static String getValidationSql(DatabaseMetaData metaData) throws OseeCoreException {
String validation;
if (isDatabaseType(metaData, oracle, h2)) {
validation = "select 1 from dual";
} else {
validation = "select 1";
}
return validation;
}
}
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