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* Copyright 2008 by Sun Microsystems, Inc.
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* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: HsqlDatabase.java,v $
* $Revision: 1.4.50.2 $
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package connectivity.tools;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
import com.sun.star.container.ElementExistException;
import com.sun.star.frame.XStorable;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.sdb.XOfficeDatabaseDocument;
import com.sun.star.sdbc.SQLException;
import com.sun.star.sdbcx.XAppend;
import com.sun.star.sdbcx.XTablesSupplier;
import com.sun.star.uno.UnoRuntime;
import helper.URLHelper;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;
import java.io.File;
/**
*
* @author fs93730
*/
public class HsqlDatabase extends AbstractDatabase
{
// --------------------------------------------------------------------------------------------------------
public HsqlDatabase(final XMultiServiceFactory orb) throws Exception
{
super(orb);
createDBDocument();
}
// --------------------------------------------------------------------------------------------------------
public HsqlDatabase(final XMultiServiceFactory orb, final String _existingDocumentURL) throws Exception
{
super(orb, _existingDocumentURL);
}
/** creates an empty database document in a temporary location
*/
private void createDBDocument() throws Exception
{
final File documentFile = File.createTempFile("testdb", ".odb");
documentFile.deleteOnExit();
m_databaseDocumentFile = URLHelper.getFileURLFromSystemPath(documentFile);
m_databaseDocument = (XOfficeDatabaseDocument) UnoRuntime.queryInterface(
XOfficeDatabaseDocument.class, m_orb.createInstance("com.sun.star.sdb.OfficeDatabaseDocument"));
m_dataSource = new DataSource(m_orb, m_databaseDocument.getDataSource());
final XPropertySet dsProperties = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, m_databaseDocument.getDataSource());
dsProperties.setPropertyValue("URL", "sdbc:embedded:hsqldb");
final XStorable storable = (XStorable) UnoRuntime.queryInterface(XStorable.class, m_databaseDocument);
storable.storeAsURL(m_databaseDocumentFile, new PropertyValue[]
{
});
}
/** drops the table with a given name
@param _name
the name of the table to drop
@param _ifExists
TRUE if it should be dropped only when it exists.
*/
public void dropTable(final String _name, final boolean _ifExists) throws SQLException
{
final StringBuffer dropStatement = new StringBuffer("DROP TABLE \"");
dropStatement.append(_name);
if (_ifExists)
{
dropStatement.append("\" IF EXISTS");
}
executeSQL(dropStatement.toString());
}
public void createTable(final HsqlTableDescriptor _tableDesc, final boolean _dropIfExists) throws SQLException
{
if (_dropIfExists)
{
dropTable(_tableDesc.getName(), true);
}
createTable(_tableDesc);
}
/** creates a table
*/
public void createTable(final HsqlTableDescriptor _tableDesc) throws SQLException
{
StringBuffer createStatement = new StringBuffer("CREATE CACHED TABLE \"");
createStatement.append(_tableDesc.getName());
createStatement.append("\" ( ");
String primaryKeyList = "";
final HashMap foreignKeys = new HashMap();
final HashMap foreignKeyRefs = new HashMap();
final HsqlColumnDescriptor[] columns = _tableDesc.getColumns();
for (int i = 0; i < columns.length; ++i)
{
if (i > 0)
{
createStatement.append(", ");
}
createStatement.append("\"" + columns[i].getName());
createStatement.append("\" " + columns[i].getTypeName());
if (columns[i].isRequired())
{
createStatement.append(" NOT NULL");
}
if (columns[i].isPrimaryKey())
{
if (primaryKeyList.length() > 0)
{
primaryKeyList += ", ";
}
primaryKeyList += "\"" + columns[i].getName() + "\"";
}
if (columns[i].isForeignKey())
{
final String foreignTable = columns[i].getForeignTable();
String foreignKeysForTable = foreignKeys.containsKey(foreignTable) ? (String) foreignKeys.get(foreignTable) : "";
if (foreignKeysForTable.length() > 0)
{
foreignKeysForTable += ", ";
}
foreignKeysForTable += "\"" + columns[i].getName() + "\"";
foreignKeys.put(foreignTable, foreignKeysForTable);
final StringBuffer foreignKeyRefsForTable = new StringBuffer(foreignKeyRefs.containsKey(foreignTable) ? (String) foreignKeyRefs.get(foreignTable) : "");
if (foreignKeyRefsForTable.length() > 0)
{
foreignKeyRefsForTable.append(", ");
}
foreignKeyRefsForTable.append("\"" + columns[i].getForeignColumn() + "\"");
foreignKeyRefs.put(foreignTable, foreignKeyRefsForTable.toString());
}
}
if (primaryKeyList.length() > 0)
{
createStatement.append(", PRIMARY KEY (");
createStatement.append(primaryKeyList);
createStatement.append(')');
}
final Set foreignKeyTables = foreignKeys.keySet();
for (final Iterator foreignKey = foreignKeyTables.iterator();
foreignKey.hasNext();)
{
final String foreignTable = (String) foreignKey.next();
createStatement.append(", FOREIGN KEY (");
createStatement.append((String) foreignKeys.get(foreignTable));
createStatement.append(") REFERENCES \"");
createStatement.append(foreignTable);
createStatement.append("\"(");
createStatement.append((String) foreignKeyRefs.get(foreignTable));
createStatement.append(')');
}
createStatement.append(')');
//System.err.println( createStatement );
executeSQL(createStatement.toString());
}
/** creates a table in the database. using the SDBCX-API
*/
public void createTableInSDBCX(final HsqlTableDescriptor _tableDesc) throws SQLException, ElementExistException
{
final XPropertySet sdbcxDescriptor = _tableDesc.createSdbcxDescriptor(defaultConnection());
final XTablesSupplier suppTables = (XTablesSupplier) UnoRuntime.queryInterface(
XTablesSupplier.class, defaultConnection());
final XAppend appendTable = (XAppend) UnoRuntime.queryInterface(
XAppend.class, suppTables.getTables());
appendTable.appendByDescriptor(sdbcxDescriptor);
}
}