/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.parser;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PasswordEncryptionService;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.AbstractMDXDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.CubeFileProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.DataSourceProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.DriverDataSourceProvider;
import org.pentaho.reporting.engine.classic.extensions.datasources.mondrian.JndiDataSourceProvider;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.PropertiesReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
public class MondrianConnectionReadHandler extends AbstractXmlReadHandler {
private static final Log logger = LogFactory.getLog( MondrianConnectionReadHandler.class );
private String driverClass;
private String connectionString;
private String mondrianCubeDefinitionFile;
private String dataSourceName;
private PropertiesReadHandler propertiesReadHandler;
private String jdbcPassword;
private String jdbcPasswordField;
private String jdbcUser;
private String jdbcUserField;
private String designTimeName;
private String role;
private String roleField;
private DataSourceProviderReadHandler dataSourceProviderHandler;
private CubeFileProviderReadHandler cubeFileProviderReadHandler;
public MondrianConnectionReadHandler() {
}
public String getJdbcPassword() {
return jdbcPassword;
}
public String getJdbcUser() {
return jdbcUser;
}
public String getRole() {
return role;
}
public String getRoleField() {
return roleField;
}
public String getDesignTimeName() {
return designTimeName;
}
public CubeFileProvider getCubeFileProvider() {
if ( cubeFileProviderReadHandler != null ) {
return cubeFileProviderReadHandler.getProvider();
}
if ( mondrianCubeDefinitionFile != null ) {
// legacy report usecase
final CubeFileProvider cubeFileProvider =
ClassicEngineBoot.getInstance().getObjectFactory().get( CubeFileProvider.class );
cubeFileProvider.setDesignTimeFile( mondrianCubeDefinitionFile );
return cubeFileProvider;
}
return null;
}
public DataSourceProvider getDataSourceProvider() {
if ( dataSourceProviderHandler != null ) {
return dataSourceProviderHandler.getProvider();
}
if ( dataSourceName != null ) {
return new JndiDataSourceProvider( dataSourceName );
}
if ( connectionString != null ) {
final DriverDataSourceProvider driverDataSourceProvider = new DriverDataSourceProvider();
driverDataSourceProvider.setDriver( driverClass );
driverDataSourceProvider.setUrl( connectionString );
if ( propertiesReadHandler != null ) {
final Properties p = propertiesReadHandler.getResult();
final Iterator it = p.entrySet().iterator();
while ( it.hasNext() ) {
final Map.Entry entry = (Map.Entry) it.next();
driverDataSourceProvider.setProperty( (String) entry.getKey(), (String) entry.getValue() );
}
}
return driverDataSourceProvider;
}
return null;
}
public String getJdbcPasswordField() {
return jdbcPasswordField;
}
public String getJdbcUserField() {
return jdbcUserField;
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void startParsing( final Attributes attrs ) throws SAXException {
super.startParsing( attrs );
dataSourceName = attrs.getValue( getUri(), "datasource-name" );
connectionString = attrs.getValue( getUri(), "connection-string" );
driverClass = attrs.getValue( getUri(), "jdbc-driver" );
mondrianCubeDefinitionFile = attrs.getValue( getUri(), "mondrian-cube-definition" );
designTimeName = attrs.getValue( getUri(), "design-time-name" );
jdbcPassword = PasswordEncryptionService.getInstance().decrypt
( getRootHandler(), attrs.getValue( getUri(), "jdbc-password" ) );
jdbcPasswordField = attrs.getValue( getUri(), "jdbc-password-field" );
jdbcUser = attrs.getValue( getUri(), "jdbc-user" );
jdbcUserField = attrs.getValue( getUri(), "jdbc-user-field" );
role = attrs.getValue( getUri(), "role" );
roleField = attrs.getValue( getUri(), "role-field" );
}
/**
* Returns the handler for a child element.
*
* @param uri the URI of the namespace of the current element.
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild( final String uri,
final String tagName,
final Attributes atts ) throws SAXException {
final DataSourceProviderReadHandlerFactory dataSourceProviderReadHandlerFactory =
DataSourceProviderReadHandlerFactory.getInstance();
final XmlReadHandler dataSourceHandler = dataSourceProviderReadHandlerFactory.getHandler( uri, tagName );
if ( dataSourceHandler instanceof DataSourceProviderReadHandler ) {
dataSourceProviderHandler = (DataSourceProviderReadHandler) dataSourceHandler;
return dataSourceProviderHandler;
}
final CubeFileProviderReadHandlerFactory cubeFileProviderReadHandlerFactory =
CubeFileProviderReadHandlerFactory.getInstance();
final XmlReadHandler cubeHandler = cubeFileProviderReadHandlerFactory.getHandler( uri, tagName );
if ( cubeHandler instanceof CubeFileProviderReadHandler ) {
cubeFileProviderReadHandler = (CubeFileProviderReadHandler) cubeHandler;
return cubeFileProviderReadHandler;
}
if ( isSameNamespace( uri ) == false ) {
return null;
}
if ( "properties".equals( tagName ) ) {
propertiesReadHandler = new PropertiesReadHandler();
return propertiesReadHandler;
}
return null;
}
/**
* Done parsing.
*
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException {
if ( cubeFileProviderReadHandler != null && dataSourceProviderHandler != null ) {
return;
}
if ( cubeFileProviderReadHandler == null ) {
if ( mondrianCubeDefinitionFile == null ) {
throw new ParseException( "Mondrian-schema file is not defined.", getLocator() );
}
}
if ( dataSourceProviderHandler == null ) {
if ( dataSourceName == null && connectionString == null ) {
throw new ParseException( "No Connection Information found. This is a invalid datasource.", getLocator() );
}
}
logger.warn( "This is a obsolete modrian-datasource definition. " +
"Load and save the report in PRD-3.5 to migrate it to the final version." );
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
public Object getObject() throws SAXException {
return null;
}
public void configure( final AbstractMDXDataFactory dataFactory ) {
dataFactory.setCubeFileProvider( getCubeFileProvider() );
dataFactory.setDataSourceProvider( getDataSourceProvider() );
dataFactory.setJdbcPassword( getJdbcPassword() );
dataFactory.setJdbcUser( getJdbcUser() );
dataFactory.setJdbcPasswordField( getJdbcPasswordField() );
dataFactory.setJdbcUserField( getJdbcUserField() );
dataFactory.setRole( getRole() );
dataFactory.setRoleField( getRoleField() );
dataFactory.setDesignTimeName( getDesignTimeName() );
}
}