/*!
* 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.cda.writer;
import org.pentaho.reporting.engine.classic.core.ClassicEngineBoot;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.ParameterMapping;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PasswordEncryptionService;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.writer.BundleDataFactoryWriterHandler;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.writer.BundleWriterException;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.writer.BundleWriterState;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaModule;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaQueryEntry;
import org.pentaho.reporting.libraries.base.util.StringUtils;
import org.pentaho.reporting.libraries.docbundle.BundleUtilities;
import org.pentaho.reporting.libraries.docbundle.WriteableDocumentBundle;
import org.pentaho.reporting.libraries.xmlns.common.AttributeList;
import org.pentaho.reporting.libraries.xmlns.writer.DefaultTagDescription;
import org.pentaho.reporting.libraries.xmlns.writer.XmlWriter;
import org.pentaho.reporting.libraries.xmlns.writer.XmlWriterSupport;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
/**
* Creation-Date: Jan 19, 2007, 4:44:05 PM
*
* @author Thomas Morgner
*/
public class CdaDataFactoryBundleWriteHandler implements BundleDataFactoryWriterHandler {
public CdaDataFactoryBundleWriteHandler() {
}
/**
* Writes a data-source into a own file. The name of file inside the bundle is returned as string. The file name
* returned is always absolute and can be made relative by using the IOUtils of LibBase. If the writer-handler did not
* generate a file on its own, it should return null.
*
* @param bundle the bundle where to write to.
* @param rawDataFactory the data factory that should be written.
* @param state the writer state to hold the current processing information.
* @return the name of the newly generated file or null if no file was created.
* @throws IOException if any error occured
* @throws BundleWriterException if a bundle-management error occured.
*/
public String writeDataFactory( final WriteableDocumentBundle bundle,
final DataFactory rawDataFactory,
final BundleWriterState state )
throws IOException, BundleWriterException {
final String fileName = BundleUtilities.getUniqueName( bundle, state.getFileName(), "datasources/cda-ds{0}.xml" );
if ( fileName == null ) {
throw new IOException( "Unable to generate unique name for cda-Data-Source" );
}
//TODO: refactor with CdaDataFactoryWriteHandler
final OutputStream outputStream = bundle.createEntry( fileName, "text/xml" );
final DefaultTagDescription tagDescription =
new DefaultTagDescription( ClassicEngineBoot.getInstance().getGlobalConfig(), CdaModule.TAG_DEF_PREFIX );
final XmlWriter xmlWriter = new XmlWriter
( new OutputStreamWriter( outputStream, "UTF-8" ), tagDescription, " ", "\n" );
final AttributeList rootAttrs = new AttributeList();
rootAttrs.addNamespaceDeclaration( "data", CdaModule.NAMESPACE );
xmlWriter.writeTag( CdaModule.NAMESPACE, "cda-datasource", rootAttrs, XmlWriter.OPEN );
final CdaDataFactory dataFactory = (CdaDataFactory) rawDataFactory;
final AttributeList configAttrs = new AttributeList();
if ( StringUtils.isEmpty( dataFactory.getBaseUrl() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE, "base-url", dataFactory.getBaseUrl() );
}
if ( StringUtils.isEmpty( dataFactory.getBaseUrlField() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE, "base-url-field", dataFactory.getBaseUrlField() );
}
if ( StringUtils.isEmpty( dataFactory.getSolution() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE, "solution", dataFactory.getSolution() );
}
if ( StringUtils.isEmpty( dataFactory.getPath() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE, "path", dataFactory.getPath() );
}
if ( StringUtils.isEmpty( dataFactory.getFile() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE, "file", dataFactory.getFile() );
}
if ( StringUtils.isEmpty( dataFactory.getUsername() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE, "username", dataFactory.getUsername() );
}
if ( StringUtils.isEmpty( dataFactory.getPassword() ) == false ) {
configAttrs.setAttribute( CdaModule.NAMESPACE,
"password", PasswordEncryptionService.getInstance().encrypt( dataFactory.getPassword() ) );
}
configAttrs.setAttribute( CdaModule.NAMESPACE, "use-local-call", String.valueOf( dataFactory.isUseLocalCall() ) );
configAttrs.setAttribute( CdaModule.NAMESPACE, "is-sugar-mode", String.valueOf( dataFactory.isSugarMode() ) );
xmlWriter.writeTag( CdaModule.NAMESPACE, "config", configAttrs, XmlWriterSupport.CLOSE );
final String[] queryNames = dataFactory.getQueryNames();
for ( int i = 0; i < queryNames.length; i++ ) {
final String queryName = queryNames[ i ];
final CdaQueryEntry query = dataFactory.getQueryEntry( queryName );
final AttributeList queryAttr = new AttributeList();
queryAttr.setAttribute( CdaModule.NAMESPACE, "query", query.getId() );
queryAttr.setAttribute( CdaModule.NAMESPACE, "name", query.getName() );
xmlWriter.writeTag( CdaModule.NAMESPACE, "query", queryAttr, XmlWriterSupport.OPEN );
final ParameterMapping[] parameterMappings = query.getParameters();
for ( int j = 0; j < parameterMappings.length; j++ ) {
final ParameterMapping parameterMapping = parameterMappings[ j ];
final AttributeList paramAttr = new AttributeList();
paramAttr.setAttribute( CdaModule.NAMESPACE, "datarow-name", parameterMapping.getName() );
paramAttr.setAttribute( CdaModule.NAMESPACE, "variable-name", parameterMapping.getAlias() );
xmlWriter.writeTag( CdaModule.NAMESPACE, "variable", paramAttr, XmlWriterSupport.CLOSE );
}
xmlWriter.writeCloseTag();
}
xmlWriter.writeCloseTag();
xmlWriter.close();
return fileName;
}
}