package org.pentaho.platform.plugin.services.importer.mimeType;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.platform.api.repository2.unified.Converter;
import org.pentaho.platform.engine.core.system.PentahoSystem;
import org.pentaho.platform.plugin.services.importer.mimeType.bindings.ImportHandlerDto;
import org.pentaho.platform.plugin.services.importer.mimeType.bindings.ImportHandlerMimeTypeDefinitionsDto;
import org.pentaho.platform.plugin.services.importer.mimeType.bindings.MimeTypeDefinitionDto;
public class MimeTypeListFactory {
private static final Log log = LogFactory.getLog( MimeTypeListFactory.class );
private ImportHandlerMimeTypeDefinitionsDto importHandlerMimeTypeDefinitions;
MimeTypeListFactory( String sourceFile ) {
String fullPath = PentahoSystem.getApplicationContext().getSolutionPath( "" ) + sourceFile;
FileInputStream inputStream = null;
try {
inputStream = new FileInputStream( fullPath );
importHandlerMimeTypeDefinitions = fromXml( inputStream );
} catch ( FileNotFoundException e ) {
log.error( "ImportHandlerMimeTypeDefinition File \"" + fullPath + "\" not found", e );
} catch ( JAXBException e ) {
log.error( "Could not marshal the ImportHandlerMimeTypeDefinition file \"" + fullPath + "\"", e );
} finally {
if ( inputStream != null ) {
try {
inputStream.close();
} catch ( Exception e ) {
log.error( e );
}
}
}
}
private ImportHandlerMimeTypeDefinitionsDto fromXml( FileInputStream input ) throws JAXBException {
JAXBContext jc = JAXBContext.newInstance( "org.pentaho.platform.plugin.services.importer.mimeType.bindings" );
Unmarshaller u = jc.createUnmarshaller();
JAXBElement<ImportHandlerMimeTypeDefinitionsDto> o = (JAXBElement) ( u.unmarshal( input ) );
ImportHandlerMimeTypeDefinitionsDto mimeTypeDefinitions = o.getValue();
return mimeTypeDefinitions;
}
public List<MimeType> createMimeTypeList( String handlerClass ) {
List<MimeType> mimeTypeList = new ArrayList<MimeType>();
for ( ImportHandlerDto importHandler : importHandlerMimeTypeDefinitions.getImportHandler() ) {
if ( importHandler.getClazz().equals( handlerClass ) ) {
for ( MimeTypeDefinitionDto mimeTypeDef : importHandler.getMimeTypeDefinitions().getMimeTypeDefinition() ) {
MimeType mimeType = new MimeType( mimeTypeDef.getMimeType(), mimeTypeDef.getExtension() );
mimeType.setHidden( mimeTypeDef.isHidden() );
mimeType.setLocale( mimeTypeDef.isLocale() );
Converter converter = null;
String converterBeanName = mimeTypeDef.getConverter() != null && !mimeTypeDef.getConverter().isEmpty()
? mimeTypeDef.getConverter() : "streamConverter";
converter = PentahoSystem.get( Converter.class, /*session*/ null, Collections.singletonMap( "name", converterBeanName ) );
if ( converter == null ) {
log.error( "Could not find converter class \"" + converterBeanName + "\" for mimeType \""
+ mimeTypeDef.getMimeType() + "\" in import handler " + handlerClass );
}
mimeType.setConverter( converter );
mimeTypeList.add( mimeType );
}
}
}
return mimeTypeList;
}
}