/*
* Copyright 2012 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.workbench.screens.globals.backend.server;
import java.io.ByteArrayInputStream;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Event;
import javax.inject.Inject;
import javax.inject.Named;
import org.drools.workbench.models.datamodel.oracle.ProjectDataModelOracle;
import org.drools.workbench.screens.globals.backend.server.util.GlobalsPersistence;
import org.drools.workbench.screens.globals.model.GlobalsEditorContent;
import org.drools.workbench.screens.globals.model.GlobalsModel;
import org.drools.workbench.screens.globals.service.GlobalsEditorService;
import org.guvnor.common.services.backend.exceptions.ExceptionUtilities;
import org.guvnor.common.services.backend.file.JavaFileFilter;
import org.guvnor.common.services.backend.validation.GenericValidator;
import org.guvnor.common.services.project.builder.events.InvalidateDMOPackageCacheEvent;
import org.guvnor.common.services.project.model.Package;
import org.guvnor.common.services.project.service.ProjectService;
import org.guvnor.common.services.shared.file.CopyService;
import org.guvnor.common.services.shared.file.DeleteService;
import org.guvnor.common.services.shared.file.RenameService;
import org.guvnor.common.services.shared.metadata.MetadataService;
import org.guvnor.common.services.shared.metadata.model.Metadata;
import org.guvnor.common.services.shared.validation.model.ValidationMessage;
import org.jboss.errai.bus.server.annotations.Service;
import org.uberfire.io.IOService;
import org.uberfire.java.nio.base.options.CommentedOption;
import org.kie.workbench.common.services.backend.source.SourceServices;
import org.kie.workbench.common.services.datamodel.backend.server.DataModelOracleUtilities;
import org.kie.workbench.common.services.datamodel.backend.server.service.DataModelService;
import org.uberfire.backend.server.util.Paths;
import org.uberfire.backend.vfs.Path;
import org.uberfire.rpc.SessionInfo;
import org.uberfire.security.Identity;
import org.uberfire.workbench.events.ResourceOpenedEvent;
@Service
@ApplicationScoped
public class GlobalsEditorServiceImpl implements GlobalsEditorService {
private static final JavaFileFilter FILTER_JAVA = new JavaFileFilter();
@Inject
@Named("ioStrategy")
private IOService ioService;
@Inject
private MetadataService metadataService;
@Inject
private CopyService copyService;
@Inject
private DeleteService deleteService;
@Inject
private RenameService renameService;
@Inject
private Event<InvalidateDMOPackageCacheEvent> invalidatePackageDMOEvent;
@Inject
private Event<ResourceOpenedEvent> resourceOpenedEvent;
@Inject
private Identity identity;
@Inject
private SessionInfo sessionInfo;
@Inject
private DataModelService dataModelService;
@Inject
private SourceServices sourceServices;
@Inject
private ProjectService projectService;
@Inject
private GenericValidator genericValidator;
@Override
public Path create( final Path context,
final String fileName,
final GlobalsModel content,
final String comment ) {
try {
final Package pkg = projectService.resolvePackage( context );
final String packageName = ( pkg == null ? null : pkg.getPackageName() );
content.setPackageName( packageName );
final org.uberfire.java.nio.file.Path nioPath = Paths.convert( context ).resolve( fileName );
final Path newPath = Paths.convert( nioPath );
ioService.createFile( nioPath );
ioService.write( nioPath,
GlobalsPersistence.getInstance().marshal( content ),
makeCommentedOption( comment ) );
return newPath;
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public GlobalsModel load( final Path path ) {
try {
final String content = ioService.readAllString( Paths.convert( path ) );
//Signal opening to interested parties
resourceOpenedEvent.fire( new ResourceOpenedEvent( path,
sessionInfo ) );
return GlobalsPersistence.getInstance().unmarshal( content );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public GlobalsEditorContent loadContent( final Path path ) {
try {
//De-serialize model
final GlobalsModel model = load( path );
final ProjectDataModelOracle oracle = dataModelService.getProjectDataModel( path );
final String[] fullyQualifiedClassNames = DataModelOracleUtilities.getFactTypes( oracle );
return new GlobalsEditorContent( model,
Arrays.asList( fullyQualifiedClassNames ) );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public Path save( final Path resource,
final GlobalsModel content,
final Metadata metadata,
final String comment ) {
try {
final Package pkg = projectService.resolvePackage( resource );
final String packageName = ( pkg == null ? null : pkg.getPackageName() );
content.setPackageName( packageName );
ioService.write( Paths.convert( resource ),
GlobalsPersistence.getInstance().marshal( content ),
metadataService.setUpAttributes( resource,
metadata ),
makeCommentedOption( comment ) );
//Invalidate Package-level DMO cache as Globals have changed.
invalidatePackageDMOEvent.fire( new InvalidateDMOPackageCacheEvent( resource ) );
return resource;
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public void delete( final Path path,
final String comment ) {
try {
deleteService.delete( path,
comment );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public Path rename( final Path path,
final String newName,
final String comment ) {
try {
return renameService.rename( path,
newName,
comment );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public Path copy( final Path path,
final String newName,
final String comment ) {
try {
return copyService.copy( path,
newName,
comment );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public String toSource( final Path path,
final GlobalsModel model ) {
try {
return sourceServices.getServiceFor( Paths.convert( path ) ).getSource( Paths.convert( path ),
GlobalsPersistence.getInstance().marshal( model ) );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
@Override
public List<ValidationMessage> validate( final Path path,
final GlobalsModel content ) {
try {
return genericValidator.validate( path,
new ByteArrayInputStream( GlobalsPersistence.getInstance().marshal( content ).getBytes() ),
FILTER_JAVA );
} catch ( Exception e ) {
throw ExceptionUtilities.handleException( e );
}
}
private CommentedOption makeCommentedOption( final String commitMessage ) {
final String name = identity.getName();
final Date when = new Date();
final CommentedOption co = new CommentedOption( sessionInfo.getId(),
name,
null,
commitMessage,
when );
return co;
}
}