content: package com.japisoft.xflows.task.delete;
  
  import java.util.List;
  import java.util.regex.PatternSyntaxException;
  
  import com.japisoft.datasource.DataSource;
  import com.japisoft.datasource.DataSourceContainer;
  import com.japisoft.datasource.DataSourceContainerProxy;
  import com.japisoft.datasource.DataSourceItem;
  import com.japisoft.datasource.DataSourceManager;
  import com.japisoft.xflows.task.TaskContext;
  import com.japisoft.xflows.task.TaskRunner;
  import com.japisoft.xflows.task.copy.CopyUI;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  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 General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class DeleteRunner implements TaskRunner {
  
  	public boolean run(TaskContext context) {
  
  		if ( !context.hasParam( CopyUI.SOURCEPATH ) ) {
  			context.addError( "No source path found" );
  			return ERROR;
  		}
  
  		DataSourceContainer dsc = DataSourceManager.getDataSourceContainer( context
  				.getParam(CopyUI.SOURCEPATH) );
  
  		if (dsc == null)
  			return ERROR;
  
  		if ( context.hasParam( CopyUI.SOURCEFILTER ) ) {
  			dsc = new DataSourceContainerProxy( dsc, context
  					.getParam(CopyUI.SOURCEFILTER));
  		}				
  
  		try {
  			
  			List<DataSource> l = dsc.list();
  
  			for (int i = 0; i < l.size(); i++) {
  
  				DataSource ds = l.get( i );
  
  				if ( ds instanceof DataSourceItem ) {
  
  					((DataSourceItem) ds).delete();
  					
  				}
  				
  			}
  			
  		} catch (PatternSyntaxException exc) {
  			context.addError("Wrong source filter "
  					+ context.getParam(CopyUI.SOURCEFILTER) + " : "
  					+ exc.getMessage());
  		} catch( Exception exc ) {
  			context.addError( "Can't delete " + exc.getMessage() );
  		}
  		
  		return OK;
  	}
  
  }
  