content: package com.japisoft.xflows.task.concat;
  
  import java.io.File;
  import java.io.FileWriter;
  import java.io.IOException;
  
  import com.japisoft.xflows.task.FilesTaskRunner;
  import com.japisoft.xflows.task.TaskContext;
  
  /**
  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 ConcatRunner extends FilesTaskRunner {
  
  
  	public ConcatRunner() {
  		super( new FileConcatRunner(), true );
  		fileTarget = true;
  		defaultProcessingLog = true;
  	}
  
  	public boolean run(TaskContext context) {
  		
  		if ( !context.hasParam( ConcatUI.ROOTTAG ) ) {
  			context.addError( "No root tag" );
  			return ERROR;
  		}
  
  		String target = context.getParam( ConcatUI.TARGETPATH );
  		if ( target == null || 
  				"".equals( target ) ) {
  			context.addError( "No target file" );
  			return ERROR;
  		}
  
  		try {
  
  			FileWriter fw = new FileWriter( target );
  			( ( FileConcatRunner )monoTask ).setFileWriter( fw );
  			
  			fw.write( "<?xml version=\"1.0\"?>\n" );
  			fw.write( "<");
  			fw.write( context.getParam( ConcatUI.ROOTTAG ) );
  			fw.write( ">\n" );
  
  			boolean ok = super.run( context );			
  
  			fw.write( "\n</");
  			fw.write( context.getParam( ConcatUI.ROOTTAG ) );
  			fw.write( ">" );
  
  			try {
  				fw.close();
  			} catch( IOException exc ) {
  				context.addError( "Can't close " + target );
  				return ERROR;
  			}
  			if ( ok == ERROR ) {
  				new File( target ).delete();
  				return ERROR;
  			}
  			return OK;
  		} catch( IOException exc ) {
  			context.addError( "Error while writing on " + target + ":" + exc.getMessage() );
  			return ERROR;
  		}
  
  	}	
  
  }
  