content: package com.japisoft.xflows.task.concat;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.FileReader;
  import java.io.FileWriter;
  import java.io.IOException;
  
  import com.japisoft.xflows.task.TaskContext;
  import com.japisoft.xflows.task.TaskRunner;
  
  /**
  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 FileConcatRunner implements TaskRunner {
  
  	
  	private FileWriter fileWriter = null;
  	
  	public void setFileWriter( FileWriter fileWriter ) {
  		this.fileWriter = fileWriter;
  	}
  
  	public boolean run( TaskContext context ) {
  
  		File source = context.getCurrentSourceFile();
  		char[] data = new char[ ( int )source.length() ];
  
  		try {
  
  			FileReader fr = new FileReader( source );
  			try {
  				fr.read( data );
  			} finally {
  				fr.close();
  			}
  
  			boolean tagFound = false;
  			
  			// Search for the starting tag
  			for ( int i = 0; i < data.length - 1; i++ ) {
  				if ( data[ i ] == '<' && !( data[ i + 1 ] == '?' || data[ i + 1 ] == '!' ) ) {
  					fileWriter.write( data, i, data.length - i );
  					tagFound = true;
  					break;
  				}
  			}
  			
  			if ( !tagFound )
  				context.addWarning( "No tag found" );
  
  		} catch( FileNotFoundException exc ) {
  			context.addError( "Can't find " + source );
  			return ERROR;
  		} catch( IOException exc ) {
  			context.addError( "Error while reading " + 
  					source + " : " + exc.getMessage() );
  			return ERROR;
  		}
  
  		return OK;
  	}
  
  }
  