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			String nameWorldFile = f.getPath().substring(0, f.getPath().lastIndexOf(".")) + GeoUtils.getWorldFileExtensionFromFileName(file);

	/*private String getExtensionWorldFile(String file){

	}*/

import java.io.BufferedReader;

import java.io.FileReader;

    public static String fileBackup(String fName){ 

    	File inFile = new File(fName);

    	if(!inFile.exists())

    		return null;

    	File backupFile = new File(fName +"~");

    		backupFile = new File(fName + "~"+nBackupFile);

    		System.err.print("RMF Backup: File not found, "+fName);

    		return null;

    		System.err.print("RMF Backup: IOException, "+fName);

    		return null;

    	return backupFile.getAbsolutePath();

    /**

     * A partir de una extensi?n de fichero devuelve la extensi?n del fichero 

     * WorldFile que le corresponde.

     * @param fileExtension Extensi?n del fichero

     * @return Extensi?n del fichero de georreferenciaci?n

     */

    public static String getWorldFileExtension(String ext){

    	String extWorldFile = ".wld";

    	if(ext.equals("tif") || ext.equals("tiff"))

    		extWorldFile = ".tfw";

    	if(ext.equals("jpeg") || ext.equals("jpg"))

    		extWorldFile = ".jgw";

    	if(ext.equals("gif"))

    		extWorldFile = ".gfw";

    	if(ext.equals("png"))

    		extWorldFile = ".pgw";

    	return extWorldFile;

    }

    /**

     * A partir de un nombre de fichero devuelve la extensi?n del fichero 

     * WorldFile que le corresponde.

     * @param file Nombre del fichero

     * @return Extensi?n del fichero de georreferenciaci?n

     */

    public static String getWorldFileExtensionFromFileName(String file){

    	String ext = file.substring(file.lastIndexOf(".") + 1).toLowerCase();

    	return GeoUtils.getWorldFileExtension(ext);

    }

	/**

	 * Obtiene la codificaci?n del fichero XML

	 * @param file Nombre del fichero XML

	 * @return Codificaci?n

	 */

	public static String readFileEncoding(String file){

		FileReader fr;

		String encoding = null;

		try

    	{

			fr = new FileReader(file);

    		BufferedReader br = new BufferedReader(fr);

    		char[] buffer = new char[100];

    		br.read(buffer);

    		StringBuffer st = new StringBuffer(new String(buffer));

    		String searchText = "encoding=\"";

    		int index = st.indexOf(searchText);

    		if (index>-1) {

    			st.delete(0, index+searchText.length());

    			encoding = st.substring(0, st.indexOf("\""));

    		}

    		fr.close();

    	} catch(FileNotFoundException ex)	{

    		ex.printStackTrace();

    	} catch (IOException e) {

			e.printStackTrace();

		}

    	return encoding;

	}

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.UnsupportedEncodingException;

                } else {                	

                		//Antes de crear la capa si tiene georreferenciaci?n por .rmf la reseteamos

                		if(!this.getCbUseGeoref().isSelected())

                			removeGeoref(fName);

	 * Elimina la georrefenciaci?n externa de la imagen antes de comenzar a georreferenciar

	 * @param fName Nombre del fichero a georreferenciar.

	 */

	private void removeGeoref(String fName){

		String rmf = fName.substring(0, fName.lastIndexOf(".")) + ".rmf";

		File file = new File(rmf);

		String ext = fName.substring(fName.lastIndexOf(".") + 1, fName.length());

		//Hacemos un backup del fichero RMF 

		String backupRmf = GeoUtils.fileBackup(rmf);

		File backupFile = new File(backupRmf);

		//Eliminamos el fichero rmf y lo volvemos a crear sin la informaci?n de georreferenciaci?n

		if(file.exists()){

			file.delete();

			try{

				file.createNewFile();

				String encoding = GeoUtils.readFileEncoding(backupRmf);

				FileInputStream fis = new FileInputStream(backupRmf);

				BufferedReader inReader = null;

				BufferedWriter outWriter = null;

				if(encoding != null)

					inReader = new BufferedReader(new InputStreamReader(fis, encoding));

				else

					inReader = new BufferedReader(new InputStreamReader(fis, "ISO-8859-15"));

				outWriter = new BufferedWriter(new FileWriter(file, false));

			    String line = null;

			    boolean write = true;

				while((line = inReader.readLine()) != null) {

					if(line.startsWith("<FLyrGeoRaster "))

						write = false;

					if(write)

						outWriter.write(line+"\n");

					if(line.startsWith("</FLyrGeoRaster>"))

						write = true;

				}

				inReader.close();

				outWriter.close();

	    	}catch(FileNotFoundException exc){

	    		System.err.print("RMF Backup: File not found, "+fName);

	    		return;

	    	}catch(IOException exc){

	    		System.err.print("RMF Backup: IOException, "+fName);

	    		return;

	    	} 

		}

		//Si tiene worldfile lo renombramos

		String georef = fName.substring(0, fName.lastIndexOf(".")) + GeoUtils.getWorldFileExtensionFromFileName(fName);

		File worldFile = new File(georef);

		if(worldFile.exists()){

			GeoUtils.fileBackup(georef);

			worldFile.delete();

		}

	}

	/**

import javax.swing.JToggleButton;

import javax.swing.JToggleButton;

import javax.swing.JToggleButton;