Extract file name (without path and suffix) from file name with path and suffix : Path « File Input Output « Java

Extract file name (without path and suffix) from file name with path and suffix


 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * Contributors:
 *  Actuate Corporation  - initial API and implementation

 * Collection of string utilities.

public class StringUtil
   * Extract file name (without path and suffix) from file name with path and
   * suffix.
   * <p>
   * For example:
   * <p>
   * <ul>
   * <li>"c:\home\abc.xml" => "abc"
   * <li>"c:\home\abc" => "abc"
   * <li>"/home/user/abc.xml" => "abc"
   * <li>"/home/user/abc" => "abc"
   * </ul>
   * @param filePathName
   *            the file name with path and suffix
   * @return the file name without path and suffix

  public static String extractFileName( String filePathName )
    if ( filePathName == null )
      return null;

    int dotPos = filePathName.lastIndexOf( '.' );
    int slashPos = filePathName.lastIndexOf( '\\' );
    if ( slashPos == -1 )
      slashPos = filePathName.lastIndexOf( '/' );

    if ( dotPos > slashPos )
      return filePathName.substring( slashPos > 0 ? slashPos + 1 : 0,
          dotPos );

    return filePathName.substring( slashPos > 0 ? slashPos + 1 : 0 );



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