Bug 154325 Use input absolute path as the parameter in error message
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
return documentPath;
	}
	/**
	 * make sure the project name is a valid folder name. If the name contains
	 * ":", remove it. If the project name does not start with "\" or "/", add
	 * the file separator at the beginning of the name. If the project name is
	 * null, just return it.
	 * 
	 * @param projectName
	 * @return
	 */
	private static String validateProjectName( String projectName )
	{
		if ( projectName == null )
			return projectName;
		if ( projectName.indexOf( ":" ) != -1 )
			projectName = projectName.substring( 0, projectName.indexOf( ":" ) );
		if ( !"\\".equals( projectName.substring( 0, 1 ) )
				&& !"/".equals( projectName.substring( 0, 1 ) ) )
		{
			projectName = File.separator + projectName;
		}
		return projectName;
	}
	/**
	 * Clears the report document files which had been created last time the
	 * server starts up.
	 */
	protected static void clearDocuments( )
	{