Bug 214204 Only document content in document folder should be removed.[0601]
Description: Only document related content in document folder should be removed. Build number:2.3.0.v20080103 Steps to reproduce: 1. Deploy BIRT. 2. Edit web.xml to set BIRT_VIEWER_DOCUMENT_FOLDER to your local path and there are content inside the path. 3. Start server and click View Example to preview sample report. Expected result: Only content created by viewer should be removed in specified document folder. Actual result: All contents are deleted despite whether they are related with BIRT. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
protected static String convertSystemPath( String path )
	{
		if ( path == null )
			return path;
		
		Pattern p = Pattern.compile( "\\$\\s*\\{([^\\}]*)\\}\\s*(.*)", 
				Pattern.CASE_INSENSITIVE );
		Matcher m = p.matcher( path );
		if ( m.find( ) )
		{
			String sysPath = DataUtil.trimSepEnd( System.getProperty( m.group(
					1 ).trim( ) ) );
			if ( sysPath.length( ) <= 0 )
				return DataUtil.trimSepFirst( m.group( 2 ).trim( ) );
			else
				return sysPath + m.group( 2 ).trim( );
		}
		return path;
	}
	/**
	 * Process working folder setting. If path is a relative path, first
	 * relative to context.
	 * 
	 * @param context
	 * @param path
	 * @return
	 */
	public static String processWorkingFolder( ServletContext context,
			String path )
	{