Bug 176786 Issue when use ${env.working.folder} as context path.[0601]
Description: Issue when use ${env.working.folder} as context path Build number:2.2.0.v20070308 Steps to reproduce: 1. Add environment variable as below: env.working.folder(D:\temp\working_folder) env.document.folder (D:\temp\document_folder) env.image.folder(D:\temp\image_folder) 2. Deploy WebViewerExample folder in Tomcat5.5.7 2. Set context parameter as attached with form like ${env.working.folder}. 3. Start Server Expected result: Content inside WebViewerExample folder is untouched. Actual result: After server is started, refresh and check the WebViewerExample folder. Only webcontent and WEB-INF folders are left, other folders and two sample reports disappear. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
realPath = path;
		}
		
		makeDir( realPath );
		return trimSep( realPath );
	}
	/**
	 * Process folder settings with absolute path. If path is a relative path,
	 * first relative to context. If set canWrite to true, then check the folder
	 * if writable.If not, relative to ${java.io.tmpdir} folder.
	 * 
	 * @param context
	 * @param path
	 * @param defaultPath
	 * @param canWrite
	 * @return
	 */
	public static String processRealPath( ServletContext context, String path,
			String defaultPath, boolean canWrite )
	{
		String realPath = null;
		boolean isRelative = false;
		
		if ( path == null || path.trim( ).length( ) <= 0 )
		{
			path = DataUtil.trimString( defaultPath );
		}
		path = convertSystemPath( path );