gistfile1.txt

	private boolean replaceLocalFilePath(String relativeUrl, String localfilePath) {
		
		boolean urlMatchFound = false;
		String PATTERN = relativeUrl;
		Pattern addressPattern = Pattern.compile(PATTERN, Pattern.CASE_INSENSITIVE);
		Matcher matcher = addressPattern.matcher(downloadedData.toString());
		int count = 0;
		// Find the number of occurrences of relative url is found in html.
		while (matcher.find()) {
			count++;
		}
		
		//Loop over downloaded html to find the occurrences of relativeUrl.
		//Get the start and end position of relativeUrl and go reverse and 
		//find the starting position of the url. Use url starting position to replace
		//with local file path.
		for( int i = 0; i < count; i++) {
			matcher = addressPattern.matcher(downloadedData.toString());
			matcher.find();
			int start = matcher.start();
			int end = matcher.end();

			int urlStartPosition = downloadedData.toString().lastIndexOf("http", start);
			if (urlStartPosition == 0) {
				urlStartPosition = downloadedData.toString().lastIndexOf("https", start);
			}
			
			if ( urlStartPosition >= 0) {
				urlMatchFound = true;
				downloadedData.delete(urlStartPosition, end);
				downloadedData.insert(urlStartPosition, localfilePath);
			}			
		}