package org.argeo.cms.internal.http;
   
   import java.util.Enumeration;
   
   import javax.servlet.http.HttpServletRequest;
   
   import org.apache.commons.logging.Log;
   
   public class HttpUtils {
  	public final static String HEADER_AUTHORIZATION = "Authorization";
  	public final static String HEADER_WWW_AUTHENTICATE = "WWW-Authenticate";
  
  	public final static String DEFAULT_PROTECTED_HANDLERS = "/org/argeo/cms/internal/http/protectedHandlers.xml";
  	public final static String WEBDAV_CONFIG = "/org/argeo/cms/internal/http/webdav-config.xml";
  
  	static boolean isBrowser(String userAgent) {
  		return userAgent.contains("webkit") || userAgent.contains("gecko") || userAgent.contains("firefox")
  				|| userAgent.contains("msie") || userAgent.contains("chrome") || userAgent.contains("chromium")
  				|| userAgent.contains("opera") || userAgent.contains("browser");
  	}
  
  	public static void logRequestHeaders(Log log, HttpServletRequest request) {
  		if (!log.isDebugEnabled())
  			return;
  		for (Enumeration<String> headerNames = request.getHeaderNames(); headerNames.hasMoreElements();) {
  			String headerName = headerNames.nextElement();
  			Object headerValue = request.getHeader(headerName);
  			log.debug(headerName + ": " + headerValue);
  		}
  		log.debug(request.getRequestURI() + "\n");
  	}
  
  	public static void logRequest(Log log,HttpServletRequest request) {
  		log.debug("contextPath=" + request.getContextPath());
  		log.debug("servletPath=" + request.getServletPath());
  		log.debug("requestURI=" + request.getRequestURI());
  		log.debug("queryString=" + request.getQueryString());
  		StringBuilder buf = new StringBuilder();
  		// headers
  		Enumeration<String> en = request.getHeaderNames();
  		while (en.hasMoreElements()) {
  			String header = en.nextElement();
  			Enumeration<String> values = request.getHeaders(header);
  			while (values.hasMoreElements())
  				buf.append("  " + header + ": " + values.nextElement());
  			buf.append('\n');
  		}
  
  		// attributed
  		Enumeration<String> an = request.getAttributeNames();
  		while (an.hasMoreElements()) {
  			String attr = an.nextElement();
  			Object value = request.getAttribute(attr);
  			buf.append("  " + attr + ": " + value);
  			buf.append('\n');
  		}
  		log.debug("\n" + buf);
  	}
  
  
  	private HttpUtils() {
  
  	}
  }