Package de.businesscode.bcdui.toolbox

Class ServletUtils

  • public class ServletUtils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      ServletUtils()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      java.lang.String addParameterToURL​(java.lang.String url, java.lang.String param, java.lang.String value)
      addParameterToURL
      long computeExpirationDate​(int liveTimeInMinutes)
      computeExpirationDate
      static ServletUtils getInstance()  
      java.lang.String getSessionId​(javax.servlet.http.HttpServletRequest request)
      retrieve session id w/o forcing the session instance to be created
      boolean isAgentIE6​(java.lang.String userAgentString)
      since IE6 requires a lot of workarounds, this method can be called to determine if given User-Agent ID claims to be IE6. see also {isAgentIE6(String)
      boolean isAgentIE6​(javax.servlet.http.HttpServletRequest req)
      {isAgentIE6(String)
      boolean isFeDebug​(javax.servlet.http.HttpServletRequest request)
      tells if application is running with frontend debug enabled flag.
      java.lang.String reconstructURI​(javax.servlet.http.HttpServletRequest request)
      Method reconstructURI
      java.lang.String reconstructURL​(javax.servlet.http.HttpServletRequest request)
      reconstructURL
      void setExpirationHeader​(javax.servlet.http.HttpServletResponse response, int liveTimeInMinutes)
      setExpirationHeader
      void setExpirationHeader​(javax.servlet.http.HttpServletResponse response, long time)
      Deprecated.
      use instead public void setExpirationHeader(HttpServletResponse response, int liveTimeInMinutes)
      void setFeDebug​(javax.servlet.http.HttpServletRequest request, boolean isFeDebug)
      sets FE debug mode into session object.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ServletUtils

        public ServletUtils()

    • Method Detail

      • isFeDebug

        public boolean isFeDebug​(javax.servlet.http.HttpServletRequest request)
        tells if application is running with frontend debug enabled flag. This method is stateful on session level and stores the debug status persistenly to sessesion variable whenever status changes. Private methods shall check the debug status without it being to be stored on session please use isFeDebugStateless(HttpServletRequest instead.
        Parameters:
        request -
        Returns:

      • setFeDebug

        public void setFeDebug​(javax.servlet.http.HttpServletRequest request,
                       boolean isFeDebug)
        sets FE debug mode into session object.
        Parameters:
        request -
        isFeDebug -

      • getSessionId

        public java.lang.String getSessionId​(javax.servlet.http.HttpServletRequest request)
        retrieve session id w/o forcing the session instance to be created
        Parameters:
        request - to read session from
        Returns:
        either session id or NULL

      • reconstructURL

        public java.lang.String reconstructURL​(javax.servlet.http.HttpServletRequest request)
        reconstructURL
        Parameters:
        request -
        Returns:

      • reconstructURI

        public java.lang.String reconstructURI​(javax.servlet.http.HttpServletRequest request)
        Method reconstructURI
        Parameters:
        request -
        Returns:

      • computeExpirationDate

        public long computeExpirationDate​(int liveTimeInMinutes)
        computeExpirationDate
        Parameters:
        liveTimeInMinutes -
        Returns:

      • setExpirationHeader

        public void setExpirationHeader​(javax.servlet.http.HttpServletResponse response,
                                int liveTimeInMinutes)
        setExpirationHeader
        Parameters:
        response -
        liveTimeInMinutes -

      • setExpirationHeader

        @Deprecated
public void setExpirationHeader​(javax.servlet.http.HttpServletResponse response,
                                long time)
        Deprecated.
        use instead public void setExpirationHeader(HttpServletResponse response, int liveTimeInMinutes)
        Parameters:
        response -
        time -

      • addParameterToURL

        public java.lang.String addParameterToURL​(java.lang.String url,
                                          java.lang.String param,
                                          java.lang.String value)
        addParameterToURL
        Parameters:
        url -
        param -
        value -
        Returns:

      • isAgentIE6

        public boolean isAgentIE6​(java.lang.String userAgentString)
                   throws java.lang.NullPointerException
        since IE6 requires a lot of workarounds, this method can be called to determine if given User-Agent ID claims to be IE6. see also {isAgentIE6(String)
        Parameters:
        userAgentString - the String given by User-Agent header field
        Returns:
        true if agent appears to be IE6
        Throws:
        java.lang.NullPointerException - if userAgentString is NULL

      • isAgentIE6

        public boolean isAgentIE6​(javax.servlet.http.HttpServletRequest req)
                   throws java.lang.NullPointerException
        {isAgentIE6(String)
        Parameters:
        req -
        Returns:
        Throws:
        java.lang.NullPointerException