Package javax.servlet.http

Class HttpServletRequestWrapper

  • All Implemented Interfaces:
    HttpServletRequest, ServletRequest
    public class HttpServletRequestWrapper
extends ServletRequestWrapper
implements HttpServletRequest
    Provides a convenient implementation of the HttpServletRequest interface that can be subclassed by developers wishing to adapt the request to a Servlet. This class implements the Wrapper or Decorator pattern. Methods default to calling through to the wrapped request object.
    Since:
    v 2.3
    See Also:
    HttpServletRequest

    • Constructor Detail

      • HttpServletRequestWrapper

        public HttpServletRequestWrapper​(HttpServletRequest request)
        Constructs a request object wrapping the given request.
        Throws:
        java.lang.IllegalArgumentException - if the request is null

    • Method Detail

      • getAuthType

        public java.lang.String getAuthType()
        The default behavior of this method is to return getAuthType() on the wrapped request object.
        Specified by:
        getAuthType in interface HttpServletRequest
        Returns:
        one of the static members BASIC_AUTH, FORM_AUTH, CLIENT_CERT_AUTH, DIGEST_AUTH (suitable for == comparison) indicating the authentication scheme, or null if the request was not authenticated.

      • getCookies

        public Cookie[] getCookies()
        The default behavior of this method is to return getCookies() on the wrapped request object.
        Specified by:
        getCookies in interface HttpServletRequest
        Returns:
        an array of all the Cookies included with this request, or null if the request has no cookies

      • getDateHeader

        public long getDateHeader​(java.lang.String name)
        The default behavior of this method is to return getDateHeader(String name) on the wrapped request object.
        Specified by:
        getDateHeader in interface HttpServletRequest
        Parameters:
        name - a String specifying the name of the header
        Returns:
        a long value representing the date specified in the header expressed as the number of milliseconds since January 1, 1970 GMT, or -1 if the named header was not included with the reqest

      • getHeader

        public java.lang.String getHeader​(java.lang.String name)
        The default behavior of this method is to return getHeader(String name) on the wrapped request object.
        Specified by:
        getHeader in interface HttpServletRequest
        Parameters:
        name - a String specifying the header name
        Returns:
        a String containing the value of the requested header, or null if the request does not have a header of that name

      • getHeaders

        public java.util.Enumeration getHeaders​(java.lang.String name)
        The default behavior of this method is to return getHeaders(String name) on the wrapped request object.
        Specified by:
        getHeaders in interface HttpServletRequest
        Parameters:
        name - a String specifying the header name
        Returns:
        an Enumeration containing the values of the requested header. If the request does not have any headers of that name return an empty enumeration. If the container does not allow access to header information, return null

      • getHeaderNames

        public java.util.Enumeration getHeaderNames()
        The default behavior of this method is to return getHeaderNames() on the wrapped request object.
        Specified by:
        getHeaderNames in interface HttpServletRequest
        Returns:
        an enumeration of all the header names sent with this request; if the request has no headers, an empty enumeration; if the servlet container does not allow servlets to use this method, null

      • getIntHeader

        public int getIntHeader​(java.lang.String name)
        The default behavior of this method is to return getIntHeader(String name) on the wrapped request object.
        Specified by:
        getIntHeader in interface HttpServletRequest
        Parameters:
        name - a String specifying the name of a request header
        Returns:
        an integer expressing the value of the request header or -1 if the request doesn't have a header of this name

      • getMethod

        public java.lang.String getMethod()
        The default behavior of this method is to return getMethod() on the wrapped request object.
        Specified by:
        getMethod in interface HttpServletRequest
        Returns:
        a String specifying the name of the method with which this request was made

      • getPathInfo

        public java.lang.String getPathInfo()
        The default behavior of this method is to return getPathInfo() on the wrapped request object.
        Specified by:
        getPathInfo in interface HttpServletRequest
        Returns:
        a String, decoded by the web container, specifying extra path information that comes after the servlet path but before the query string in the request URL; or null if the URL does not have any extra path information

      • getPathTranslated

        public java.lang.String getPathTranslated()
        The default behavior of this method is to return getPathTranslated() on the wrapped request object.
        Specified by:
        getPathTranslated in interface HttpServletRequest
        Returns:
        a String specifying the real path, or null if the URL does not have any extra path information

      • getContextPath

        public java.lang.String getContextPath()
        The default behavior of this method is to return getContextPath() on the wrapped request object.
        Specified by:
        getContextPath in interface HttpServletRequest
        Returns:
        a String specifying the portion of the request URI that indicates the context of the request

      • getQueryString

        public java.lang.String getQueryString()
        The default behavior of this method is to return getQueryString() on the wrapped request object.
        Specified by:
        getQueryString in interface HttpServletRequest
        Returns:
        a String containing the query string or null if the URL contains no query string. The value is not decoded by the container.

      • getRemoteUser

        public java.lang.String getRemoteUser()
        The default behavior of this method is to return getRemoteUser() on the wrapped request object.
        Specified by:
        getRemoteUser in interface HttpServletRequest
        Returns:
        a String specifying the login of the user making this request, or null

      • isUserInRole

        public boolean isUserInRole​(java.lang.String role)
        The default behavior of this method is to return isUserInRole(String role) on the wrapped request object.
        Specified by:
        isUserInRole in interface HttpServletRequest
        Parameters:
        role - a String specifying the name of the role
        Returns:
        a boolean indicating whether the user making this request belongs to a given role; false if the user has not been authenticated

      • getUserPrincipal

        public java.security.Principal getUserPrincipal()
        The default behavior of this method is to return getUserPrincipal() on the wrapped request object.
        Specified by:
        getUserPrincipal in interface HttpServletRequest
        Returns:
        a java.security.Principal containing the name of the user making this request; null if the user has not been authenticated

      • getRequestURL

        public java.lang.StringBuffer getRequestURL()
        The default behavior of this method is to return getRequestURL() on the wrapped request object.
        Specified by:
        getRequestURL in interface HttpServletRequest
        Returns:
        a StringBuffer object containing the reconstructed URL

      • getServletPath

        public java.lang.String getServletPath()
        The default behavior of this method is to return getServletPath() on the wrapped request object.
        Specified by:
        getServletPath in interface HttpServletRequest
        Returns:
        a String containing the name or path of the servlet being called, as specified in the request URL, decoded.

      • getSession

        public HttpSession getSession​(boolean create)
        The default behavior of this method is to return getSession(boolean create) on the wrapped request object.
        Specified by:
        getSession in interface HttpServletRequest
        Returns:
        the HttpSession associated with this request or null if create is false and the request has no valid session
        See Also:
        HttpServletRequest.getSession()

      • isRequestedSessionIdFromUrl

        public boolean isRequestedSessionIdFromUrl()
        The default behavior of this method is to return isRequestedSessionIdFromUrl() on the wrapped request object.
        Specified by:
        isRequestedSessionIdFromUrl in interface HttpServletRequest