Interface ResponseAdapter

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void addHeader​(java.lang.String name, java.lang.String value)
      Add the given single header value to the current list of values for the given header.
      boolean containsHeader​(java.lang.String name)
      Returns a boolean indicating whether the named response header has already been set.
      void flush()
      Forces any content in the buffer to be written to the client.
      <T> T getAdaptee()
      Returns the adaptee object to provide response information.
      java.lang.String getContentType()
      Returns the content type used for the MIME body sent in this response.
      java.lang.String getEncoding()
      Returns the name of the character encoding (MIME charset) used for the body sent in this response.
      java.lang.String getHeader​(java.lang.String name)
      Returns the value of the response header with the given name.
      java.util.Collection<java.lang.String> getHeaderNames()
      Returns the names of the headers of this response.
      java.util.Collection<java.lang.String> getHeaders​(java.lang.String name)
      Returns the values of the response header with the given name.
      java.io.OutputStream getOutputStream()
      Returns a OutputStream suitable for writing binary data in the response.
      int getStatus()
      Returns the status code.
      java.io.Writer getWriter()
      Returns a Writer object that can send character text to the client.
      java.lang.String redirect​(RedirectRule redirectRule)
      Redirects a client to a new URL.
      void redirect​(java.lang.String path)
      Redirects a client to a new URL.
      void setContentType​(java.lang.String contentType)
      Sets the content type of the response being sent to the client, if the response has not been committed yet.
      void setEncoding​(java.lang.String encoding)
      Sets the character encoding of the response being sent to the client.
      void setHeader​(java.lang.String name, java.lang.String value)
      Set the given single header value under the given header name.
      void setStatus​(int status)
      Sets the status code.
    • Method Detail

      • getAdaptee

        <T> T getAdaptee()
        Returns the adaptee object to provide response information.
        Type Parameters:
        T - the type of the adaptee object
        Returns:
        the adaptee object
      • getHeader

        java.lang.String getHeader​(java.lang.String name)
        Returns the value of the response header with the given name.

        If a response header with the given name exists and contains multiple values, the value that was added first will be returned.

        Parameters:
        name - the name of the response header whose value to return
        Returns:
        the value of the response header with the given name, or null if no header with the given name has been set on this response
      • getHeaders

        java.util.Collection<java.lang.String> getHeaders​(java.lang.String name)
        Returns the values of the response header with the given name.
        Parameters:
        name - the name of the response header whose values to return
        Returns:
        a (possibly empty) Collection of the values of the response header with the given name
      • getHeaderNames

        java.util.Collection<java.lang.String> getHeaderNames()
        Returns the names of the headers of this response.
        Returns:
        a (possibly empty) Collection of the names of the headers of this response
      • containsHeader

        boolean containsHeader​(java.lang.String name)
        Returns a boolean indicating whether the named response header has already been set.
        Parameters:
        name - the header name
        Returns:
        true if the named response header has already been set; false otherwise
      • setHeader

        void setHeader​(java.lang.String name,
                       java.lang.String value)
        Set the given single header value under the given header name. If the header had already been set, the new value overwrites the previous one.
        Parameters:
        name - the header name
        value - the header value to set
      • addHeader

        void addHeader​(java.lang.String name,
                       java.lang.String value)
        Add the given single header value to the current list of values for the given header.
        Parameters:
        name - the header name
        value - the header value to be added
      • getEncoding

        java.lang.String getEncoding()
        Returns the name of the character encoding (MIME charset) used for the body sent in this response.
        Returns:
        a String specifying the name of the character encoding, for example, UTF-8
      • setEncoding

        void setEncoding​(java.lang.String encoding)
                  throws java.io.UnsupportedEncodingException
        Sets the character encoding of the response being sent to the client.
        Parameters:
        encoding - a String specifying only the character set defined by IANA Character Sets (http://www.iana.org/assignments/character-sets)
        Throws:
        java.io.UnsupportedEncodingException - if character encoding is not supported
      • getContentType

        java.lang.String getContentType()
        Returns the content type used for the MIME body sent in this response.
        Returns:
        a String specifying the content type, for example, text/html, or null
      • setContentType

        void setContentType​(java.lang.String contentType)
        Sets the content type of the response being sent to the client, if the response has not been committed yet.
        Parameters:
        contentType - a String specifying the MIME type of the content
      • getOutputStream

        java.io.OutputStream getOutputStream()
                                      throws java.io.IOException
        Returns a OutputStream suitable for writing binary data in the response.
        Returns:
        a OutputStream for writing binary data
        Throws:
        java.io.IOException - if an input or output exception occurs
      • getWriter

        java.io.Writer getWriter()
                          throws java.io.IOException
        Returns a Writer object that can send character text to the client.
        Returns:
        a Writer object that can return character data to the client
        Throws:
        java.io.IOException - if an input or output exception occurs
      • flush

        void flush()
            throws java.io.IOException
        Forces any content in the buffer to be written to the client.
        Throws:
        java.io.IOException - if an input or output exception occurs
      • redirect

        void redirect​(java.lang.String path)
               throws java.io.IOException
        Redirects a client to a new URL.
        Parameters:
        path - the redirect path
        Throws:
        java.io.IOException - if an input or output exception occurs
      • redirect

        java.lang.String redirect​(RedirectRule redirectRule)
                           throws java.io.IOException
        Redirects a client to a new URL.
        Parameters:
        redirectRule - the redirect rule
        Returns:
        the redirect path
        Throws:
        java.io.IOException - if an input or output exception occurs
      • getStatus

        int getStatus()
        Returns the status code.
        Returns:
        the status
      • setStatus

        void setStatus​(int status)
        Sets the status code.
        Parameters:
        status - the status code