180 lines
3.5 KiB
Plaintext
180 lines
3.5 KiB
Plaintext
note
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description: "[
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Mock implementation of the WGI_RESPONSE interface.
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Used for testing the ewf core and also web applications.
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]"
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date: "$Date$"
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revision: "$Revision$"
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class
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WGI_RESPONSE_NULL
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inherit
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WGI_RESPONSE
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create
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make
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feature {NONE} -- Initialization
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make
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do
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create output.make_empty
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create error.make_empty
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end
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feature {WGI_CONNECTOR, WGI_SERVICE} -- Commit
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commit
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-- Commit the current response
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do
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end
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feature -- Status report
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status_committed: BOOLEAN
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-- Status code set and committed?
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header_committed: BOOLEAN
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-- Header committed?
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message_committed: BOOLEAN
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-- Message committed?
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message_writable: BOOLEAN
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-- Can message be written?
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do
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Result := status_is_set and header_committed
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end
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feature -- Status setting
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status_is_set: BOOLEAN
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-- Is status set?
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do
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Result := status_code > 0
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end
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set_status_code (a_code: INTEGER; a_reason_phrase: detachable READABLE_STRING_8)
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-- Set response status code
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-- Should be done before sending any data back to the client
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do
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status_code := a_code
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status_reason_phrase := a_reason_phrase
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if attached a_reason_phrase as l_rp then
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output.prepend (l_rp)
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end
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output.prepend (" ")
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output.prepend (a_code.out)
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output.append ("%R%N")
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status_committed := True
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end
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status_code: INTEGER
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-- Response status
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status_reason_phrase: detachable READABLE_STRING_8
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-- Custom status reason phrase for the Response (optional)
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feature -- Header output operation
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put_header_text (a_text: READABLE_STRING_8)
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do
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output.append (a_text)
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output.append ("%R%N")
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header_committed := True
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end
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feature -- Output operation
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put_character (c: CHARACTER_8)
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-- Send the character `c'
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do
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output.append_character (c)
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end
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put_string (s: READABLE_STRING_8)
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-- Send the string `s'
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do
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output.append (s)
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end
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put_substring (s: READABLE_STRING_8; start_index, end_index: INTEGER)
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-- Send the substring `start_index:end_index]'
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--| Could be optimized according to the target output
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do
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output.append_substring (s, start_index, end_index)
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end
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put_file_content (a_file: FILE; a_offset: INTEGER; a_byte_count: INTEGER)
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-- Send `a_byte_count' bytes from the content of file `a_file' starting at offset `a_offset'.
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--| Could be redefined for optimization.
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local
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l_close_needed: BOOLEAN
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l_remain: INTEGER
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l_done: BOOLEAN
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s: STRING
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do
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if a_file.exists and then a_file.is_access_readable then
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if a_file.is_open_read then
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l_close_needed := False
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else
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l_close_needed := True
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a_file.open_read
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end
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if a_offset > 0 then
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a_file.move (a_offset)
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end
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from
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l_remain := a_byte_count
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l_done := False
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until
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a_file.exhausted or l_done
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loop
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a_file.read_stream (l_remain.min (4_096))
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s := a_file.last_string
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if s.is_empty then
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-- network error?
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l_done := True
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else
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put_string (s)
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l_remain := l_remain - s.count
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check l_remain >= 0 end
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l_done := l_remain = 0
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end
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end
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if l_close_needed then
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a_file.close
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end
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end
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end
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flush
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do
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output.wipe_out
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end
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feature -- Error reporting
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put_error (a_message: READABLE_STRING_8)
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-- Report error described by `a_message'
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-- This might be used by the underlying connector
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do
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if attached error as err then
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err.append (a_message)
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end
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end
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feature -- Implementation: Access
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output: STRING
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-- Server output channel
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error: detachable STRING
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-- Server output channel
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end
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