com.easysw.cups
Class IPPHttp

java.lang.Object
  |
  +--com.easysw.cups.IPPHttp

public class IPPHttp

extends java.lang.Object

Field Summary

int	activity
java.lang.String	auth_type
java.io.BufferedReader	br
java.net.Socket	conn
boolean	connected
static java.lang.String[]	days
int	error
java.lang.String	hostname
static int	HTTP_0_9
static int	HTTP_1_0
static int	HTTP_1_1
static int	HTTP_ACCEPTED
static int	HTTP_AUTH_BASIC
static int	HTTP_AUTH_MD5
static int	HTTP_AUTH_MD5_INT
static int	HTTP_AUTH_MD5_SESS
static int	HTTP_AUTH_MD5_SESS_INT
static int	HTTP_AUTH_NONE
static int	HTTP_BAD_GATEWAY
static int	HTTP_BAD_REQUEST
static int	HTTP_CLOSE
static int	HTTP_CONFLICT
int	http_content_length
static int	HTTP_CONTINUE
static int	HTTP_CREATED
static int	HTTP_DELETE
static int	HTTP_ENCODE_CHUNKED
static int	HTTP_ENCODE_LENGTH
static int	HTTP_ENCRYPT_ALWAYS
static int	HTTP_ENCRYPT_IF_REQUESTED
static int	HTTP_ENCRYPT_NEVER
static int	HTTP_ENCRYPT_REQUIRED
static int	HTTP_ERROR
static int	HTTP_FIELD_ACCEPT_LANGUAGE
static int	HTTP_FIELD_ACCEPT_RANGES
static int	HTTP_FIELD_AUTHORIZATION
static int	HTTP_FIELD_CONNECTION
static int	HTTP_FIELD_CONTENT_ENCODING
static int	HTTP_FIELD_CONTENT_LANGUAGE
static int	HTTP_FIELD_CONTENT_LENGTH
static int	HTTP_FIELD_CONTENT_LOCATION
static int	HTTP_FIELD_CONTENT_MD5
static int	HTTP_FIELD_CONTENT_RANGE
static int	HTTP_FIELD_CONTENT_TYPE
static int	HTTP_FIELD_CONTENT_VERSION
static int	HTTP_FIELD_DATE
static int	HTTP_FIELD_HOST
static int	HTTP_FIELD_IF_MODIFIED_SINCE
static int	HTTP_FIELD_IF_UNMODIFIED_SINCE
static int	HTTP_FIELD_KEEP_ALIVE
static int	HTTP_FIELD_LAST_MODIFIED
static int	HTTP_FIELD_LINK
static int	HTTP_FIELD_LOCATION
static int	HTTP_FIELD_MAX
static int	HTTP_FIELD_RANGE
static int	HTTP_FIELD_REFERER
static int	HTTP_FIELD_RETRY_AFTER
static int	HTTP_FIELD_TRANSFER_ENCODING
static int	HTTP_FIELD_UNKNOWN
static int	HTTP_FIELD_UPGRADE
static int	HTTP_FIELD_USER_AGENT
static int	HTTP_FIELD_WWW_AUTHENTICATE
static java.lang.String[]	http_fields
static int	HTTP_FORBIDDEN
static int	HTTP_GATEWAY_TIMEOUT
static int	HTTP_GET
static int	HTTP_GET_SEND
static int	HTTP_GONE
static int	HTTP_HEAD
static int	HTTP_KEEPALIVE_OFF
static int	HTTP_KEEPALIVE_ON
static int	HTTP_LENGTH_REQUIRED
static int	HTTP_METHOD_NOT_ALLOWED
static int	HTTP_MOVED_PERMANENTLY
static int	HTTP_MOVED_TEMPORARILY
static int	HTTP_MULTIPLE_CHOICES
static int	HTTP_NO_CONTENT
static int	HTTP_NOT_ACCEPTABLE
static int	HTTP_NOT_AUTHORITATIVE
static int	HTTP_NOT_FOUND
static int	HTTP_NOT_IMPLEMENTED
static int	HTTP_NOT_MODIFIED
static int	HTTP_NOT_SUPPORTED
static int	HTTP_OK
static int	HTTP_OPTIONS
static int	HTTP_PARTIAL_CONTENT
static int	HTTP_PAYMENT_REQUIRED
static int	HTTP_POST
static int	HTTP_POST_RECV
static int	HTTP_POST_SEND
static int	HTTP_PRECONDITION
static int	HTTP_PROXY_AUTHENTICATION
static int	HTTP_PUT
static int	HTTP_PUT_RECV
java.lang.String	http_request
static int	HTTP_REQUEST_TIMEOUT
static int	HTTP_REQUEST_TOO_LARGE
static int	HTTP_RESET_CONTENT
static int	HTTP_SEE_OTHER
static int	HTTP_SERVER_ERROR
static int	HTTP_SERVICE_UNAVAILABLE
static int	HTTP_STATUS
static int	HTTP_SWITCHING_PROTOCOLS
static int	HTTP_TRACE
static int	HTTP_UNAUTHORIZED
static int	HTTP_UNSUPPORTED_MEDIATYPE
static int	HTTP_UPGRADE_REQUIRED
static int	HTTP_URI_TOO_LONG
static int	HTTP_USE_PROXY
static int	HTTP_WAITING Class constants - most not in use yet.
java.io.BufferedInputStream	is
java.lang.String	method
static java.lang.String[]	months
java.lang.String	nonce
java.lang.String	opaque
java.io.BufferedOutputStream	os
java.lang.String	passwd
java.lang.String	path
int	port
char[]	read_buffer
java.lang.String	read_header_charset
java.lang.String	read_header_content_language
int	read_header_content_length
java.lang.String	read_header_content_type
java.lang.String	read_header_date
java.lang.String	read_header_server
java.lang.String	realm
java.lang.String	resource
int	status
java.lang.String	status_text
java.lang.String	user
java.lang.String	version
int	write_content_length

Constructor Summary

IPPHttp(java.lang.String request_url)
Constructor using URL.

IPPHttp(java.lang.String request_url, java.lang.String p_auth_type, java.lang.String p_user, java.lang.String p_passwd)
Constructor using URL, user and pass.

Method Summary

int	checkForResponse()
void	parseAuthenticate(java.lang.String p_auth)
IPP	processResponse() Process the HTTP response from the server.
int	read_header() Read the HTTP header from the input stream.
java.lang.String	read_line() Read a line from the input stream.
char[]	read(int count) Read up to count bytes from the input stream.
boolean	reConnect() Re-establish a dropped connection.
void	setPassword(java.lang.String p_passwd) Set the password.
void	setUser(java.lang.String p_user) Set the user name.
void	write(byte[] bytes) Write bytes to the output stream.
void	write(byte[] bytes, int length) Write bytes to the output stream.
int	writeHeader(java.lang.String request, int content_length) Write the request header bytes to the server.

Methods inherited from class java.lang.Object

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

Field Detail

HTTP_WAITING

public static final int HTTP_WAITING

Class constants - most not in use yet.

HTTP_OPTIONS

public static final int HTTP_OPTIONS

HTTP_GET

public static final int HTTP_GET

HTTP_GET_SEND

public static final int HTTP_GET_SEND

HTTP_HEAD

public static final int HTTP_HEAD

HTTP_POST

public static final int HTTP_POST

HTTP_POST_RECV

public static final int HTTP_POST_RECV

HTTP_POST_SEND

public static final int HTTP_POST_SEND

HTTP_PUT

public static final int HTTP_PUT

HTTP_PUT_RECV

public static final int HTTP_PUT_RECV

HTTP_DELETE

public static final int HTTP_DELETE

HTTP_TRACE

public static final int HTTP_TRACE

HTTP_CLOSE

public static final int HTTP_CLOSE

HTTP_STATUS

public static final int HTTP_STATUS

HTTP_0_9

public static final int HTTP_0_9

HTTP_1_0

public static final int HTTP_1_0

HTTP_1_1

public static final int HTTP_1_1

HTTP_KEEPALIVE_OFF

public static final int HTTP_KEEPALIVE_OFF

HTTP_KEEPALIVE_ON

public static final int HTTP_KEEPALIVE_ON

HTTP_ENCODE_LENGTH

public static final int HTTP_ENCODE_LENGTH

HTTP_ENCODE_CHUNKED

public static final int HTTP_ENCODE_CHUNKED

HTTP_ENCRYPT_IF_REQUESTED

public static final int HTTP_ENCRYPT_IF_REQUESTED

HTTP_ENCRYPT_NEVER

public static final int HTTP_ENCRYPT_NEVER

HTTP_ENCRYPT_REQUIRED

public static final int HTTP_ENCRYPT_REQUIRED

HTTP_ENCRYPT_ALWAYS

public static final int HTTP_ENCRYPT_ALWAYS

HTTP_AUTH_NONE

public static final int HTTP_AUTH_NONE

HTTP_AUTH_BASIC

public static final int HTTP_AUTH_BASIC

HTTP_AUTH_MD5

public static final int HTTP_AUTH_MD5

HTTP_AUTH_MD5_SESS

public static final int HTTP_AUTH_MD5_SESS

HTTP_AUTH_MD5_INT

public static final int HTTP_AUTH_MD5_INT

HTTP_AUTH_MD5_SESS_INT

public static final int HTTP_AUTH_MD5_SESS_INT

HTTP_ERROR

public static final int HTTP_ERROR

HTTP_CONTINUE

public static final int HTTP_CONTINUE

HTTP_SWITCHING_PROTOCOLS

public static final int HTTP_SWITCHING_PROTOCOLS

HTTP_OK

public static final int HTTP_OK

HTTP_CREATED

public static final int HTTP_CREATED

HTTP_ACCEPTED

public static final int HTTP_ACCEPTED

HTTP_NOT_AUTHORITATIVE

public static final int HTTP_NOT_AUTHORITATIVE

HTTP_NO_CONTENT

public static final int HTTP_NO_CONTENT

HTTP_RESET_CONTENT

public static final int HTTP_RESET_CONTENT

HTTP_PARTIAL_CONTENT

public static final int HTTP_PARTIAL_CONTENT

HTTP_MULTIPLE_CHOICES

public static final int HTTP_MULTIPLE_CHOICES

HTTP_MOVED_PERMANENTLY

public static final int HTTP_MOVED_PERMANENTLY

HTTP_MOVED_TEMPORARILY

public static final int HTTP_MOVED_TEMPORARILY

HTTP_SEE_OTHER

public static final int HTTP_SEE_OTHER

HTTP_NOT_MODIFIED

public static final int HTTP_NOT_MODIFIED

HTTP_USE_PROXY

public static final int HTTP_USE_PROXY

HTTP_BAD_REQUEST

public static final int HTTP_BAD_REQUEST

HTTP_UNAUTHORIZED

public static final int HTTP_UNAUTHORIZED

HTTP_PAYMENT_REQUIRED

public static final int HTTP_PAYMENT_REQUIRED

HTTP_FORBIDDEN

public static final int HTTP_FORBIDDEN

HTTP_NOT_FOUND

public static final int HTTP_NOT_FOUND

HTTP_METHOD_NOT_ALLOWED

public static final int HTTP_METHOD_NOT_ALLOWED

HTTP_NOT_ACCEPTABLE

public static final int HTTP_NOT_ACCEPTABLE

HTTP_PROXY_AUTHENTICATION

public static final int HTTP_PROXY_AUTHENTICATION

HTTP_REQUEST_TIMEOUT

public static final int HTTP_REQUEST_TIMEOUT

HTTP_CONFLICT

public static final int HTTP_CONFLICT

HTTP_GONE

public static final int HTTP_GONE

HTTP_LENGTH_REQUIRED

public static final int HTTP_LENGTH_REQUIRED

HTTP_PRECONDITION

public static final int HTTP_PRECONDITION

HTTP_REQUEST_TOO_LARGE

public static final int HTTP_REQUEST_TOO_LARGE

HTTP_URI_TOO_LONG

public static final int HTTP_URI_TOO_LONG

HTTP_UNSUPPORTED_MEDIATYPE

public static final int HTTP_UNSUPPORTED_MEDIATYPE

HTTP_UPGRADE_REQUIRED

public static final int HTTP_UPGRADE_REQUIRED

HTTP_SERVER_ERROR

public static final int HTTP_SERVER_ERROR

HTTP_NOT_IMPLEMENTED

public static final int HTTP_NOT_IMPLEMENTED

HTTP_BAD_GATEWAY

public static final int HTTP_BAD_GATEWAY

HTTP_SERVICE_UNAVAILABLE

public static final int HTTP_SERVICE_UNAVAILABLE

HTTP_GATEWAY_TIMEOUT

public static final int HTTP_GATEWAY_TIMEOUT

HTTP_NOT_SUPPORTED

public static final int HTTP_NOT_SUPPORTED

HTTP_FIELD_UNKNOWN

public static final int HTTP_FIELD_UNKNOWN

HTTP_FIELD_ACCEPT_LANGUAGE

public static final int HTTP_FIELD_ACCEPT_LANGUAGE

HTTP_FIELD_ACCEPT_RANGES

public static final int HTTP_FIELD_ACCEPT_RANGES

HTTP_FIELD_AUTHORIZATION

public static final int HTTP_FIELD_AUTHORIZATION

HTTP_FIELD_CONNECTION

public static final int HTTP_FIELD_CONNECTION

HTTP_FIELD_CONTENT_ENCODING

public static final int HTTP_FIELD_CONTENT_ENCODING

HTTP_FIELD_CONTENT_LANGUAGE

public static final int HTTP_FIELD_CONTENT_LANGUAGE

HTTP_FIELD_CONTENT_LENGTH

public static final int HTTP_FIELD_CONTENT_LENGTH

HTTP_FIELD_CONTENT_LOCATION

public static final int HTTP_FIELD_CONTENT_LOCATION

HTTP_FIELD_CONTENT_MD5

public static final int HTTP_FIELD_CONTENT_MD5

HTTP_FIELD_CONTENT_RANGE

public static final int HTTP_FIELD_CONTENT_RANGE

HTTP_FIELD_CONTENT_TYPE

public static final int HTTP_FIELD_CONTENT_TYPE

HTTP_FIELD_CONTENT_VERSION

public static final int HTTP_FIELD_CONTENT_VERSION

HTTP_FIELD_DATE

public static final int HTTP_FIELD_DATE

HTTP_FIELD_HOST

public static final int HTTP_FIELD_HOST

HTTP_FIELD_IF_MODIFIED_SINCE

public static final int HTTP_FIELD_IF_MODIFIED_SINCE

HTTP_FIELD_IF_UNMODIFIED_SINCE

public static final int HTTP_FIELD_IF_UNMODIFIED_SINCE

HTTP_FIELD_KEEP_ALIVE

public static final int HTTP_FIELD_KEEP_ALIVE

HTTP_FIELD_LAST_MODIFIED

public static final int HTTP_FIELD_LAST_MODIFIED

HTTP_FIELD_LINK

public static final int HTTP_FIELD_LINK

HTTP_FIELD_LOCATION

public static final int HTTP_FIELD_LOCATION

HTTP_FIELD_RANGE

public static final int HTTP_FIELD_RANGE

HTTP_FIELD_REFERER

public static final int HTTP_FIELD_REFERER

HTTP_FIELD_RETRY_AFTER

public static final int HTTP_FIELD_RETRY_AFTER

HTTP_FIELD_TRANSFER_ENCODING

public static final int HTTP_FIELD_TRANSFER_ENCODING

HTTP_FIELD_UPGRADE

public static final int HTTP_FIELD_UPGRADE

HTTP_FIELD_USER_AGENT

public static final int HTTP_FIELD_USER_AGENT

HTTP_FIELD_WWW_AUTHENTICATE

public static final int HTTP_FIELD_WWW_AUTHENTICATE

HTTP_FIELD_MAX

public static final int HTTP_FIELD_MAX

http_fields

public static final java.lang.String[] http_fields

days

public static final java.lang.String[] days

months

public static final java.lang.String[] months

conn

public java.net.Socket conn

connected

public boolean connected

is

public java.io.BufferedInputStream is

br

public java.io.BufferedReader br

os

public java.io.BufferedOutputStream os

write_content_length

public int write_content_length

read_header_date

public java.lang.String read_header_date

read_header_server

public java.lang.String read_header_server

read_header_charset

public java.lang.String read_header_charset

read_header_content_language

public java.lang.String read_header_content_language

read_header_content_type

public java.lang.String read_header_content_type

read_header_content_length

public int read_header_content_length

read_buffer

public char[] read_buffer

status

public int status

status_text

public java.lang.String status_text

version

public java.lang.String version

error

public int error

activity

public int activity

hostname

public java.lang.String hostname

port

public int port

path

public java.lang.String path

user

public java.lang.String user

passwd

public java.lang.String passwd

auth_type

public java.lang.String auth_type

realm

public java.lang.String realm

opaque

public java.lang.String opaque

nonce

public java.lang.String nonce

resource

public java.lang.String resource

method

public java.lang.String method

http_request

public java.lang.String http_request

http_content_length

public int http_content_length

Constructor Detail

IPPHttp

public IPPHttp(java.lang.String request_url)
        throws java.io.IOException,
               java.net.UnknownHostException

Constructor using URL.

Parameters:

request_url - URL of server to connect to.

IPPHttp

public IPPHttp(java.lang.String request_url,
               java.lang.String p_auth_type,
               java.lang.String p_user,
               java.lang.String p_passwd)
        throws java.io.IOException,
               java.net.UnknownHostException

Constructor using URL, user and pass.

Parameters:

request_url - URL of server to connect to.

p_auth_type - String basic or digest.

p_user - String User name.

p_passwd - String password.

Method Detail

reConnect

public boolean reConnect()
                  throws java.io.IOException

Re-establish a dropped connection.

Returns:

boolean True if connected.

setUser

public void setUser(java.lang.String p_user)

Set the user name.

Parameters:

p_user - String - user name.

setPassword

public void setPassword(java.lang.String p_passwd)

Set the password.

Parameters:

p_passwd - String - password.

writeHeader

public int writeHeader(java.lang.String request,
                       int content_length)
                throws java.io.IOException

Write the request header bytes to the server.

Parameters:

request - String - the request.

content_length - int - size of the total request.

checkForResponse

public int checkForResponse()

write

public void write(byte[] bytes)
           throws java.io.IOException

Write bytes to the output stream.

Parameters:

bytes - Array of bytes to write to the stream.

write

public void write(byte[] bytes,
                  int length)
           throws java.io.IOException

Write bytes to the output stream.

Parameters:

bytes - Array of bytes to write to the stream.

length - Number of bytes to write to the stream.

read_header

public int read_header()
                throws java.io.IOException

Read the HTTP header from the input stream.

Returns:

int Content length of response.

read_line

public java.lang.String read_line()
                           throws java.io.IOException

Read a line from the input stream.

Returns:

String Line read.

read

public char[] read(int count)
            throws java.io.IOException

Read up to count bytes from the input stream.

Parameters:

count - Number of bytes to read.

Returns:

char[] Character array of data read.

processResponse

public IPP processResponse()

Process the HTTP response from the server.

Returns:

IPP IPP object containing response data.

See Also:

IPP, IPPRequest, IPPAttribute, IPPValue, IPPDefs

parseAuthenticate

public void parseAuthenticate(java.lang.String p_auth)