edu.wisc.ssec.mcidas.adde
Class AddeTextReader

java.lang.Object
  edu.wisc.ssec.mcidas.adde.AddeTextReader

public class AddeTextReader
extends java.lang.Object

Read text from an ADDE server interface for McIDAS ADDE data sets. This class handles file, weather text and obs text requests.

 For File Reading:
   URLs must all have the following format   
     adde://host/text?file=filename.ext

   there can be any valid combination of the following supported keywords:

     file - name of text file on ADDE server

   the following keywords are required:

     file

   an example URL might look like:
     adde://viper/text?file=filename.ext

 For Weather Text Reading:
   URLs must all have the following format   
     adde://host/wxtext?group=group&key1=value1&key2=val2....&keyn=valn

   there can be any valid combination of the following supported keywords:

     group=         weather text group (default= RTWXTEXT)
     prod=        predefind product name
     apro=   AFOS/AWIPS product headers to match (don't 
                           use with wmo keyword
     astn=   AFOS/AWIPS stations to match
     wmo=    WMO product headers to match (don't 
                           use with apro keyword
     wstn=   WMO stations to match
     day=       range of days to search
     dtime=      maximum number of hours to search back (def=96)
     match= list of character match strings to find from text
     num=             number of matches to find (def=1)

   the following keywords are required:

     day  (bug causes it not to default to current day)
     one of the selection criteria

   an example URL might look like:
     adde://adde.ucar.edu/wxtext?group=rtwxtext&prod=zone_fcst&astn=bou

 For Observational Text Reading:
   URLs must all have the following format   
     adde://host/obtext?group=group&descr=descr&key1=value1....&keyn=valn

   there can be any valid combination of the following supported keywords:

     group=         weather text group (default= RTWXTEXT)
     descr=    weather text subgroup (default=SFCHOURLY)
     id=  list of station ids
     co=  list of countries
     reg= list of regions
     newest=     most recent time to allow in request 
                           (def=current time)
     oldest=     oldest observation time to allow in request
     type=           numeric value for the type of ob
     nhours=     maximum number of hours to search
     num=             number of matches to find (def=1)

   the following keywords are required:

     group
     descr
     id, co, or reg

   an example URL might look like:
     adde://adde.ucar.edu/obtext?group=rtwxtext&descr=sfchourly&id=kden&num=2

 

Constructor Summary

AddeTextReader(java.lang.String request)
Creates an AddeTextReader object that allows reading an ADDE text file or weather text

Method Summary

int	getNumLines() Return the number of lines of text that were read.
java.lang.String	getStatus() Get a string representation of the status code
int	getStatusCode() Return the status code of the read
java.lang.String	getText() Return the text read from the server.
static void	main(java.lang.String[] args) test by running 'java edu.wisc.ssec.mcidas.adde.AddeTextReader'

Methods inherited from class java.lang.Object

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

Constructor Detail

AddeTextReader

public AddeTextReader(java.lang.String request)

Creates an AddeTextReader object that allows reading an ADDE text file or weather text

Parameters:

request - ADDE URL to read from. See class javadoc.

Method Detail

getStatus

public java.lang.String getStatus()

Get a string representation of the status code

Returns:

human readable status

getStatusCode

public int getStatusCode()

Return the status code of the read

Returns:

status code (>0 == read okay);

getNumLines

public int getNumLines()

Return the number of lines of text that were read.

Returns:

number of lines.

getText

public java.lang.String getText()

Return the text read from the server. If there was a problem the error message is returned.

Returns:

text from server or error message

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

test by running 'java edu.wisc.ssec.mcidas.adde.AddeTextReader'

Throws:

java.lang.Exception