org.lsst.ccs.subsystem.ccob.thin

Class ValueParser

java.lang.Object

org.lsst.ccs.subsystem.ccob.thin.ValueParser

public class ValueParser
extends Object

Parses replies to commands such as X? which contain a line of key-value pairs where the key is one or more space-separated alphanumeric words and the values are decimal numbers compatible with Java doubles. A key and its value are separated by an equals sign or a colon. A value may be followed by one of the unit specifiers "mm", "deg", "A" or "u" with or without separating whitespace. The units are checked but discarded.

Example input: X=1.5e-1, Y=0.0mm, U=0.0, B: 0.0 deg, P=0.0deg, foo bar =22.5 In the last pair the key treated as "foo bar"; leading and trailing whitespace is pruned while whitespace between words is reduced to s single space.

The result of a successful parse is a Map<String, Double>.

Author:

tether

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ValueParser.ParseError Represents a parsing error.

Constructor Summary

Constructors

Constructor and Description
ValueParser()

Method Summary

Modifier and Type	Method and Description
static void	main(String[] arg)
static Map<String,Double>	parse(String tbReply)

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueParser

public ValueParser()

Method Detail

parse

public static Map<String,Double> parse(String tbReply)

Parameters:

tbReply - A reply from the TB Server, cut down to a single line containing key-value pairs as described in the class Javadoc.

Returns:

A map of keys to values.

Throws:

ValueParser.ParseError - if the line can't be parsed.

main

public static void main(String[] arg)