Class BooleanStringParser
- java.lang.Object
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- com.martiansoftware.jsap.StringParser
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- com.martiansoftware.jsap.stringparsers.BooleanStringParser
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public class BooleanStringParser extends StringParser
A
StringParser
for parsing Booleans. This StringParser is also used internally by the Switch class.When parsing, the following arguments are interpreted as TRUE:
- null
- "t" (case-insensitive)
- "true" (case-insensitive)
- "y" (case-insensitive)
- "yes" (case-insensitive)
- "1"
The following arguments are interpreted as FALSE:
- "f" (case-insensitive)
- "false" (case-insensitive)
- "n" (case-insensitive)
- "no" (case-insensitive)
- "0"
All other input throws a ParseException.
- Author:
- Marty Lamb
- See Also:
StringParser
,Boolean
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Constructor Summary
Constructors Constructor Description BooleanStringParser()
Deprecated.UsegetParser()
or, even better,JSAP.BOOLEAN_PARSER
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static BooleanStringParser
getParser()
Returns aBooleanStringParser
.Object
parse(String arg)
Converts the specified argument into a Boolean.-
Methods inherited from class com.martiansoftware.jsap.StringParser
setUp, tearDown
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Constructor Detail
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BooleanStringParser
public BooleanStringParser()
Deprecated.UsegetParser()
or, even better,JSAP.BOOLEAN_PARSER
.Creates a new BooleanStringParser
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Method Detail
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getParser
public static BooleanStringParser getParser()
Returns aBooleanStringParser
.Convenient access to the only instance returned by this method is available through
JSAP.BOOLEAN_PARSER
.- Returns:
- a
BooleanStringParser
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parse
public Object parse(String arg) throws ParseException
Converts the specified argument into a Boolean.When parsing, the following arguments are interpreted as TRUE:
- null
- "t" (case-insensitive)
- "true" (case-insensitive)
- "y" (case-insensitive)
- "yes" (case-insensitive)
- "1"
- "f" (case-insensitive)
- "false" (case-insensitive)
- "n" (case-insensitive)
- "no" (case-insensitive)
- "0"
The following arguments are interpreted as FALSE:
All other input throws a ParseException.
- Specified by:
parse
in classStringParser
- Parameters:
arg
- the argument to convert to a Boolean.- Returns:
- a Boolean as described above.
- Throws:
ParseException
- if none of the above cases are matched.
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