Class Parser
- java.lang.Object
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- gaia.cu9.ari.gaiaorbit.util.parse.Parser
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public final class Parser extends java.lang.Object
Parser utilities.- Since:
- 10/02/2015 14:29:47
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Constructor Summary
Constructors Constructor Description Parser()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static boolean
parseBoolean(java.lang.Object what)
Method used to parse accepted boolean values in incoming messagesstatic double
parseDouble(java.lang.String input)
Quick double string parser that can handle negative and positive doubles but not exponents.static double
parseDoubleException(java.lang.String input)
Quick double string parser that can handle negative and positive doubles but not exponents.static float
parseFloat(java.lang.String input)
Convenience method which uses the double parser and casts the result.static float
parseFloatException(java.lang.String input)
Convenience method which uses the double parser and casts the result.static int
parseInt(java.lang.String str)
Parses an integer.static int
parseIntException(java.lang.String str)
Parses an integer.static long
parseLong(java.lang.String input)
Quick long string parser that can handle negative and positive values.static long
parseLongException(java.lang.String input)
Quick long string parser that can handle negative and positive values.
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Method Detail
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parseLong
public static long parseLong(java.lang.String input)
Quick long string parser that can handle negative and positive values.
Parser supports leading/trailing whitespace.
- Parameters:
input
- String to parse- Returns:
- Parsed long or 0 if the parsing fails
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parseLongException
public static long parseLongException(java.lang.String input) throws java.lang.NumberFormatException
Quick long string parser that can handle negative and positive values.
Parser supports leading/trailing whitespace.
- Parameters:
input
- String to parse- Returns:
- Parsed long or 0 if the parsing fails
- Throws:
java.lang.NumberFormatException
- If the given input can not be parsed
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parseDouble
public static double parseDouble(java.lang.String input)
Quick double string parser that can handle negative and positive doubles but not exponents.
Parser supports NaN, +/-Inf, exponents and leading/trailing whitespace.
Parser is mostly locale unaware except for dot and comma for decimal separator.
- Parameters:
input
- String to parse- Returns:
- Parsed double or Double.NaN if the parsing fails See also
parseDoubleException(String)
If exceptions on invalid input is necessary
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parseDoubleException
public static double parseDoubleException(java.lang.String input) throws java.lang.NumberFormatException
Quick double string parser that can handle negative and positive doubles but not exponents.
Parser supports NaN, +/-Inf and leading/trailing whitespace.
Parser is mostly locale unaware except for dot and comma for decimal separator.
- Parameters:
input
- String to parse- Returns:
- Parsed double or Double.NaN if the parsing fails
- Throws:
java.lang.NumberFormatException
- If the input string is invalid
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parseBoolean
public static boolean parseBoolean(java.lang.Object what)
Method used to parse accepted boolean values in incoming messages- Parameters:
what
- What to parse- Returns:
- True or false (also default return) depending on the value of what
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parseInt
public static int parseInt(java.lang.String str)
Parses an integer. If the input is not a valid integer representation it returns 0.- Parameters:
str
- The input string.- Returns:
- The integer representation of the string.
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parseIntException
public static int parseIntException(java.lang.String str) throws java.lang.NumberFormatException
Parses an integer. Throws aNumberFormatException
if the input is not a valid integer representation.- Parameters:
str
- The input string.- Returns:
- The integer representation of the string.
- Throws:
java.lang.NumberFormatException
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parseFloat
public static float parseFloat(java.lang.String input)
Convenience method which uses the double parser and casts the result. It will not throw Please checkparseDouble(String)
.- Parameters:
input
- The input string.- Returns:
- The parsed float, or 0 if the parsing failed.
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parseFloatException
public static float parseFloatException(java.lang.String input)
Convenience method which uses the double parser and casts the result. Please checkparseDouble(String)
- Parameters:
input
- The input string.- Returns:
- The parsed float, or 0 if the parsing failed.
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