com.caucho.es
Class ESNumber
java.lang.Object
|
+--com.caucho.es.ESBase
|
+--com.caucho.es.ESNumber
- public class ESNumber
- extends ESBase
- implements VfsWriteObject
Implementation class for JavaScript numbers. Essentially, these are
equivalent to Java doubles.
Methods inherited from class com.caucho.es.ESBase |
call,
call,
construct,
delete,
getProperty,
greaterThan,
hasProperty,
isBoolean,
isString,
keys,
setProperty,
setProperty,
setProperty,
toInt32,
toJavaString,
toPrimitive,
toPrimitive,
toSource,
valueOf |
Methods inherited from class java.lang.Object |
clone,
finalize,
getClass,
notify,
notifyAll,
wait,
wait,
wait |
ZERO
public static ESNumber ZERO
ONE
public static ESNumber ONE
NaN
public static ESNumber NaN
create
public static ESNumber create(double value)
toBoolean
public boolean toBoolean()
- Any non-zero number is true.
XXX: NaN and inf?
- Overrides:
- toBoolean in class ESBase
isNum
public boolean isNum()
- Overrides:
- isNum in class ESBase
toNum
public double toNum()
- Overrides:
- toNum in class ESBase
toObject
public ESObject toObject()
throws ESException
- Overrides:
- toObject in class ESBase
toJavaObject
public java.lang.Object toJavaObject()
- Overrides:
- toJavaObject in class ESBase
typeof
public ESBase typeof()
throws ESException
- Overrides:
- typeof in class ESBase
getProperty
public ESBase getProperty(ESString key)
throws java.lang.Exception
- Overrides:
- getProperty in class ESBase
toStr
public ESString toStr()
- Overrides:
- toStr in class ESBase
toString
public java.lang.String toString()
- Returns the string representation of the number.
Notes: the spec says
1) -0 should be printed at 0.
2) 20 decimal digit integers should be printed as integers.
This is insane since the double can only almost a 16 digit decimal.
3) The exponent should be lower case.
- Overrides:
- toString in class ESBase
print
public void print(WriteStream os)
throws java.io.IOException
- Specified by:
- print in interface VfsWriteObject
hashCode
public int hashCode()
- Overrides:
- hashCode in class java.lang.Object
equals
public boolean equals(java.lang.Object b)
- Overrides:
- equals in class java.lang.Object
ecmaEquals
public boolean ecmaEquals(ESBase b)
throws java.lang.Exception
- Overrides:
- ecmaEquals in class ESBase
lessThan
public boolean lessThan(ESBase b,
boolean neg)
throws java.lang.Exception
- Overrides:
- lessThan in class ESBase
plus
public ESBase plus(ESBase b)
throws java.lang.Exception
- Overrides:
- plus in class ESBase