net.liftweb.util

BasicTypesHelpers

object BasicTypesHelpers extends BasicTypesHelpers with StringHelpers with ControlHelpers

This object adds functionality to Scala standard types.

go to: companion
linear super types: ControlHelpers, ClassHelpers, StringHelpers, BasicTypesHelpers, AnyRef, Any
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Type Members

  1. class Boolean2 extends AnyRef

    This decorator class adds a ternary operator to a Boolean value

Value Members

  1. def != (arg0: AnyRef) : Boolean

    attributes: final
    definition classes: AnyRef
  2. def != (arg0: Any) : Boolean

    o != arg0 is the same as !(o == (arg0)).

    o != arg0 is the same as !(o == (arg0)).

    arg0

    the object to compare against this object for dis-equality.

    returns

    false if the receiver object is equivalent to the argument; true otherwise.

    attributes: final
    definition classes: Any
  3. def ## () : Int

    attributes: final
    definition classes: AnyRef → Any
  4. def $asInstanceOf [T0] () : T0

    attributes: final
    definition classes: AnyRef
  5. def $isInstanceOf [T0] () : Boolean

    attributes: final
    definition classes: AnyRef
  6. def == (arg0: AnyRef) : Boolean

    o == arg0 is the same as if (o eq null) arg0 eq null else o.equals(arg0).

    o == arg0 is the same as if (o eq null) arg0 eq null else o.equals(arg0).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    attributes: final
    definition classes: AnyRef
  7. def == (arg0: Any) : Boolean

    o == arg0 is the same as o.equals(arg0).

    o == arg0 is the same as o.equals(arg0).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    attributes: final
    definition classes: Any
  8. object AsBoolean extends AnyRef

    A helpful Boolean extractor

  9. object AsDouble extends AnyRef

    A helpful Int extractor

  10. object AsInt extends AnyRef

    A helpful Int extractor

  11. object AsLong extends AnyRef

    A helpful Long extractor

  12. def ^ [T] (i: T*) : List[T]

    This operator transforms its arguments into a List

    This operator transforms its arguments into a List

    returns

    the list of arguments passed as varargs

    definition classes: ClassHelpers
  13. def asBoolean (in: String) : Box[Boolean]

    A helper that will convert the String to a Boolean if it's t, true, yes, 1, f, false, no, or 0

    A helper that will convert the String to a Boolean if it's t, true, yes, 1, f, false, no, or 0

    definition classes: BasicTypesHelpers
  14. def asDouble (in: String) : Box[Double]

    Safely convert the specified String to an Int.

    Safely convert the specified String to an Int.

    definition classes: BasicTypesHelpers
  15. def asInstanceOf [T0] : T0

    This method is used to cast the receiver object to be of type T0.

    This method is used to cast the receiver object to be of type T0.

    Note that the success of a cast at runtime is modulo Scala's erasure semantics. Therefore the expression1.asInstanceOf[String] will throw a ClassCastException at runtime, while the expressionList(1).asInstanceOf[List[String]] will not. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested typed.

    returns

    the receiver object.

    attributes: final
    definition classes: Any
  16. def asInt (in: String) : Box[Int]

    Safely convert the specified String to an Int.

    Safely convert the specified String to an Int.

    definition classes: BasicTypesHelpers
  17. def asLong (in: Any) : Box[Long]

    Convert any object to an "equivalent" Long depending on its value

    Convert any object to an "equivalent" Long depending on its value

    definition classes: BasicTypesHelpers
  18. def asLong (in: String) : Box[Long]

    Safely convert the specified String to a Long.

    Safely convert the specified String to a Long.

    definition classes: BasicTypesHelpers
  19. implicit def boolean2 (b: ⇒ Boolean) : Boolean2

    Allows an implicit transform from a Boolean to a Boolean2, allowing expressions such as:(1 == 2) ? "a" | "b" (This expression will return "b")

    Allows an implicit transform from a Boolean to a Boolean2, allowing expressions such as:(1 == 2) ? "a" | "b" (This expression will return "b")

    b

    the predicate to be tested by the ternary operator.

    attributes: implicit
    definition classes: BasicTypesHelpers
  20. def callableMethod_? (meth: Method) : Boolean

    returns

    true if the method is public and has no parameters

    definition classes: ClassHelpers
  21. def camelCase (name: String) : String

    definition classes: ClassHelpers
      deprecated:
    1. Use StringHelpers.camelify

  22. def camelCaseMethod (name: String) : String

    definition classes: ClassHelpers
      deprecated:
    1. Use StringHelpers.camelifyMethod

  23. def camelify (name: String) : String

    Turns a string of format "foo_bar" into camel case "FooBar"

    Turns a string of format "foo_bar" into camel case "FooBar"

    Functional code courtesy of Jamie Webb (j@jmawebb.cjb.net) 2006/11/28

    name

    the String to CamelCase

    returns

    the CamelCased string

    definition classes: StringHelpers
  24. def camelifyMethod (name: String) : String

    Turn a string of format "foo_bar" into camel case with the first letter in lower case: "fooBar" This function is especially used to camelCase method names.

    Turn a string of format "foo_bar" into camel case with the first letter in lower case: "fooBar" This function is especially used to camelCase method names.

    name

    the String to CamelCase

    returns

    the CamelCased string

    definition classes: StringHelpers
  25. def capify (in: String) : String

    Capitalize every "word" in the string.

    Capitalize every "word" in the string. A word is either separated by spaces or underscores.

    in

    string to capify

    returns

    the capified string

    definition classes: StringHelpers
  26. def charSplit (what: String, sep: Char) : List[String]

    Faster than roboSplit.

    Faster than roboSplit... this method splits Strings at a given character

    definition classes: StringHelpers
  27. def classHasControllerMethod (clz: Class[_], name: String) : Boolean

    Check that the method 'name' is callable for class 'clz'

    Check that the method 'name' is callable for class 'clz'

    clz

    the class supposed to own the method

    name

    name of the method to test

    returns

    true if the method exists on the class and is callable

    definition classes: ClassHelpers
  28. def classHierarchy (in: Class[_]) : List[Class[_]]

    definition classes: ClassHelpers
  29. def clean (in: String) : String

    Remove all the characters from a string exception a-z, A-Z, 0-9, and '_'

    Remove all the characters from a string exception a-z, A-Z, 0-9, and '_'

    returns

    the cleaned string and an empty string if the input is null

    definition classes: StringHelpers
  30. def clone () : AnyRef

    This method creates and returns a copy of the receiver object.

    This method creates and returns a copy of the receiver object.

    The default implementation of the clone method is platform dependent.

    returns

    a copy of the receiver object.

    attributes: protected
    definition classes: AnyRef
  31. def commafy (what: String) : String

    Add commas before the last 3 characters

    Add commas before the last 3 characters

    returns

    the string with commas

    definition classes: StringHelpers
  32. def containsClass [C] (clz: Class[C], toMatch: List[Class[_]]) : Boolean

    Is the clz an instance of (assignable from) any of the classes in the list

    Is the clz an instance of (assignable from) any of the classes in the list

    clz

    the class to test

    toMatch

    the list of classes to match against

    returns

    true if clz is assignable from any of the matching classes

    definition classes: ClassHelpers
  33. def createInvoker [C <: AnyRef] (name: String, on: C) : Box[() ⇒ Box[Any]]

    Create a function (the 'invoker') which will trigger any public, parameterless method That function will throw the cause exception if the method can't be invoked

    Create a function (the 'invoker') which will trigger any public, parameterless method That function will throw the cause exception if the method can't be invoked

    on

    instance whose method must be invoked

    returns

    Empty if instance is null or Full(invoker)

    definition classes: ClassHelpers
  34. def emptyForNull (s: String) : String

    Test for null and return either the given String if not null or the empty String.

    Test for null and return either the given String if not null or the empty String.

    definition classes: StringHelpers
  35. def encJs (what: String) : String

    Encode the string to be including in JavaScript, replacing '\' or '\\' or non-ASCII characters by their unicode value

    Encode the string to be including in JavaScript, replacing '\' or '\\' or non-ASCII characters by their unicode value

    returns

    the encoded string inserted into quotes

    definition classes: StringHelpers
  36. def eq (arg0: AnyRef) : Boolean

    This method is used to test whether the argument (arg0) is a reference to the receiver object (this).

    This method is used to test whether the argument (arg0) is a reference to the receiver object (this).

    The eq method implements an [http://en.wikipedia.org/wiki/Equivalence_relation equivalence relation] on non-null instances of AnyRef: * It is reflexive: for any non-null instance x of type AnyRef, x.eq(x) returns true. * It is symmetric: for any non-null instances x and y of type AnyRef, x.eq(y) returns true if and only if y.eq(x) returns true. * It is transitive: for any non-null instances x, y, and z of type AnyRef if x.eq(y) returns true and y.eq(z) returns true, then x.eq(z) returns true.

    Additionally, the eq method has three other properties. * It is consistent: for any non-null instances x and y of type AnyRef, multiple invocations of x.eq(y) consistently returns true or consistently returns false. * For any non-null instance x of type AnyRef, x.eq(null) and null.eq(x) returns false. * null.eq(null) returns true.

    When overriding the equals or hashCode methods, it is important to ensure that their behavior is consistent with reference equality. Therefore, if two objects are references to each other (o1 eq o2), they should be equal to each other (o1 == o2) and they should hash to the same value (o1.hashCode == o2.hashCode).

    arg0

    the object to compare against this object for reference equality.

    returns

    true if the argument is a reference to the receiver object; false otherwise.

    attributes: final
    definition classes: AnyRef
  37. def equals (arg0: Any) : Boolean

    This method is used to compare the receiver object (this) with the argument object (arg0) for equivalence.

    This method is used to compare the receiver object (this) with the argument object (arg0) for equivalence.

    The default implementations of this method is an [http://en.wikipedia.org/wiki/Equivalence_relation equivalence relation]: * It is reflexive: for any instance x of type Any, x.equals(x) should return true. * It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true. * It is transitive: for any instances x, y, and z of type AnyRef if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

    If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is often necessary to override hashCode to ensure that objects that are "equal" (o1.equals(o2) returns true) hash to the same scala.Int (o1.hashCode.equals(o2.hashCode)).

    arg0

    the object to compare against this object for equality.

    returns

    true if the receiver object is equivalent to the argument; false otherwise.

    definition classes: AnyRef → Any
  38. def escChar (in: Char) : String

    Create the unicode value of a character

    Create the unicode value of a character

    in

    character

    returns

    the unicode value as a string starting by \\u

    definition classes: StringHelpers
  39. def finalize () : Unit

    This method is called by the garbage collector on the receiver object when garbage collection determines that there are no more references to the object.

    This method is called by the garbage collector on the receiver object when garbage collection determines that there are no more references to the object.

    The details of when and if the finalize method are invoked, as well as the interaction between finalizeand non-local returns and exceptions, are all platform dependent.

    attributes: protected
    definition classes: AnyRef
  40. def findClass (where: List[(String, List[String])]) : Box[Class[AnyRef]]

    Find a class given a list of possible names and corresponding packages, turning underscored names to CamelCase if necessary

    Find a class given a list of possible names and corresponding packages, turning underscored names to CamelCase if necessary

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  41. def findClass (name: String, where: List[String]) : Box[Class[AnyRef]]

    Find a class given its name and a list of packages, turning underscored names to CamelCase if necessary.

    Find a class given its name and a list of packages, turning underscored names to CamelCase if necessary.

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  42. def findClass [C <: AnyRef] (name: String, where: List[String], targetType: Class[C]) : Box[Class[C]]

    Find a class given its name and a list of packages, turning underscored names to CamelCase if necessary.

    Find a class given its name and a list of packages, turning underscored names to CamelCase if necessary.

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  43. def findClass (name: String, where: List[String], modifiers: List[(String) ⇒ String]) : Box[Class[AnyRef]]

    General method to in find a class according to its name, a list of possible packages and a list of functions modifying the given name create a target name to look for (e.

    General method to in find a class according to its name, a list of possible packages and a list of functions modifying the given name create a target name to look for (e.g: 'name' is hello_world and the target name may be 'HelloWorld').

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  44. def findClass [C <: AnyRef] (name: String, where: List[String], modifiers: List[(String) ⇒ String], targetType: Class[C]) : Box[Class[C]]

    General method to in find a class according to its name, a list of possible packages, a list of functions modifying the given name create a target name to look for (e.

    General method to in find a class according to its name, a list of possible packages, a list of functions modifying the given name create a target name to look for (e.g: 'name' is hello_world and the target name may be 'HelloWorld').

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  45. def findType [C <: AnyRef] (where: List[(String, List[String])])(implicit m: Manifest[C]) : Box[Class[C]]

    Find a class given its type, a list of possible names and corresponding packages, turning underscored names to CamelCase if necessary

    Find a class given its type, a list of possible names and corresponding packages, turning underscored names to CamelCase if necessary

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  46. def findType [C <: AnyRef] (name: String, where: List[String])(implicit m: Manifest[C]) : Box[Class[C]]

    Find a class given its type, its name and a list of packages, turning underscored names to CamelCase if necessary.

    Find a class given its type, its name and a list of packages, turning underscored names to CamelCase if necessary.

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  47. def findType [C <: AnyRef] (name: String, where: List[String], modifiers: List[(String) ⇒ String])(implicit m: Manifest[C]) : Box[Class[C]]

    General method to in find a class according to its type, its name, a list of possible packages and a list of functions modifying the given name create a target name to look for (e.

    General method to in find a class according to its type, its name, a list of possible packages and a list of functions modifying the given name create a target name to look for (e.g: 'name' is hello_world and the target name may be 'HelloWorld').

    returns

    a Box, either containing the found class or an Empty can.

    definition classes: ClassHelpers
  48. def getClass () : java.lang.Class[_]

    Returns a representation that corresponds to the dynamic class of the receiver object.

    Returns a representation that corresponds to the dynamic class of the receiver object.

    The nature of the representation is platform dependent.

    returns

    a representation that corresponds to the dynamic class of the receiver object.

    attributes: final
    definition classes: AnyRef
  49. def hashCode () : Int

    Returns a hash code value for the object.

    Returns a hash code value for the object.

    The default hashing algorithm is platform dependent.

    Note that it is allowed for two objects to have identical hash codes (o1.hashCode.equals(o2.hashCode)) yet not be equal (o1.equals(o2) returns false). A degenerate implementation could always return 0. However, it is required that if two objects are equal (o1.equals(o2) returns true) that they have identical hash codes (o1.hashCode.equals(o2.hashCode)). Therefore, when overriding this method, be sure to verify that the behavior is consistent with the equals method.

    returns

    the hash code value for the object.

    definition classes: AnyRef → Any
  50. def instantiate [C] (clz: Class[C]) : Box[C]

    Create a new instance of a class

    Create a new instance of a class

    returns

    a Full can with the instance or a Failure if the instance can't be created

    definition classes: ClassHelpers
  51. def invokeControllerMethod (clz: Class[_], meth: String) : Any

    Invoke a controller method (parameterless, public) on a class

    Invoke a controller method (parameterless, public) on a class

    clz

    the class owning the method

    returns

    the result of the method invocation or throws the root exception causing an error

    definition classes: ClassHelpers
  52. def invokeMethod [C] (clz: Class[C], inst: AnyRef, meth: String, params: Array[AnyRef], ptypes: Array[Class[_]]) : Box[Any]

    Invoke the given method for the given class, with some parameters and their types Tries the method name, then the method as a CamelCased name and the method as a camelCased name The class is not instanciated if the method is static, otherwise the passed instance is used

    Invoke the given method for the given class, with some parameters and their types Tries the method name, then the method as a CamelCased name and the method as a camelCased name The class is not instanciated if the method is static, otherwise the passed instance is used

    clz

    class whose method should be invoked

    inst

    instance of the class who method should be invoked, if the method is not static

    meth

    method to invoke

    params

    parameters to pass to the method

    ptypes

    list of types of the parameters

    returns

    a Box containing the value returned by the method

    definition classes: ClassHelpers
  53. def invokeMethod [C] (clz: Class[C], inst: AnyRef, meth: String, params: Array[AnyRef]) : Box[Any]

    Invoke the given method for the given class, with some parameters.

    Invoke the given method for the given class, with some parameters. Tries the method name, then the method as a CamelCased name and the method as a camelCased name The class is not instanciated if the method is static, otherwise the passed instance is used

    clz

    class whose method should be invoked

    inst

    instance of the class who method should be invoked, if the method is not static

    meth

    method to invoke

    params

    parameters to pass to the method

    returns

    a Box containing the value returned by the method

    definition classes: ClassHelpers
  54. def invokeMethod [C] (clz: Class[C], inst: AnyRef, meth: String) : Box[Any]

    Invoke the given method for the given class, with no params.

    Invoke the given method for the given class, with no params. The class is not instanciated if the method is static, otherwise the passed instance is used

    clz

    class whose method should be invoked

    inst

    instance of the class who method should be invoked, if the method is not static

    meth

    method to invoke

    returns

    a Box containing the value returned by the method

    definition classes: ClassHelpers
  55. def isEq (a: Array[Byte], b: Array[Byte]) : Boolean

    Compare two arrays of Byte for byte equality.

    Compare two arrays of Byte for byte equality.

    returns

    true if two Byte arrays contain the same bytes

    definition classes: BasicTypesHelpers
  56. def isInstanceOf [T0] : Boolean

    This method is used to test whether the dynamic type of the receiver object is T0.

    This method is used to test whether the dynamic type of the receiver object is T0.

    Note that the test result of the test is modulo Scala's erasure semantics. Therefore the expression1.isInstanceOf[String] will return false, while the expression List(1).isInstanceOf[List[String]] will return true. In the latter example, because the type argument is erased as part of compilation it is not possible to check whether the contents of the list are of the requested typed.

    returns

    true if the receiver object is an instance of erasure of type T0; false otherwise.

    attributes: final
    definition classes: Any
  57. def listFromListAndString (lst: List[String], s: String) : List[String]

    Creates a List of Strings from a List[String] and a String

    Creates a List of Strings from a List[String] and a String

    definition classes: StringHelpers
  58. def listFromStrings (s1: String, s2: String) : List[String]

    Creates a List of Strings from two Strings

    Creates a List of Strings from two Strings

    definition classes: StringHelpers
  59. implicit def listStringToSuper (in: List[String]) : SuperListString

    returns

    a SuperString with more available methods such as roboSplit or commafy

    attributes: implicit
    definition classes: StringHelpers
  60. def ne (arg0: AnyRef) : Boolean

    o.ne(arg0) is the same as !(o.eq(arg0)).

    o.ne(arg0) is the same as !(o.eq(arg0)).

    arg0

    the object to compare against this object for reference dis-equality.

    returns

    false if the argument is not a reference to the receiver object; true otherwise.

    attributes: final
    definition classes: AnyRef
  61. implicit def nodeSeqToOptionString (in: NodeSeq) : Box[String]

    returns

    an Empty can if the node seq is empty and a full can with the NodeSeq text otherwise

    attributes: implicit
    definition classes: StringHelpers
  62. def notEq (a: Array[Byte], b: Array[Byte]) : Boolean

    Compare two arrays of Byte for byte equality.

    Compare two arrays of Byte for byte equality.

    returns

    true if two Byte arrays don't contain the same bytes

    definition classes: BasicTypesHelpers
  63. def notify () : Unit

    Wakes up a single thread that is waiting on the receiver object's monitor.

    Wakes up a single thread that is waiting on the receiver object's monitor.

    attributes: final
    definition classes: AnyRef
  64. def notifyAll () : Unit

    Wakes up all threads that are waiting on the receiver object's monitor.

    Wakes up all threads that are waiting on the receiver object's monitor.

    attributes: final
    definition classes: AnyRef
  65. def parseNumber (tin: String) : Long

    Parse a string and return the Long value of that string.

    Parse a string and return the Long value of that string.

    The string can start with '-' if it is a negative number or '+' for a positive number

    returns

    the Long value of the input String

    definition classes: StringHelpers
  66. implicit def pfToGuardable [A] (in: PartialFunction[A, _]) : PartialFunctionWrapper[A]

    promote a partial function such that we can invoke the guard method to wrap the guarded partial function with a guard

    promote a partial function such that we can invoke the guard method to wrap the guarded partial function with a guard

    attributes: implicit
    definition classes: BasicTypesHelpers
  67. def processString (msg: String, subst: Map[String, String]) : String

    Replaces the value found in a string surrounded by &lt;%= .

    Replaces the value found in a string surrounded by &lt;%= ... %&gt; by a replacement according to the value found in the subst Map.

    Throws an exception if no correspondance can be found.

    msg

    string where replacements should be done

    subst

    map of [regular expression with groups, replacement]

    definition classes: StringHelpers
  68. def randomString (size: Int) : String

    Create a random string of a given size.

    Create a random string of a given size. 5 bits of randomness per character

    size

    size of the string to create. Must be a positive integer.

    returns

    the generated string

    definition classes: StringHelpers
  69. def roboSplit (what: String, sep: String) : List[String]

    Split a string according to a separator

    Split a string according to a separator

    sep

    a regexp to use with the String::split method

    returns

    a list of trimmed parts whose length is &gt; 0

    definition classes: StringHelpers
  70. def snakify (name: String) : String

    Turn a string of format "FooBar" into snake case "foo_bar"

    Turn a string of format "FooBar" into snake case "foo_bar"

    Note: snakify is not reversible, ie. in general the following will _not_ be true:

    s == camelify(snakify(s))

    returns

    the underscored string

    definition classes: StringHelpers
  71. def splitAt (what: String, sep: String) : List[(String, String)]

    Split a string in 2 parts at the first place where a separator is found

    Split a string in 2 parts at the first place where a separator is found

    returns

    a List containing a pair of the 2 trimmed parts

    definition classes: StringHelpers
  72. def splitColonPair (in: String, first: String, second: String) : (String, String)

    Split a string separated by a point or by a column in 2 parts.

    Split a string separated by a point or by a column in 2 parts. Uses default values if only one is found or if no parts are found

    in

    string to split

    first

    default value for the first part if no split can be done

    second

    default value for the second part if one or less parts can be found

    returns

    a pair containing the first and second parts

    definition classes: StringHelpers
  73. def splitNameValuePairs (props: String) : Map[String, String]

    Splits a string of the form &lt;name1=value1, name2=value2, .

    Splits a string of the form &lt;name1=value1, name2=value2, ... &gt; and unquotes the quoted values. The result is a Map[String, String]

    definition classes: StringHelpers
  74. implicit def stringToSuper (in: String) : SuperString

    returns

    a SuperString with more available methods such as roboSplit or commafy

    attributes: implicit
    definition classes: StringHelpers
  75. def synchronized [T0] (arg0: T0) : T0

    attributes: final
    definition classes: AnyRef
  76. def toBoolean (in: Any) : Boolean

    Convert any object to an "equivalent" Boolean depending on its value

    Convert any object to an "equivalent" Boolean depending on its value

    definition classes: BasicTypesHelpers
  77. def toByteArrayInputStream (in: InputStream) : ByteArrayInputStream

    Convert any InputStream to a ByteArrayInputStream

    Convert any InputStream to a ByteArrayInputStream

    definition classes: BasicTypesHelpers
  78. def toInt (in: Any) : Int

    Convert any object to an "equivalent" Int depending on its value

    Convert any object to an "equivalent" Int depending on its value

    definition classes: BasicTypesHelpers
  79. def toLong (in: Any) : Long

    Convert any object to an "equivalent" Long depending on its value

    Convert any object to an "equivalent" Long depending on its value

    definition classes: BasicTypesHelpers
  80. implicit def toOptiCons (expr: ⇒ Boolean) : OptionalCons

    Implicit transformation from a Boolean expression to an OptionalCons object so that an element can be added to a list if the expression is true

    Implicit transformation from a Boolean expression to an OptionalCons object so that an element can be added to a list if the expression is true

    attributes: implicit
    definition classes: BasicTypesHelpers
  81. def toString () : String

    Returns a string representation of the object.

    Returns a string representation of the object.

    The default representation is platform dependent.

    returns

    a string representation of the object.

    definition classes: AnyRef → Any
  82. def tryo [T] (ignore: Class[_])(f: ⇒ T) : Box[T]

    Wraps a "try" block around the function f.

    Wraps a "try" block around the function f. Takes only one Class of exception to ignore

    ignore

    - a single exception classes to ignore. A thrown exception will be ignored if it is assignable from this class.

    f

    - the block of code to evaluate @return

    • Full(result of the evaluation of f) if f doesn't throw any exception
    • a Failure if f throws an exception
    • Empty if the exception class is in the ignore list
    definition classes: ControlHelpers
  83. def tryo [T] (ignore: List[Class[_]])(f: ⇒ T) : Box[T]

    Wraps a "try" block around the function f

    Wraps a "try" block around the function f

    ignore

    - a list of exception classes to ignore. A thrown exception will be ignored if it is assignable from one of the exception classes in the list

    f

    - the block of code to evaluate @return

    • Full(result of the evaluation of f) if f doesn't throw any exception
    • a Failure if f throws an exception
    • Empty if the exception class is in the ignore list
    definition classes: ControlHelpers
  84. def tryo [T] (onError: (Throwable) ⇒ Unit)(f: ⇒ T) : Box[T]

    Wraps a "try" block around the function f and trigger a callback function if an exception is thrown

    Wraps a "try" block around the function f and trigger a callback function if an exception is thrown

    onError

    - an optional callback function that will use the thrown exception as a parameter

    f

    - the block of code to evaluate @return

    • Full(result of the evaluation of f) if f doesn't throw any exception
    • a Failure if f throws an exception
    definition classes: ControlHelpers
  85. def tryo [T] (f: ⇒ T) : Box[T]

    Wraps a "try" block around the function f

    Wraps a "try" block around the function f

    f

    - the block of code to evaluate @return

    • Full(result of the evaluation of f) if f doesn't throw any exception
    • a Failure if f throws an exception
    definition classes: ControlHelpers
  86. def tryo [T] (handler: PartialFunction[Throwable, T], f: ⇒ T) : Box[T]

    Wraps a "try" block around the function f.

    Wraps a "try" block around the function f. If f throws an exception that is in the domain of the handler PF, the handler will be invoked on the exception. Otherwise the exception is wrapped into a Failure.

    handler

    - A partial function that handles exceptions

    f

    - the block of code to evaluate @return

    • Full(result of the evaluation of f) if f doesn't throw any exception
    • a Failure if f throws an exception
    definition classes: ControlHelpers
      see also:
    1. net.liftweb.common.Failure

  87. def tryo [T] (ignore: List[Class[_]], onError: Box[(Throwable) ⇒ Unit])(f: ⇒ T) : Box[T]

    Wraps a "try" block around the function f.

    Wraps a "try" block around the function f. If f throws an exception with its class in the 'ignore' list or if 'ignore' is null or an empty list, ignore the exception and return None.

    ignore

    - a list of exception classes to ignore. A thrown exception will be ignored if it is assignable from one of the exception classes in the list

    onError

    - an optional callback function that will use the thrown exception as a parameter

    f

    - the block of code to evaluate @return

    • Full(result of the evaluation of f) if f doesn't throw any exception
    • a Failure if f throws an exception
    • Empty if the exception class is in the ignore list
    definition classes: ControlHelpers
  88. def unCamelCase (name: String) : String

    definition classes: ClassHelpers
      deprecated:
    1. Use StringHelpers.snakify

  89. def unquote (str: String) : String

    If str is surrounded by quotes it return the content between the quotes

    If str is surrounded by quotes it return the content between the quotes

    definition classes: StringHelpers
  90. def wait () : Unit

    attributes: final
    definition classes: AnyRef
  91. def wait (arg0: Long, arg1: Int) : Unit

    attributes: final
    definition classes: AnyRef
  92. def wait (arg0: Long) : Unit

    attributes: final
    definition classes: AnyRef

Inherited from ControlHelpers

Inherited from ClassHelpers

Inherited from StringHelpers

Inherited from BasicTypesHelpers

Inherited from AnyRef

Inherited from Any