[Java] Class ClosureUtils
- org.codehaus.groovy.ast.tools.ClosureUtils
Handy methods when working with Closure AST data structures.
Methods Summary
| Type Params | Return Type | Name and description |
|---|---|---|
static String |
convertClosureToSource(ReaderSource readerSource, ClosureExpression expression)Converts a ClosureExpression into the String source. | |
static Parameter[] |
getParametersSafe(ClosureExpression ce)@return the parameters for the ClosureExpression | |
static boolean |
hasImplicitParameter(ClosureExpression ce)@return true if the ClosureExpression has an implicit 'it' parameter | |
static boolean |
hasSingleCharacterArg(Closure c)Does the Closure have a single char-like (char or Character) argument. | |
static boolean |
hasSingleStringArg(Closure c)Does the Closure have a single String argument. |
Inherited Methods Summary
| Methods inherited from class | Name |
|---|---|
class Object | wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll |
Method Detail
public static String convertClosureToSource(ReaderSource readerSource, ClosureExpression expression)
Converts a ClosureExpression into the String source.
- throws:
- java.lang.IllegalArgumentException when expression is null
- throws:
- java.lang.Exception when closure can't be read from source
- Parameters:
-
readerSource- a source -
expression- a closure. Can't be null
- Returns:
- the source the closure was created from
public static Parameter[] getParametersSafe(ClosureExpression ce)
- Returns:
- the parameters for the ClosureExpression
public static boolean hasImplicitParameter(ClosureExpression ce)
- Returns:
- true if the ClosureExpression has an implicit 'it' parameter
public static boolean hasSingleCharacterArg(Closure c)
Does the Closure have a single char-like (char or Character) argument.
- Parameters:
-
c- a Closure
- Returns:
- true if it has exactly one argument and the type is char or Character
public static boolean hasSingleStringArg(Closure c)
Does the Closure have a single String argument.
- Parameters:
-
c- a Closure
- Returns:
- true if it has exactly one argument and the type is String
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Licensed under the Apache license.
https://docs.groovy-lang.org/2.5.14/html/gapi/org/codehaus/groovy/ast/tools/ClosureUtils.html