Package org.codehaus.groovy.ast.tools
Class ClosureUtils
java.lang.Object
org.codehaus.groovy.ast.tools.ClosureUtils
public class ClosureUtils
extends java.lang.Object
Handy methods when working with Closure AST data structures.
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Constructor Summary
Constructors Constructor Description ClosureUtils() -
Method Summary
Modifier and Type Method Description static java.lang.StringconvertClosureToSource(ReaderSource readerSource, ClosureExpression expression)Converts a ClosureExpression into the String source.static Parameter[]getParametersSafe(ClosureExpression ce)static java.lang.StringgetResolveStrategyName(int resolveStrategy)Returns the constant name associated with the given resolve strategy.static booleanhasImplicitParameter(ClosureExpression ce)static booleanhasSingleCharacterArg(Closure c)Does the Closure have a single char-like (char or Character) argument.static booleanhasSingleStringArg(Closure c)Does the Closure have a single String argument.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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ClosureUtils
public ClosureUtils()
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Method Details
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convertClosureToSource
public static java.lang.String convertClosureToSource(ReaderSource readerSource, ClosureExpression expression) throws java.lang.ExceptionConverts a ClosureExpression into the String source.- Parameters:
readerSource- a sourceexpression- a closure. Can't be null- Returns:
- the source the closure was created from
- Throws:
java.lang.IllegalArgumentException- when expression is nulljava.lang.Exception- when closure can't be read from source
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hasSingleCharacterArg
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
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hasSingleStringArg
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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hasImplicitParameter
- Returns:
- true if the ClosureExpression has an implicit 'it' parameter
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getParametersSafe
- Returns:
- the parameters for the ClosureExpression
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getResolveStrategyName
public static java.lang.String getResolveStrategyName(int resolveStrategy)Returns the constant name associated with the given resolve strategy.- Since:
- 3.0.5
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