Package org.codehaus.groovy.runtime

Class InvokerHelper

  • public class InvokerHelper
extends Object
    A static helper class to make bytecode generation easier and act as a facade over the Invoker

    • Field Detail

      • EMPTY_ARGS

        public static final Object[] EMPTY_ARGS

      • EMPTY_ARGUMENTS

        protected static final Object[] EMPTY_ARGUMENTS

      • EMPTY_TYPES

        protected static final Class[] EMPTY_TYPES

    • Constructor Detail

      • InvokerHelper

        public InvokerHelper()

    • Method Detail

      • removeClass

        public static void removeClass​(Class clazz)

      • invokeStaticNoArgumentsMethod

        public static Object invokeStaticNoArgumentsMethod​(Class type,
                                                   String methodName)

      • invokeNoArgumentsConstructorOf

        public static Object invokeNoArgumentsConstructorOf​(Class type)

      • invokeClosure

        public static Object invokeClosure​(Object closure,
                                   Object arguments)

      • asList

        public static List asList​(Object value)

      • toString

        public static String toString​(Object arguments)

      • setAttribute

        public static void setAttribute​(Object object,
                                String attribute,
                                Object newValue)

      • getPropertySafe

        public static Object getPropertySafe​(Object object,
                                     String property)

      • setProperty

        public static void setProperty​(Object object,
                               String property,
                               Object newValue)

      • setProperty2

        public static void setProperty2​(Object newValue,
                                Object object,
                                String property)
        This is so we don't have to reorder the stack when we call this method. At some point a better name might be in order.

      • setGroovyObjectProperty

        public static void setGroovyObjectProperty​(Object newValue,
                                           GroovyObject object,
                                           String property)
        This is so we don't have to reorder the stack when we call this method. At some point a better name might be in order.

      • setPropertySafe2

        public static void setPropertySafe2​(Object newValue,
                                    Object object,
                                    String property)
        This is so we don't have to reorder the stack when we call this method. At some point a better name might be in order.

      • getMethodPointer

        public static Closure getMethodPointer​(Object object,
                                       String methodName)
        Returns the method pointer for the given object name

      • unaryMinus

        public static Object unaryMinus​(Object value)

      • unaryPlus

        public static Object unaryPlus​(Object value)

      • findRegex

        public static Matcher findRegex​(Object left,
                                Object right)
        Find the right hand regex within the left hand string and return a matcher.
        Parameters:
        left - string to compare
        right - regular expression to compare the string to

      • matchRegex

        public static boolean matchRegex​(Object left,
                                 Object right)
        Find the right hand regex within the left hand string and return a matcher.
        Parameters:
        left - string to compare
        right - regular expression to compare the string to

      • createTuple

        public static Tuple createTuple​(Object[] array)

      • createList

        public static List createList​(Object[] values)

      • initialCapacity

        public static int initialCapacity​(int initialEntryCnt)
        According to the initial entry count, calculate the initial capacity of hash map, which is power of 2 (SEE https://stackoverflow.com/questions/8352378/why-does-hashmap-require-that-the-initial-capacity-be-a-power-of-two)
        Parameters:
        initialEntryCnt - the initial entry count
        Returns:
        the initial capacity

      • createMap

        public static Map createMap​(Object[] values)

      • assertFailed

        public static void assertFailed​(Object expression,
                                Object message)

      • createScript

        public static Script createScript​(Class scriptClass,
                                  Binding context)

      • setProperties

        public static void setProperties​(Object object,
                                 Map map)
        Sets the properties on the given object

      • write

        public static void write​(Writer out,
                         Object object)
                  throws IOException
        Writes an object to a Writer using Groovy's default representation for the object.
        Throws:
        IOException

      • append

        public static void append​(Appendable out,
                          Object object)
                   throws IOException
        Appends an object to an Appendable using Groovy's default representation for the object.
        Throws:
        IOException

      • format

        protected static String format​(Object arguments,
                               boolean verbose)

      • format

        public static String format​(Object arguments,
                            boolean verbose,
                            int maxSize)

      • format

        public static String format​(Object arguments,
                            boolean verbose,
                            int maxSize,
                            boolean safe)

      • escapeBackslashes

        public static String escapeBackslashes​(String orig)

      • toTypeString

        public static String toTypeString​(Object[] arguments)
        A helper method to format the arguments types as a comma-separated list.
        Parameters:
        arguments - the type to process
        Returns:
        the string representation of the type

      • toTypeString

        public static String toTypeString​(Object[] arguments,
                                  int maxSize)
        A helper method to format the arguments types as a comma-separated list.
        Parameters:
        arguments - the type to process
        maxSize - stop after approximately this many characters and append '...', -1 means don't stop
        Returns:
        the string representation of the type

      • toMapString

        public static String toMapString​(Map arg)
        A helper method to return the string representation of a map with bracket boundaries "[" and "]".
        Parameters:
        arg - the map to process
        Returns:
        the string representation of the map

      • toMapString

        public static String toMapString​(Map arg,
                                 int maxSize)
        A helper method to return the string representation of a map with bracket boundaries "[" and "]".
        Parameters:
        arg - the map to process
        maxSize - stop after approximately this many characters and append '...', -1 means don't stop
        Returns:
        the string representation of the map

      • toListString

        public static String toListString​(Collection arg)
        A helper method to return the string representation of a list with bracket boundaries "[" and "]".
        Parameters:
        arg - the collection to process
        Returns:
        the string representation of the collection

      • toListString

        public static String toListString​(Collection arg,
                                  int maxSize)
        A helper method to return the string representation of a list with bracket boundaries "[" and "]".
        Parameters:
        arg - the collection to process
        maxSize - stop after approximately this many characters and append '...'
        Returns:
        the string representation of the collection

      • toListString

        public static String toListString​(Collection arg,
                                  int maxSize,
                                  boolean safe)
        A helper method to return the string representation of a list with bracket boundaries "[" and "]".
        Parameters:
        arg - the collection to process
        maxSize - stop after approximately this many characters and append '...', -1 means don't stop
        safe - whether to use a default object representation for any item in the collection if an exception occurs when generating its toString
        Returns:
        the string representation of the collection

      • toArrayString

        public static String toArrayString​(Object[] arguments)
        A helper method to return the string representation of an array of objects with brace boundaries "[" and "]".
        Parameters:
        arguments - the array to process
        Returns:
        the string representation of the array

      • toArrayString

        public static String toArrayString​(Object[] arguments,
                                   int maxSize,
                                   boolean safe)
        A helper method to return the string representation of an array of objects with brace boundaries "[" and "]".
        Parameters:
        arguments - the array to process
        maxSize - stop after approximately this many characters and append '...'
        safe - whether to use a default object representation for any item in the array if an exception occurs when generating its toString
        Returns:
        the string representation of the array

      • createRange

        public static List createRange​(Object from,
                               Object to,
                               boolean inclusive)

      • bitwiseNegate

        public static Object bitwiseNegate​(Object value)

      • invokeMethod

        public static Object invokeMethod​(Object object,
                                  String methodName,
                                  Object arguments)
        Invokes the given method on the object.

      • invokeConstructorOf

        public static Object invokeConstructorOf​(Class type,
                                         Object arguments)

      • asArray

        public static Object[] asArray​(Object arguments)
        Converts the given object into an array; if its an array then just cast otherwise wrap it in an array

      • asUnwrappedArray

        public static Object[] asUnwrappedArray​(Object arguments)