public class MetaClassHelper
extends java.lang.Object
| Modifier and Type | Field and Description | 
|---|---|
| static java.lang.Object[] | ARRAY_WITH_NULL | 
| static java.lang.Object[] | EMPTY_ARRAY | 
| static java.lang.Class[] | EMPTY_CLASS_ARRAY | 
| static java.lang.Class[] | EMPTY_TYPE_ARRAY | 
| protected static java.util.logging.Logger | LOG | 
| Constructor and Description | 
|---|
| MetaClassHelper() | 
| Modifier and Type | Method and Description | 
|---|---|
| static boolean | accessibleToConstructor(java.lang.Class at,
                       java.lang.reflect.Constructor constructor) | 
| static java.lang.Object | asPrimitiveArray(java.util.List list,
                java.lang.Class parameterType) | 
| static java.lang.Object[] | asWrapperArray(java.lang.Object parameters,
              java.lang.Class componentType) | 
| static long | calculateParameterDistance(java.lang.Class[] arguments,
                          ParameterTypes pt) | 
| static java.lang.String | capitalize(java.lang.String property)This is the complement to the java.beans.Introspector.decapitalize(String) method. | 
| static java.lang.Class[] | castArgumentsToClassArray(java.lang.Object[] argTypes) | 
| static java.lang.Object | chooseEmptyMethodParams(FastArray methods) | 
| static java.lang.Object | chooseMostGeneralMethodWith1NullParam(FastArray methods)Deprecated.   | 
| static boolean | containsMatchingMethod(java.util.List list,
                      MetaMethod method) | 
| static java.lang.String | convertPropertyName(java.lang.String prop)Converts a String into a standard property name. | 
| static java.lang.Class[] | convertToTypeArray(java.lang.Object[] args)param instance array to the type array | 
| static GroovyRuntimeException | createExceptionText(java.lang.String init,
                   MetaMethod method,
                   java.lang.Object object,
                   java.lang.Object[] args,
                   java.lang.Throwable reason,
                   boolean setReason) | 
| static void | doSetMetaClass(java.lang.Object self,
              MetaClass mc)Sets the meta class for an object, by delegating to the appropriate
  DefaultGroovyMethodshelper method. | 
| protected static java.lang.String | getClassName(java.lang.Object object) | 
| static Closure | getMethodPointer(java.lang.Object object,
                java.lang.String methodName)Returns a callable object for the given method name on the object. | 
| static boolean | isAssignableFrom(java.lang.Class classToTransformTo,
                java.lang.Class classToTransformFrom) | 
| static boolean | isGenericSetMethod(MetaMethod method) | 
| protected static boolean | isSuperclass(java.lang.Class clazz,
            java.lang.Class superclass) | 
| static void | logMethodCall(java.lang.Object object,
             java.lang.String methodName,
             java.lang.Object[] arguments) | 
| static java.lang.Object | makeArray(java.lang.Object obj,
         java.lang.Class secondary,
         int length) | 
| static java.lang.Object | makeCommonArray(java.lang.Object[] arguments,
               int offset,
               java.lang.Class fallback) | 
| protected static java.lang.String | normalizedValue(java.lang.Object argument) | 
| static boolean | parametersAreCompatible(java.lang.Class[] arguments,
                       java.lang.Class[] parameters) | 
| static boolean | sameClass(java.lang.Class[] params,
         java.lang.Object arg) | 
| static boolean | sameClasses(java.lang.Class[] params) | 
| static boolean | sameClasses(java.lang.Class[] params,
           java.lang.Object arg1) | 
| static boolean | sameClasses(java.lang.Class[] params,
           java.lang.Object[] arguments) | 
| static boolean | sameClasses(java.lang.Class[] params,
           java.lang.Object[] arguments,
           boolean weakNullCheck) | 
| static boolean | sameClasses(java.lang.Class[] params,
           java.lang.Object arg1,
           java.lang.Object arg2) | 
| static boolean | sameClasses(java.lang.Class[] params,
           java.lang.Object arg1,
           java.lang.Object arg2,
           java.lang.Object arg3) | 
| static boolean | sameClasses(java.lang.Class[] params,
           java.lang.Object arg1,
           java.lang.Object arg2,
           java.lang.Object arg3,
           java.lang.Object arg4) | 
| protected static java.lang.String | shortName(java.lang.Object object) | 
| static void | unwrap(java.lang.Object[] arguments) | 
| static java.lang.Class[] | wrap(java.lang.Class[] classes) | 
public static final java.lang.Object[] EMPTY_ARRAY
public static final java.lang.Class[] EMPTY_TYPE_ARRAY
public static final java.lang.Object[] ARRAY_WITH_NULL
protected static final java.util.logging.Logger LOG
public static final java.lang.Class[] EMPTY_CLASS_ARRAY
public static boolean accessibleToConstructor(java.lang.Class at,
                                              java.lang.reflect.Constructor constructor)
public static java.lang.Object[] asWrapperArray(java.lang.Object parameters,
                                                java.lang.Class componentType)
public static java.lang.Object asPrimitiveArray(java.util.List list,
                                                java.lang.Class parameterType)
list - the original listparameterType - the resulting array typepublic static long calculateParameterDistance(java.lang.Class[] arguments,
                                              ParameterTypes pt)
public static java.lang.String capitalize(java.lang.String property)
property - the property name to capitalizepublic static java.lang.Object chooseEmptyMethodParams(FastArray methods)
methods - the methods to choose from@Deprecated public static java.lang.Object chooseMostGeneralMethodWith1NullParam(FastArray methods)
methods - the methods to choose frompublic static boolean containsMatchingMethod(java.util.List list,
                                             MetaMethod method)
list - a list of MetaMethodsmethod - the MetaMethod of interestpublic static java.lang.Class[] convertToTypeArray(java.lang.Object[] args)
args - the argumentspublic static java.lang.Object makeCommonArray(java.lang.Object[] arguments,
                                               int offset,
                                               java.lang.Class fallback)
public static java.lang.Object makeArray(java.lang.Object obj,
                                         java.lang.Class secondary,
                                         int length)
public static GroovyRuntimeException createExceptionText(java.lang.String init, MetaMethod method, java.lang.Object object, java.lang.Object[] args, java.lang.Throwable reason, boolean setReason)
protected static java.lang.String getClassName(java.lang.Object object)
public static Closure getMethodPointer(java.lang.Object object, java.lang.String methodName)
object - the object containing the methodmethodName - the method of interestpublic static boolean isAssignableFrom(java.lang.Class classToTransformTo,
                                       java.lang.Class classToTransformFrom)
public static boolean isGenericSetMethod(MetaMethod method)
protected static boolean isSuperclass(java.lang.Class clazz,
                                      java.lang.Class superclass)
public static boolean parametersAreCompatible(java.lang.Class[] arguments,
                                              java.lang.Class[] parameters)
public static void logMethodCall(java.lang.Object object,
                                 java.lang.String methodName,
                                 java.lang.Object[] arguments)
protected static java.lang.String normalizedValue(java.lang.Object argument)
protected static java.lang.String shortName(java.lang.Object object)
public static java.lang.Class[] wrap(java.lang.Class[] classes)
public static boolean sameClasses(java.lang.Class[] params,
                                  java.lang.Object[] arguments,
                                  boolean weakNullCheck)
public static boolean sameClasses(java.lang.Class[] params,
                                  java.lang.Object[] arguments)
public static boolean sameClasses(java.lang.Class[] params)
public static boolean sameClasses(java.lang.Class[] params,
                                  java.lang.Object arg1)
public static boolean sameClasses(java.lang.Class[] params,
                                  java.lang.Object arg1,
                                  java.lang.Object arg2)
public static boolean sameClasses(java.lang.Class[] params,
                                  java.lang.Object arg1,
                                  java.lang.Object arg2,
                                  java.lang.Object arg3)
public static boolean sameClasses(java.lang.Class[] params,
                                  java.lang.Object arg1,
                                  java.lang.Object arg2,
                                  java.lang.Object arg3,
                                  java.lang.Object arg4)
public static boolean sameClass(java.lang.Class[] params,
                                java.lang.Object arg)
public static java.lang.Class[] castArgumentsToClassArray(java.lang.Object[] argTypes)
public static void unwrap(java.lang.Object[] arguments)
public static void doSetMetaClass(java.lang.Object self,
                                  MetaClass mc)
DefaultGroovyMethods helper method. This method was introduced as
 a breaking change in 2.0 to solve rare cases of stack overflow. See GROOVY-5285.
 The method is named doSetMetaClass in order to prevent misusages. Do not use
 this method directly unless you know what you do.self - the object for which to set the meta classmc - the metaclasspublic static java.lang.String convertPropertyName(java.lang.String prop)
prop - the original name