Package org.drools.util

Class ClassUtils

  • public final class ClassUtils
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      ClassUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Map<java.lang.String,​java.lang.Integer> accessorPriorityMap​(java.lang.String field)  
      static void addImportStylePatterns​(java.util.Map<java.lang.String,​java.lang.Object> patterns, java.lang.String str)
      Populates the import style pattern map from give comma delimited string
      static java.lang.String canonicalName​(java.lang.Class clazz)  
      static java.lang.Class<?> classFromType​(java.lang.reflect.Type t)  
      static java.lang.String convertClassToResourcePath​(java.lang.Class cls)
      Please do not use - internal org.my.Class -> org/my/Class.class
      static java.lang.String convertClassToResourcePath​(java.lang.String pName)  
      static java.lang.Class<?> convertFromPrimitiveType​(java.lang.Class<?> type)  
      static java.lang.Class<?> convertPrimitiveNameToType​(java.lang.String typeName)  
      static java.lang.String convertResourceToClassName​(java.lang.String pResourceName)
      Please do not use - internal org/my/Class.xxx -> org.my.Class
      static java.lang.Class<?> convertToPrimitiveType​(java.lang.Class<?> type)  
      static java.lang.Class extractGenericType​(java.lang.Class<?> clazz, java.lang.String methodName)  
      static java.lang.Class<?> findClass​(java.lang.String className, java.lang.ClassLoader cl)  
      static java.lang.Class<?> findClass​(java.lang.String name, java.util.Collection<java.lang.String> availableImports, java.lang.ClassLoader cl)  
      static java.lang.Class<?> findCommonSuperClass​(java.lang.Class<?> c1, java.lang.Class<?> c2)  
      static java.lang.ClassLoader findParentClassLoader​(java.lang.Class<?> invokingClass)  
      static java.lang.reflect.Method getAccessor​(java.lang.Class<?> clazz, java.lang.String field)  
      static java.lang.reflect.Method getAccessor​(java.lang.Class<?> clazz, java.lang.String field, boolean exceptionIfIncompatible)  
      static java.util.Set<java.lang.Class<?>> getAllImplementedInterfaceNames​(java.lang.Class<?> klass)  
      static java.lang.String getCanonicalSimpleName​(java.lang.Class<?> c)  
      static java.lang.String getCanonicalSimpleName​(java.lang.Class<?> c, char separator)  
      static java.lang.Class<?> getClassFromName​(java.lang.String className)  
      static java.lang.Class<?> getClassFromName​(java.lang.String className, boolean initialize, java.lang.ClassLoader classLoader)  
      static java.lang.reflect.Field getField​(java.lang.Class<?> clazz, java.lang.String field)  
      static java.lang.reflect.Member getFieldOrAccessor​(java.lang.Class clazz, java.lang.String property)  
      static java.lang.reflect.Method getGetterMethod​(java.lang.Class clazz, java.lang.String property)  
      static java.lang.String getGetterMethod​(java.lang.String s)  
      static java.util.Set<java.lang.Class<?>> getMinimalImplementedInterfaceNames​(java.lang.Class<?> klass)  
      static java.lang.String getPackage​(java.lang.Class<?> cls)
      Extracts the package name from the given class object
      static java.lang.reflect.Method getSetter​(java.lang.Class<?> clazz, java.lang.String field, java.lang.Class<?> parameterType)  
      static java.lang.String getSimpleName​(java.lang.Class<?> c)  
      static java.lang.String getter2property​(java.lang.String methodName)  
      static java.lang.reflect.Type getTypeArgument​(java.lang.reflect.Type genericType, int index)  
      static java.lang.Object instantiateObject​(java.lang.String className)  
      static java.lang.Object instantiateObject​(java.lang.String className, java.lang.ClassLoader classLoader)
      This method will attempt to create an instance of the specified Class.
      static java.lang.Object instantiateObject​(java.lang.String className, java.lang.ClassLoader classLoader, java.lang.Object... args)
      This method will attempt to create an instance of the specified Class.
      static java.lang.Object instantiateObject​(java.lang.String className, java.lang.Object... args)
      This method will attempt to create an instance of the specified Class.
      static boolean isAssignable​(java.lang.Class<?> type, java.lang.Object obj)  
      static boolean isAssignableFrom​(java.lang.reflect.Type from, java.lang.reflect.Type to)  
      static boolean isCaseSenstiveOS()  
      static boolean isCollection​(java.lang.reflect.Type t)  
      static boolean isConvertible​(java.lang.Class<?> srcPrimitive, java.lang.Class<?> tgtPrimitive)  
      static boolean isFinal​(java.lang.Class<?> clazz)  
      static boolean isGetter​(java.lang.String methodName)  
      static boolean isInterface​(java.lang.Class<?> clazz)  
      static boolean isJboss()  
      static boolean isMatched​(java.util.Map<java.lang.String,​java.lang.Object> patterns, java.lang.String className)
      Determines if a given full qualified class name matches any import style patterns.
      static boolean isNumericClass​(java.lang.Class<?> clazz)  
      static boolean isOSX()  
      static boolean isReadableProperty​(java.lang.Class clazz, java.lang.String property)  
      static boolean isSetter​(java.lang.String methodName)  
      static boolean isTypeCompatibleWithArgumentType​(java.lang.Class<?> actual, java.lang.Class<?> formal)  
      static boolean isWindows()  
      static java.lang.Class<?> loadClass​(java.lang.String className, java.lang.ClassLoader classLoader)
      This method will attempt to load the specified Class.
      static java.lang.Class<?> rawType​(java.lang.reflect.Type type)  
      static java.lang.String relative​(java.io.File base, java.io.File file)  
      static java.lang.Class<?> safeLoadClass​(java.lang.ClassLoader cl, java.lang.String name)  
      static java.lang.String setter2property​(java.lang.String methodName)  
      static java.lang.String stripExtension​(java.lang.String pResourceName)
      Please do not use - internal org/my/Class.xxx -> org/my/Class
      static java.lang.Class<?> toNonPrimitiveType​(java.lang.Class<?> c)  
      static java.lang.Class<?> toRawClass​(java.lang.reflect.Type type)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ClassUtils

        public ClassUtils()

    • Method Detail

      • toNonPrimitiveType

        public static java.lang.Class<?> toNonPrimitiveType​(java.lang.Class<?> c)

      • convertResourceToClassName

        public static java.lang.String convertResourceToClassName​(java.lang.String pResourceName)
        Please do not use - internal org/my/Class.xxx -> org.my.Class

      • convertClassToResourcePath

        public static java.lang.String convertClassToResourcePath​(java.lang.Class cls)
        Please do not use - internal org.my.Class -> org/my/Class.class

      • convertClassToResourcePath

        public static java.lang.String convertClassToResourcePath​(java.lang.String pName)

      • stripExtension

        public static java.lang.String stripExtension​(java.lang.String pResourceName)
        Please do not use - internal org/my/Class.xxx -> org/my/Class

      • relative

        public static java.lang.String relative​(java.io.File base,
                                        java.io.File file)

      • canonicalName

        public static java.lang.String canonicalName​(java.lang.Class clazz)

      • loadClass

        public static java.lang.Class<?> loadClass​(java.lang.String className,
                                           java.lang.ClassLoader classLoader)
        This method will attempt to load the specified Class. It uses a syncrhonized HashMap to cache the reflection Class lookup.

      • instantiateObject

        public static java.lang.Object instantiateObject​(java.lang.String className)

      • instantiateObject

        public static java.lang.Object instantiateObject​(java.lang.String className,
                                                 java.lang.ClassLoader classLoader)
        This method will attempt to create an instance of the specified Class. It uses a syncrhonized HashMap to cache the reflection Class lookup.

      • instantiateObject

        public static java.lang.Object instantiateObject​(java.lang.String className,
                                                 java.lang.ClassLoader classLoader,
                                                 java.lang.Object... args)
        This method will attempt to create an instance of the specified Class. It uses a synchronized HashMap to cache the reflection Class lookup. It will execute the default constructor with the passed in arguments
        Parameters:
        className - the name of the class
        args - arguments to default constructor

      • instantiateObject

        public static java.lang.Object instantiateObject​(java.lang.String className,
                                                 java.lang.Object... args)
        This method will attempt to create an instance of the specified Class. It uses a synchronized HashMap to cache the reflection Class lookup. It will execute the default constructor with the passed in arguments
        Parameters:
        className - teh name of the class
        args - arguments to default constructor

      • addImportStylePatterns

        public static void addImportStylePatterns​(java.util.Map<java.lang.String,​java.lang.Object> patterns,
                                          java.lang.String str)
        Populates the import style pattern map from give comma delimited string

      • isMatched

        public static boolean isMatched​(java.util.Map<java.lang.String,​java.lang.Object> patterns,
                                java.lang.String className)
        Determines if a given full qualified class name matches any import style patterns.

      • getPackage

        public static java.lang.String getPackage​(java.lang.Class<?> cls)
        Extracts the package name from the given class object

      • findClass

        public static java.lang.Class<?> findClass​(java.lang.String name,
                                           java.util.Collection<java.lang.String> availableImports,
                                           java.lang.ClassLoader cl)

      • findClass

        public static java.lang.Class<?> findClass​(java.lang.String className,
                                           java.lang.ClassLoader cl)

      • getField

        public static java.lang.reflect.Field getField​(java.lang.Class<?> clazz,
                                               java.lang.String field)

      • getAccessor

        public static java.lang.reflect.Method getAccessor​(java.lang.Class<?> clazz,
                                                   java.lang.String field)

      • getAccessor

        public static java.lang.reflect.Method getAccessor​(java.lang.Class<?> clazz,
                                                   java.lang.String field,
                                                   boolean exceptionIfIncompatible)

      • accessorPriorityMap

        public static java.util.Map<java.lang.String,​java.lang.Integer> accessorPriorityMap​(java.lang.String field)

      • getSetter

        public static java.lang.reflect.Method getSetter​(java.lang.Class<?> clazz,
                                                 java.lang.String field,
                                                 java.lang.Class<?> parameterType)

      • isReadableProperty

        public static boolean isReadableProperty​(java.lang.Class clazz,
                                         java.lang.String property)

      • getFieldOrAccessor

        public static java.lang.reflect.Member getFieldOrAccessor​(java.lang.Class clazz,
                                                          java.lang.String property)

      • getGetterMethod

        public static java.lang.reflect.Method getGetterMethod​(java.lang.Class clazz,
                                                       java.lang.String property)

      • getGetterMethod

        public static java.lang.String getGetterMethod​(java.lang.String s)

      • extractGenericType

        public static java.lang.Class extractGenericType​(java.lang.Class<?> clazz,
                                                 java.lang.String methodName)

      • getTypeArgument

        public static java.lang.reflect.Type getTypeArgument​(java.lang.reflect.Type genericType,
                                                     int index)

      • isAssignableFrom

        public static boolean isAssignableFrom​(java.lang.reflect.Type from,
                                       java.lang.reflect.Type to)

      • isCollection

        public static boolean isCollection​(java.lang.reflect.Type t)

      • classFromType

        public static java.lang.Class<?> classFromType​(java.lang.reflect.Type t)

      • toRawClass

        public static java.lang.Class<?> toRawClass​(java.lang.reflect.Type type)

      • rawType

        public static java.lang.Class<?> rawType​(java.lang.reflect.Type type)

      • isTypeCompatibleWithArgumentType

        public static boolean isTypeCompatibleWithArgumentType​(java.lang.Class<?> actual,
                                                       java.lang.Class<?> formal)

      • isAssignable

        public static boolean isAssignable​(java.lang.Class<?> type,
                                   java.lang.Object obj)

      • isConvertible

        public static boolean isConvertible​(java.lang.Class<?> srcPrimitive,
                                    java.lang.Class<?> tgtPrimitive)

      • isFinal

        public static boolean isFinal​(java.lang.Class<?> clazz)

      • isInterface

        public static boolean isInterface​(java.lang.Class<?> clazz)

      • getter2property

        public static java.lang.String getter2property​(java.lang.String methodName)

      • setter2property

        public static java.lang.String setter2property​(java.lang.String methodName)

      • isGetter

        public static boolean isGetter​(java.lang.String methodName)

      • isSetter

        public static boolean isSetter​(java.lang.String methodName)

      • convertFromPrimitiveType

        public static java.lang.Class<?> convertFromPrimitiveType​(java.lang.Class<?> type)

      • convertToPrimitiveType

        public static java.lang.Class<?> convertToPrimitiveType​(java.lang.Class<?> type)

      • convertPrimitiveNameToType

        public static java.lang.Class<?> convertPrimitiveNameToType​(java.lang.String typeName)

      • getAllImplementedInterfaceNames

        public static java.util.Set<java.lang.Class<?>> getAllImplementedInterfaceNames​(java.lang.Class<?> klass)

      • getMinimalImplementedInterfaceNames

        public static java.util.Set<java.lang.Class<?>> getMinimalImplementedInterfaceNames​(java.lang.Class<?> klass)

      • isCaseSenstiveOS

        public static boolean isCaseSenstiveOS()

      • isWindows

        public static boolean isWindows()

      • isOSX

        public static boolean isOSX()

      • isJboss

        public static boolean isJboss()

      • findCommonSuperClass

        public static java.lang.Class<?> findCommonSuperClass​(java.lang.Class<?> c1,
                                                      java.lang.Class<?> c2)

      • getClassFromName

        public static java.lang.Class<?> getClassFromName​(java.lang.String className)
                                           throws java.lang.ClassNotFoundException
        Throws:
        java.lang.ClassNotFoundException

      • getClassFromName

        public static java.lang.Class<?> getClassFromName​(java.lang.String className,
                                                  boolean initialize,
                                                  java.lang.ClassLoader classLoader)
                                           throws java.lang.ClassNotFoundException
        Throws:
        java.lang.ClassNotFoundException

      • safeLoadClass

        public static java.lang.Class<?> safeLoadClass​(java.lang.ClassLoader cl,
                                               java.lang.String name)

      • getSimpleName

        public static java.lang.String getSimpleName​(java.lang.Class<?> c)

      • getCanonicalSimpleName

        public static java.lang.String getCanonicalSimpleName​(java.lang.Class<?> c)

      • getCanonicalSimpleName

        public static java.lang.String getCanonicalSimpleName​(java.lang.Class<?> c,
                                                      char separator)

      • findParentClassLoader

        public static java.lang.ClassLoader findParentClassLoader​(java.lang.Class<?> invokingClass)

      • isNumericClass

        public static boolean isNumericClass​(java.lang.Class<?> clazz)