Package com.inductiveautomation.rm.base

Class RMClassUtils

  • public class RMClassUtils
extends java.lang.Object
    Utility methods for Class.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.Class fromPrimitive​(java.lang.Class aClass)
      Returns primitive type for non-primitive.
      static java.lang.Class getClass​(java.lang.Object anObj)
      Returns the class for an object.
      static java.lang.Class[] getClasses​(java.lang.String aPackageName)
      Returns the classes in a package name.
      static java.lang.Class getClassForName​(java.lang.String aName)
      Returns a class for a given name.
      static java.lang.Class getClassForName​(java.lang.String aName, java.lang.Object anObj)
      Returns a class for a given name, using the class loader of the given class.
      static java.lang.String getClassSimpleName​(java.lang.Object anObj)
      Returns simple class name of an object.
      static java.lang.String getClassStandardName​(java.lang.Object anObj, boolean doSimple)
      Returns a standard class name of an object, minus any weird notation, like inner-class $, etc.
      static java.lang.Class getCommonClass​(java.lang.Object... theObjects)
      Returns the common ancestor class for a list of objects.
      static java.lang.Class getCommonClass​(java.lang.Object anObj1, java.lang.Object anObj2)
      Returns the common ancestor class for two objects.
      static java.lang.Class getCommonClass​(java.util.List aList)
      Returns the common ancestor class for a list of objects.
      static java.lang.Class getDeclaredClass​(java.lang.Class aClass, java.lang.String aName)
      Returns a class for a parent class and a name.
      static java.lang.reflect.Field getDeclaredField​(java.lang.Class aClass, java.lang.String aName)
      Returns a field for a parent class and a name.
      static java.lang.reflect.Method getDeclaredMethod​(java.lang.Class aClass, java.lang.String aName, java.lang.Class[] theClasses)
      Returns the declared method for a given class, name and parameter types array.
      static java.lang.reflect.Field getField​(java.lang.Class aClass, java.lang.String aName)
      Returns a field for a parent class and a name.
      static <T> T getInstance​(java.lang.Object anObj, java.lang.Class<T> aClass)
      Returns the given object as instance of given class, if it is.
      static java.net.URL getJarURL​(java.lang.Class aClass)
      Returns the Jar URL for given class.
      static java.lang.String getJarURLS​(java.lang.Class aClass)
      Returns the root URL for given class (could be a "file:" (directory) or "jar:").
      static java.lang.reflect.Method getMethod​(java.lang.Class aClass, java.lang.String aName, java.lang.Class[] theClasses)
      Returns the method for given class, name and parameter types.
      static java.lang.Class getPrimitiveClassForName​(java.lang.String aName)
      Returns a primitive class for name.
      static java.net.URL getRootURL​(java.lang.Class aClass)
      Returns the plain URL (http: or file:) to the jar for given class.
      static java.lang.Class getTypeParameterClass​(java.lang.Class aClass)
      Returns a type parameter class.
      static boolean isAssignable​(java.lang.Class[] theClasses1, java.lang.Class[] theClasses2, int aCount)
      Returns whether second batch of classes is assignable to first batch of classes (accounting for auto-boxing).
      static boolean isAssignable​(java.lang.Class aClass1, java.lang.Class aClass2)
      Returns whether a given class could be assigned a value from the second given class (accounting for auto-boxing).
      static boolean isAssignablePrimitive​(java.lang.Class aClass1, java.lang.Class aClass2)
      Returns whether a given primitive class could be assigned a value from the second given class.
      static boolean isCompatible​(java.lang.reflect.Method aMethod, java.lang.Class[] theClasses)
      Returns whether arg classes are compatible.
      static boolean isPrimitiveClassName​(java.lang.String aName)
      Returns whether name is a primitive class name.
      static <T> T newInstance​(java.lang.Class<T> aClass)
      Returns a new instance of a given class.
      static <T> T newInstance​(T anObject)
      Returns a new instance of a given object.
      static java.lang.Class toPrimitive​(java.lang.Class aClass)
      Returns non primitive type for primitive.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • getClass

        @Nullable
public static java.lang.Class getClass​(java.lang.Object anObj)
        Returns the class for an object.

      • getInstance

        public static <T> T getInstance​(java.lang.Object anObj,
                                java.lang.Class<T> aClass)
        Returns the given object as instance of given class, if it is.

      • getClassSimpleName

        @Nonnull
public static java.lang.String getClassSimpleName​(java.lang.Object anObj)
        Returns simple class name of an object.

      • getClassStandardName

        @Nonnull
public static java.lang.String getClassStandardName​(java.lang.Object anObj,
                                                    boolean doSimple)
        Returns a standard class name of an object, minus any weird notation, like inner-class $, etc.

      • getClassForName

        public static java.lang.Class getClassForName​(java.lang.String aName)
        Returns a class for a given name.

      • getClassForName

        public static java.lang.Class getClassForName​(java.lang.String aName,
                                              java.lang.Object anObj)
        Returns a class for a given name, using the class loader of the given class.

      • isPrimitiveClassName

        public static boolean isPrimitiveClassName​(java.lang.String aName)
        Returns whether name is a primitive class name.

      • getPrimitiveClassForName

        @Nullable
public static java.lang.Class getPrimitiveClassForName​(java.lang.String aName)
        Returns a primitive class for name.

      • newInstance

        public static <T> T newInstance​(@Nonnull
                                T anObject)
        Returns a new instance of a given object.

      • newInstance

        public static <T> T newInstance​(java.lang.Class<T> aClass)
        Returns a new instance of a given class.

      • getField

        public static java.lang.reflect.Field getField​(@Nonnull
                                               java.lang.Class aClass,
                                               @Nullable
                                               java.lang.String aName)
        Returns a field for a parent class and a name.

      • getDeclaredField

        public static java.lang.reflect.Field getDeclaredField​(@Nonnull
                                                       java.lang.Class aClass,
                                                       @Nullable
                                                       java.lang.String aName)
        Returns a field for a parent class and a name.

      • getMethod

        public static java.lang.reflect.Method getMethod​(java.lang.Class aClass,
                                                 java.lang.String aName,
                                                 java.lang.Class[] theClasses)
        Returns the method for given class, name and parameter types.

      • getDeclaredMethod

        public static java.lang.reflect.Method getDeclaredMethod​(java.lang.Class aClass,
                                                         java.lang.String aName,
                                                         java.lang.Class[] theClasses)
        Returns the declared method for a given class, name and parameter types array.

      • getDeclaredClass

        public static java.lang.Class getDeclaredClass​(java.lang.Class aClass,
                                               java.lang.String aName)
        Returns a class for a parent class and a name.

      • isCompatible

        public static boolean isCompatible​(java.lang.reflect.Method aMethod,
                                   java.lang.Class[] theClasses)
        Returns whether arg classes are compatible.

      • isAssignable

        public static boolean isAssignable​(java.lang.Class[] theClasses1,
                                   java.lang.Class[] theClasses2,
                                   int aCount)
        Returns whether second batch of classes is assignable to first batch of classes (accounting for auto-boxing).

      • isAssignable

        public static boolean isAssignable​(java.lang.Class aClass1,
                                   java.lang.Class aClass2)
        Returns whether a given class could be assigned a value from the second given class (accounting for auto-boxing).

      • isAssignablePrimitive

        public static boolean isAssignablePrimitive​(java.lang.Class aClass1,
                                            java.lang.Class aClass2)
        Returns whether a given primitive class could be assigned a value from the second given class.

      • toPrimitive

        public static java.lang.Class toPrimitive​(java.lang.Class aClass)
        Returns non primitive type for primitive.

      • fromPrimitive

        public static java.lang.Class fromPrimitive​(java.lang.Class aClass)
        Returns primitive type for non-primitive.

      • getCommonClass

        public static java.lang.Class getCommonClass​(java.lang.Object anObj1,
                                             java.lang.Object anObj2)
        Returns the common ancestor class for two objects.

      • getCommonClass

        public static java.lang.Class getCommonClass​(java.lang.Object... theObjects)
        Returns the common ancestor class for a list of objects.

      • getCommonClass

        public static java.lang.Class getCommonClass​(java.util.List aList)
        Returns the common ancestor class for a list of objects.

      • getTypeParameterClass

        public static java.lang.Class getTypeParameterClass​(java.lang.Class aClass)
        Returns a type parameter class.

      • getClasses

        public static java.lang.Class[] getClasses​(java.lang.String aPackageName)
        Returns the classes in a package name. Busted for JNLP Web Start.

      • getRootURL

        public static java.net.URL getRootURL​(java.lang.Class aClass)
        Returns the plain URL (http: or file:) to the jar for given class.

      • getJarURL

        public static java.net.URL getJarURL​(java.lang.Class aClass)
        Returns the Jar URL for given class.

      • getJarURLS

        public static java.lang.String getJarURLS​(java.lang.Class aClass)
        Returns the root URL for given class (could be a "file:" (directory) or "jar:").