Package com.inductiveautomation.rm.base

Class RMClassUtils

java.lang.Object

com.inductiveautomation.rm.base.RMClassUtils

public class RMClassUtils
extends Object

Utility methods for Class.

Method Summary

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

getClass

@Nullable
public static Class getClass(Object anObj)

Returns the class for an object.

getInstance

public static <T> T getInstance(Object anObj,
 Class<T> aClass)

Returns the given object as instance of given class, if it is.

getClassSimpleName

@Nonnull
public static String getClassSimpleName(Object anObj)

Returns simple class name of an object.

getClassStandardName

@Nonnull
public static String getClassStandardName(Object anObj,
 boolean doSimple)

Returns a standard class name of an object, minus any weird notation, like inner-class $, etc.

getClassForName

public static Class getClassForName(String aName)

Returns a class for a given name.

getClassForName

public static Class getClassForName(String aName,
 Object anObj)

Returns a class for a given name, using the class loader of the given class.

isPrimitiveClassName

public static boolean isPrimitiveClassName(String aName)

Returns whether name is a primitive class name.

getPrimitiveClassForName

@Nullable
public static Class getPrimitiveClassForName(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(Class<T> aClass)

Returns a new instance of a given class.

getField

public static Field getField(@Nonnull
 Class aClass,
 @Nullable
 String aName)

Returns a field for a parent class and a name.

getDeclaredField

public static Field getDeclaredField(@Nonnull
 Class aClass,
 @Nullable
 String aName)

Returns a field for a parent class and a name.

getMethod

public static Method getMethod(Class aClass,
 String aName,
 Class[] theClasses)

Returns the method for given class, name and parameter types.

getDeclaredMethod

public static Method getDeclaredMethod(Class aClass,
 String aName,
 Class[] theClasses)

Returns the declared method for a given class, name and parameter types array.

getDeclaredClass

public static Class getDeclaredClass(Class aClass,
 String aName)

Returns a class for a parent class and a name.

isCompatible

public static boolean isCompatible(Method aMethod,
 Class[] theClasses)

Returns whether arg classes are compatible.

isAssignable

public static boolean isAssignable(Class[] theClasses1,
 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(Class aClass1,
 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(Class aClass1,
 Class aClass2)

Returns whether a given primitive class could be assigned a value from the second given class.

toPrimitive

public static Class toPrimitive(Class aClass)

Returns non primitive type for primitive.

fromPrimitive

public static Class fromPrimitive(Class aClass)

Returns primitive type for non-primitive.

getCommonClass

public static Class getCommonClass(Object anObj1,
 Object anObj2)

Returns the common ancestor class for two objects.

getCommonClass

public static Class getCommonClass(Object... theObjects)

Returns the common ancestor class for a list of objects.

getCommonClass

public static Class getCommonClass(List aList)

Returns the common ancestor class for a list of objects.

getTypeParameterClass

public static Class getTypeParameterClass(Class aClass)

Returns a type parameter class.

getClasses

public static Class[] getClasses(String aPackageName)

Returns the classes in a package name. Busted for JNLP Web Start.

getRootURL

public static URL getRootURL(Class aClass)

Returns the plain URL (http: or file:) to the jar for given class.

getJarURL

public static URL getJarURL(Class aClass)

Returns the Jar URL for given class.

getJarURLS

public static String getJarURLS(Class aClass)

Returns the root URL for given class (could be a "file:" (directory) or "jar:").