com.qualcomm.robotcore.util

Class ClassUtil

java.lang.Object

com.qualcomm.robotcore.util.ClassUtil

public class ClassUtil
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	ClassUtil.MappedByteBufferInfo

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	TAG

Constructor Summary

Constructors

Constructor and Description
ClassUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	decodeStringRes(java.lang.String string) If string starts with "@string/", the remainder is a string resource we are to look up and return.
protected static java.lang.Class	findClass(java.lang.String className)
static java.util.List<java.lang.reflect.Field>	getAllDeclaredFields(java.lang.Class clazz)
static java.util.List<java.lang.reflect.Method>	getAllDeclaredMethods(java.lang.Class clazz)
static java.util.List<java.lang.reflect.Constructor>	getDeclaredConstructors(java.lang.Class<?> clazz)
static java.lang.reflect.Field	getDeclaredField(java.lang.Class clazz, java.lang.String fieldName) Finds a hidden (using @hide) or non-public field in the indicated class or one of its superclasses.
static java.lang.reflect.Method	getDeclaredMethod(java.lang.Class clazz, java.lang.String methodName, java.lang.Class<?>... types) Finds a hidden (using @hide) or non-public method in the indicated class or one of its superclasses.
static java.util.List<java.lang.reflect.Field>	getLocalDeclaredFields(java.lang.Class<?> clazz)
static java.util.List<java.lang.reflect.Method>	getLocalDeclaredMethods(java.lang.Class<?> clazz)
static int	getStringResId(java.lang.String resName, java.lang.Class<?> c)
static boolean	inheritsFrom(java.lang.Class subclass, java.lang.Class superClass) Answers whether one class is or inherits from another
static java.lang.Object	invoke(java.lang.Object receiver, java.lang.reflect.Method method, java.lang.Object... args)
static long	memoryAddressFrom(java.nio.MappedByteBuffer buffer)
static boolean	searchInheritance(java.lang.Class clazz, Predicate<java.lang.Class<?>> predicate) Searches the inheritance tree for the first class for which the predicate returns true

Methods inherited from class java.lang.Object

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

Field Detail

TAG

public static final java.lang.String TAG

Constructor Detail

ClassUtil

public ClassUtil()

Method Detail

getDeclaredConstructors

public static java.util.List<java.lang.reflect.Constructor> getDeclaredConstructors(java.lang.Class<?> clazz)

inheritsFrom

public static boolean inheritsFrom(java.lang.Class subclass,
                                   java.lang.Class superClass)

Answers whether one class is or inherits from another

getDeclaredMethod

public static java.lang.reflect.Method getDeclaredMethod(java.lang.Class clazz,
                                                         java.lang.String methodName,
                                                         java.lang.Class<?>... types)

Finds a hidden (using @hide) or non-public method in the indicated class or one of its superclasses.

Returns:

the requested field, or null if no such method was found.

getAllDeclaredMethods

public static java.util.List<java.lang.reflect.Method> getAllDeclaredMethods(java.lang.Class clazz)

getLocalDeclaredMethods

public static java.util.List<java.lang.reflect.Method> getLocalDeclaredMethods(java.lang.Class<?> clazz)

getDeclaredField

public static java.lang.reflect.Field getDeclaredField(java.lang.Class clazz,
                                                       java.lang.String fieldName)

Finds a hidden (using @hide) or non-public field in the indicated class or one of its superclasses.

Returns:

the requested field, or null if no such field was found.

getAllDeclaredFields

public static java.util.List<java.lang.reflect.Field> getAllDeclaredFields(java.lang.Class clazz)

getLocalDeclaredFields

public static java.util.List<java.lang.reflect.Field> getLocalDeclaredFields(java.lang.Class<?> clazz)

invoke

public static java.lang.Object invoke(java.lang.Object receiver,
                                      java.lang.reflect.Method method,
                                      java.lang.Object... args)

searchInheritance

public static boolean searchInheritance(java.lang.Class clazz,
                                        Predicate<java.lang.Class<?>> predicate)

Searches the inheritance tree for the first class for which the predicate returns true

getStringResId

public static int getStringResId(java.lang.String resName,
                                 java.lang.Class<?> c)

decodeStringRes

public static java.lang.String decodeStringRes(java.lang.String string)

If string starts with "@string/", the remainder is a string resource we are to look up and return. Otherwise, we are just to return the string.

findClass

protected static java.lang.Class findClass(java.lang.String className)

memoryAddressFrom

public static long memoryAddressFrom(java.nio.MappedByteBuffer buffer)