How to use getType method of org.powermock.reflect.internal.WhiteboxImpl class

Best Powermock code snippet using org.powermock.reflect.internal.WhiteboxImpl.getType

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...507 }508 /​**509 * @return The type of the of an object.510 */​511 public static Class<?> getType(Object object) {512 return WhiteboxImpl.getType(object);513 }514 /​**515 * Get all fields annotated with a particular annotation. This method516 * traverses the class hierarchy when checking for the annotation.517 * 518 * @param object519 * The object to look for annotations. Note that if're you're520 * passing an object only instance fields are checked, passing a521 * class will only check static fields.522 * @param annotation523 * The annotation type to look for.524 * @param additionalAnnotations525 * Optionally more annotations to look for. If any of the526 * annotations are associated with a particular field it will be...

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...58 try {59 Unsafe unsafe = getUnsafe();60 long offset = unsafe.staticFieldOffset(field);61 Object base = unsafe.staticFieldBase(field);62 setFieldUsingUnsafe(base, field.getType(), offset, newValue, unsafe);63 return null;64 } catch (Throwable t) {65 throw new RuntimeException(t);66 }67 });68 } else {69 field.set(null, newValue);70 }71 } catch (SecurityException | IllegalAccessException | IllegalArgumentException ex) {72 throw new RuntimeException(ex);73 }74 }75 private static void setFieldUsingUnsafe(final Field field, final Object object, final Object newValue) {76 try {77 field.setAccessible(true);78 int fieldModifiersMask = field.getModifiers();79 boolean isFinalModifierPresent = (fieldModifiersMask & Modifier.FINAL) == Modifier.FINAL;80 if (isFinalModifierPresent) {81 AccessController.doPrivileged((PrivilegedAction<Object>) () -> {82 try {83 Unsafe unsafe = getUnsafe();84 long offset = unsafe.objectFieldOffset(field);85 setFieldUsingUnsafe(object, field.getType(), offset, newValue, unsafe);86 return null;87 } catch (Throwable t) {88 throw new RuntimeException(t);89 }90 });91 } else {92 try {93 field.set(object, newValue);94 } catch (IllegalAccessException ex) {95 throw new RuntimeException(ex);96 }97 }98 } catch (SecurityException ex) {99 throw new RuntimeException(ex);...

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getType

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1package org.powermock.reflect.internal;2import java.lang.reflect.Field;3import java.lang.reflect.Method;4import org.powermock.reflect.Whitebox;5import org.powermock.reflect.exceptions.FieldNotFoundException;6import org.powermock.reflect.exceptions.MethodNotFoundException;7public class WhiteboxImpl extends Whitebox {8 public static Object getInternalState(Object object, String fieldName) throws FieldNotFoundException {9 try {10 Field field = getField(object.getClass(), fieldName);11 field.setAccessible(true);12 return field.get(object);13 } catch (Exception e) {14 throw new FieldNotFoundException(e);15 }16 }17 public static Object invokeMethod(Object object, String methodName, Object... parameters) throws MethodNotFoundException {18 try {19 Method method = getMethod(object.getClass(), methodName, parameters);20 method.setAccessible(true);21 return method.invoke(object, parameters);22 } catch (Exception e) {23 throw new MethodNotFoundException(e);24 }25 }26 public static void setInternalState(Object object, String fieldName, Object value) throws FieldNotFoundException {27 try {28 Field field = getField(object.getClass(), fieldName);29 field.setAccessible(true);30 field.set(object, value);31 } catch (Exception e) {32 throw new FieldNotFoundException(e);33 }34 }35 public static Class<?> getType(Object object, String fieldName) throws FieldNotFoundException {36 try {37 Field field = getField(object.getClass(), fieldName);38 field.setAccessible(true);39 return field.getType();40 } catch (Exception e) {41 throw new FieldNotFoundException(e);42 }43 }44}45package org.powermock.reflect.internal;46import java.lang.reflect.Field;47import java.lang.reflect.Method;48import org.powermock.reflect.Whitebox;49import org.powermock.reflect.exceptions.FieldNotFoundException;50import org.powermock.reflect.exceptions.MethodNotFoundException;51public class WhiteboxImpl extends Whitebox {52 public static Object getInternalState(Object object, String fieldName) throws FieldNotFoundException {53 try {54 Field field = getField(object.getClass(), fieldName);55 field.setAccessible(true);56 return field.get(object);57 } catch (Exception e) {58 throw new FieldNotFoundException(e);59 }60 }61 public static Object invokeMethod(Object object, String methodName, Object... parameters) throws MethodNotFoundException {62 try {63 Method method = getMethod(object.getClass(), methodName, parameters);64 method.setAccessible(true);65 return method.invoke(object, parameters);

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getType

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1import java.lang.reflect.Field;2import java.lang.reflect.Method;3import java.lang.reflect.Constructor;4import org.powermock.reflect.internal.WhiteboxImpl;5import org.powermock.reflect.exceptions.FieldNotFoundException;6import org.powermock.reflect.exceptions.MethodNotFoundException;7import org.powermock.reflect.exceptions.ConstructorNotFoundException;8import org.powermock.reflect.exceptions.TooManyMethodsFoundException;9import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;10import org.powermock.reflect.exceptions.TooManyFieldsFoundException;11public class 4 {12 public static void main(String[] args) {13 try {14 Class c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");15 Method m = WhiteboxImpl.getMethod(c, "getType", Field.class);16 System.out.println(m);17 } catch (MethodNotFoundException e) {18 e.printStackTrace();19 } catch (TooManyMethodsFoundException e) {20 e.printStackTrace();21 } catch (ClassNotFoundException e) {22 e.printStackTrace();23 }24 try {25 Class c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");26 Method m = WhiteboxImpl.getMethod(c, "getType", Method.class);27 System.out.println(m);28 } catch (MethodNotFoundException e) {29 e.printStackTrace();30 } catch (TooManyMethodsFoundException e) {31 e.printStackTrace();32 } catch (ClassNotFoundException e) {33 e.printStackTrace();34 }35 try {36 Class c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");37 Method m = WhiteboxImpl.getMethod(c, "getType", Constructor.class);38 System.out.println(m);39 } catch (MethodNotFoundException e) {40 e.printStackTrace();41 } catch (TooManyMethodsFoundException e) {42 e.printStackTrace();43 } catch (ClassNotFoundException e) {44 e.printStackTrace();45 }46 try {47 Class c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");48 Method m = WhiteboxImpl.getMethod(c, "getType", String.class);49 System.out.println(m);50 } catch (MethodNotFoundException e) {51 e.printStackTrace();52 } catch (TooManyMethodsFoundException e) {53 e.printStackTrace();54 } catch (ClassNotFoundException e) {55 e.printStackTrace();56 }57 }58}59java.lang.NoSuchMethodException: org.powermock.reflect.internal.WhiteboxImpl.getType(java.lang.reflect.Field)60 at java.base/​java.lang.Class.getMethod(Class.java:2108)61 at 4.main(4.java:19)

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getType

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1package org.powermock.reflect.internal;2import java.lang.reflect.Field;3import java.lang.reflect.Method;4import java.lang.reflect.Modifier;5import java.util.Arrays;6import java.util.HashSet;7import java.util.Set;8public class WhiteboxImpl {9 public static void main(String[] args) {10 try {11 Class<?> c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");12 Method[] methods = c.getDeclaredMethods();13 for (Method method : methods) {14 if (method.getName().equals("getType")) {15 method.setAccessible(true);16 method.invoke(null, new Object[] { new Object() });17 }18 }19 } catch (Exception e) {20 e.printStackTrace();21 }22 }23 public static Class<?> getType(final Object object) {24 if (object == null) {25 throw new IllegalArgumentException("Object cannot be null");26 }27 return object.getClass();28 }29}30package org.powermock.reflect.internal;31import java.lang.reflect.Field;32import java.lang.reflect.Method;33import java.lang.reflect.Modifier;34import java.util.Arrays;35import java.util.HashSet;36import java.util.Set;37public class WhiteboxImpl {38 public static void main(String[] args) {39 try {40 Class<?> c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");41 Method[] methods = c.getDeclaredMethods();42 for (Method method : methods) {43 if (method.getName().equals("getType")) {44 method.setAccessible(true);45 method.invoke(null, new Object[] { new Object() });46 }47 }48 } catch (Exception e) {49 e.printStackTrace();50 }51 }52 public static Class<?> getType(final Object object) {53 if (object == null) {54 throw new IllegalArgumentException("Object cannot be null");55 }56 return object.getClass();57 }58}59package org.powermock.reflect.internal;60import java.lang.reflect.Field;61import java.lang.reflect.Method;62import java.lang.reflect.Modifier;63import java.util.Arrays;64import java.util.HashSet;65import java.util.Set;66public class WhiteboxImpl {67 public static void main(String[] args) {68 try {69 Class<?> c = Class.forName("org.powermock.reflect.internal.WhiteboxImpl");

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getType

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1import org.powermock.reflect.internal.WhiteboxImpl;2public class Test {3 public static void main(String[] args) {4 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();5 System.out.println(whiteboxImpl.getType(String.class));6 }7}8import org.powermock.reflect.internal.WhiteboxImpl;9public class Test {10 public static void main(String[] args) {11 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();12 System.out.println(whiteboxImpl.getSuperclass(String.class));13 }14}15import org.powermock.reflect.internal.WhiteboxImpl;16public class Test {17 public static void main(String[] args) {18 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();19 System.out.println(whiteboxImpl.getInterfaces(String.class));20 }21}22import org.powermock.reflect.internal.WhiteboxImpl;23public class Test {24 public static void main(String[] args) {25 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();26 System.out.println(whiteboxImpl.getFields(String.class));27 }28}29import org.powermock.reflect.internal.WhiteboxImpl;30public class Test {31 public static void main(String[] args) {32 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();33 System.out.println(whiteboxImpl.getDeclaredFields(String.class));34 }35}

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getType

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1package com.test;2import org.powermock.reflect.Whitebox;3import org.powermock.reflect.internal.WhiteboxImpl;4public class Test {5 public static void main(String[] args) {6 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();7 Class<?> type = whiteboxImpl.getType("java.lang.String");8 System.out.println(type);9 }10}11package com.test;12import java.lang.reflect.Method;13import org.powermock.reflect.internal.WhiteboxImpl;14public class Test {15 public static void main(String[] args) throws Exception {16 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();17 Method method = whiteboxImpl.getMethod("java.lang.String", "length");18 System.out.println(method);19 }20}21public int java.lang.String.length()22package com.test;23import org.powermock.reflect.internal.WhiteboxImpl;24public class Test {25 public static void main(String[] args) throws Exception {26 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();27 whiteboxImpl.setInternalState("java.lang.String", "value", "test");28 System.out.println("java.lang.String.value:" + "java.lang.String".value);29 }30}31package com.test;32import org.powermock.reflect.internal.WhiteboxImpl;33public class Test {34 public static void main(String[] args) throws Exception {35 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();36 whiteboxImpl.setInternalState("java.lang.String", "value", "test");37 System.out.println("java.lang.String.value:" + whiteboxImpl.getInternalState("java.lang.String", "value"));38 }39}40package com.test;41import org.powermock.reflect.internal.WhiteboxImpl;42public class Test {43 public static void main(String[] args) throws Exception {44 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();

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getType

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1import org.powermock.reflect.internal.WhiteboxImpl;2public class Test{3 public static void main(String[] args){4 WhiteboxImpl whiteboxImpl = new WhiteboxImpl();5 System.out.println(whiteboxImpl.getType("4.java"));6 }7}

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getType

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1package org.powermock.reflect.internal;2import java.lang.reflect.Constructor;3import java.lang.reflect.Method;4import java.lang.reflect.Modifier;5import java.util.Arrays;6import java.util.List;7import org.powermock.reflect.exceptions.ConstructorNotFoundException;8import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;9public class WhiteboxImpl {10 public static <T> Class<? extends T> getType(Class<T> clazz, Class<?>... parameterTypes) throws Exception {11 Constructor<?> constructor;12 try {13 constructor = clazz.getDeclaredConstructor(parameterTypes);14 } catch (NoSuchMethodException e) {15 throw new ConstructorNotFoundException("No constructor with parameter types " + Arrays.toString(parameterTypes) + " was found in class " + clazz.getName());16 }17 if (!Modifier.isPublic(constructor.getModifiers())) {18 constructor.setAccessible(true);19 }20 return (Class<? extends T>) constructor.newInstance();21 }22}23package org.powermock.reflect.internal;24import java.lang.reflect.Constructor;25import java.lang.reflect.Method;26import java.lang.reflect.Modifier;27import java.util.Arrays;28import java.util.List;29import org.powermock.reflect.exceptions.ConstructorNotFoundException;30import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;31public class WhiteboxImpl {32 public static <T> Constructor<T> getConstructor(Class<T> clazz, Class<?>... parameterTypes) throws Exception {33 Constructor<?> constructor;34 try {35 constructor = clazz.getDeclaredConstructor(parameterTypes);36 } catch (NoSuchMethodException e) {37 throw new ConstructorNotFoundException("No constructor with parameter types " + Arrays.toString(parameterTypes) + " was found in class " + clazz.getName());38 }39 if (!Modifier.isPublic(constructor.getModifiers())) {40 constructor.setAccessible(true);41 }42 return (Constructor<T>) constructor.newInstance();43 }44}45package org.powermock.reflect.internal;46import java.lang.reflect.Constructor;47import java.lang.reflect.Method;48import java.lang.reflect.Modifier;49import java.util.Arrays;50import java.util.List;51import org.powermock.reflect.exceptions.ConstructorNotFoundException;52import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;53public class WhiteboxImpl {

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getType

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1import org.powermock.reflect.internal.WhiteboxImpl;2import java.lang.reflect.Field;3import java.lang.reflect.Type;4public class Test {5 public static void main(String[] args) throws Exception {6 Field field = A.class.getDeclaredField("field");7 Type type = WhiteboxImpl.getType(field);8 System.out.println(type);9 }10}11class A {12 public String field;13}

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