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

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

Source:FieldAccessor.java

...44        boolean isStatic = (foundField.getModifiers() & Modifier.STATIC) == Modifier.STATIC;45        if (isStatic) {46            setStaticFieldUsingUnsafe(foundField, value);47        } else {48            setFieldUsingUnsafe(foundField, object, value);49        }50    }51    private static void setStaticFieldUsingUnsafe(final Field field, final Object newValue) {52        try {53            field.setAccessible(true);54            int fieldModifiersMask = field.getModifiers();55            boolean isFinalModifierPresent = (fieldModifiersMask & Modifier.FINAL) == Modifier.FINAL;56            if (isFinalModifierPresent) {57                AccessController.doPrivileged((PrivilegedAction<Object>) () -> {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);100        }101    }102    private static Unsafe getUnsafe() throws IllegalArgumentException, IllegalAccessException, NoSuchFieldException, SecurityException {103        Field field = Unsafe.class.getDeclaredField("theUnsafe");104        field.setAccessible(true);105        return (Unsafe) field.get(null);106    }107    private static void setFieldUsingUnsafe(Object base, Class type, long offset, Object newValue, Unsafe unsafe) {108        if (type == Integer.TYPE) {109            unsafe.putInt(base, offset, ((Integer) newValue));110        } else if (type == Short.TYPE) {111            unsafe.putShort(base, offset, ((Short) newValue));112        } else if (type == Long.TYPE) {113            unsafe.putLong(base, offset, ((Long) newValue));114        } else if (type == Byte.TYPE) {115            unsafe.putByte(base, offset, ((Byte) newValue));116        } else if (type == Boolean.TYPE) {117            unsafe.putBoolean(base, offset, ((Boolean) newValue));118        } else if (type == Float.TYPE) {119            unsafe.putFloat(base, offset, ((Float) newValue));120        } else if (type == Double.TYPE) {121            unsafe.putDouble(base, offset, ((Double) newValue));...

setFieldUsingUnsafe

Using AI Code Generation

1public class TestClass {2    public static void main(String[] args) {3        try {4            TestClass testClass = new TestClass();5            WhiteboxImpl whitebox = new WhiteboxImpl();6            whitebox.setFieldUsingUnsafe(testClass, "name", "test");7            System.out.println(testClass.name);8        } catch (Exception e) {9            e.printStackTrace();10        }11    }12    private String name;13}

setFieldUsingUnsafe

Using AI Code Generation

1WhiteboxImpl.setFieldUsingUnsafe("value", "field", "value");2WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "value");3WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "field", "value");4WhiteboxImpl.setFieldUsingUnsafe("value", "field", "value", "value");5WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "value", "value");6WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "field", "value", "value");7WhiteboxImpl.setFieldUsingUnsafe("value", "field", "value", "value", "value");8WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "value", "value", "value");9WhiteboxImpl.setFieldUsingUnsafe(WhiteboxImpl.class, "value", "field", "value", "value", "value");

setFieldUsingUnsafe

Using AI Code Generation

1    [javac] import sun.misc.Unsafe;2    [javac] import sun.reflect.ReflectionFactory;3    [javac] import sun.reflect.generics.reflectiveObjects.TypeVariableImpl;4    [javac] import sun.reflect.generics.repository.ClassRepository;5    [javac] import sun.reflect.generics.scope.ClassScope;6    [javac] import sun.reflect.generics.factory.CoreReflectionFactory;7    [javac] import sun.reflect.generics.parser.SignatureParser;

setFieldUsingUnsafe

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.powermock.api.mockito.PowerMockito;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.modules.junit4.PowerMockRunner;6import org.powermock.reflect.internal.WhiteboxImpl;7import static org.junit.Assert.assertEquals;8import static org.powermock.api.mockito.PowerMockito.mock;9@RunWith(PowerMockRunner.class)10@PrepareForTest({WhiteboxImpl.class})11public class TestClass {12    public void test() throws Exception {13        Object object = mock(Class.class);14        WhiteboxImpl.setFieldUsingUnsafe(object, "field", "value");15        String result = WhiteboxImpl.invokeMethod(object, "method");16        assertEquals("value", result);17    }18}

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