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

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

Source:FieldAccessor.java

...34            throw new RuntimeException(e);35        }36    }37    public <T> void set(Object obj, T value) {38        setField(obj, value, field);39    }40    /*41     * https://github.com/powermock/powermock/blob/42c72daf9d8b04129178d1d3f1fb4e485d3c13dc/powermock-reflect/src/main/java/org/powermock/reflect/internal/WhiteboxImpl.java#L2298-L240342     */43    private static void setField(Object object, Object value, Field foundField) {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));...

setField

Using AI Code Generation

1package org.powermock.reflect;2import org.powermock.reflect.internal.WhiteboxImpl;3public class Whitebox {4    public static void setField(Object target, String fieldName, Object value) {5        new WhiteboxImpl().setField(target, fieldName, value);6    }7}8Whitebox.setField(target, fieldName, value);9package org.powermock.reflect;10import org.powermock.reflect.internal.WhiteboxImpl;11public class Whitebox {12    public static void setField(Object target, String fieldName, Object value) {13        new WhiteboxImpl().setField(target, fieldName, value);14    }15}16Whitebox.setField(target, fieldName, value);17package org.powermock.reflect;18import org.powermock.reflect.internal.WhiteboxImpl;19public class Whitebox {20    public static void setField(Object target, String fieldName, Object value) {21        new WhiteboxImpl().setField(target, fieldName, value);22    }23}24Whitebox.setField(target, fieldName, value);25package org.powermock.reflect;26import org.powermock.reflect.internal.WhiteboxImpl;27public class Whitebox {28    public static void setField(Object target, String fieldName, Object value) {29        new WhiteboxImpl().setField(target, fieldName, value);30    }31}32Whitebox.setField(target, fieldName, value);33package org.powermock.reflect;34import org.powermock.reflect.internal.WhiteboxImpl;35public class Whitebox {36    public static void setField(Object target, String fieldName, Object value) {37        new WhiteboxImpl().setField(target, fieldName, value);38    }39}40Whitebox.setField(target, fieldName, value);41package org.powermock.reflect;42import org.powermock.reflect.internal.WhiteboxImpl;43public class Whitebox {44    public static void setField(Object target, String fieldName, Object value) {45        new WhiteboxImpl().setField(target, fieldName, value);46    }

setField

Using AI Code Generation

1import org.powermock.reflect.internal.WhiteboxImpl;2public class PowerMockTest {3    public static void main(String[] args) throws Exception {4        ClassWithPrivateField classWithPrivateField = new ClassWithPrivateField();5        WhiteboxImpl whitebox = WhiteboxImpl.INSTANCE;6        whitebox.setField(classWithPrivateField, "privateField", "Hello World!");7        String privateFieldValue = (String) whitebox.getField(classWithPrivateField, "privateField");8        System.out.println(privateFieldValue);9    }10}

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