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How to use write method of org.powermock.classloading.DeepCloner class

Best Powermock code snippet using org.powermock.classloading.DeepCloner.write

Source:DeepCloner.java

...160		ObjectInputStream ois = null;161		try {162			ByteArrayOutputStream bos = new ByteArrayOutputStream();163			oos = new ObjectOutputStream(bos);164			oos.writeObject(source);165			oos.flush();166			ByteArrayInputStream bin = new ByteArrayInputStream(bos.toByteArray());167			ois = new ObjectInputStream(bin);168			return ois.readObject();169		} catch (Exception e) {170			throw new RuntimeException(e);171		} finally {172			close(oos);173			close(ois);174		}175	}176	private void close(Closeable closeable) {177		try {178			if (closeable != null) {179				closeable.close();180			}181		} catch (IOException e) {182		}183	}184	@SuppressWarnings({ "unchecked", "rawtypes" })185	private Object cloneEnum(ClassLoader targetCL, Object source) {186		Object target;187		final Class enumClassLoadedByTargetCL = ClassLoaderUtil.loadClass(getType(source), targetCL);188		target = getEnumValue(source, enumClassLoadedByTargetCL);189		return target;190	}191	@SuppressWarnings("unchecked")192	private <T> void cloneFields(ClassLoader targetCL, Class<T> targetClass, Object source, Object target,193			Map<Object, Object> referenceMap, boolean cloneStandardJavaTypes) {194		Class<?> currentTargetClass = targetClass;195		while (currentTargetClass != null) {196			for (Field field : currentTargetClass.getDeclaredFields()) {197				if (field.getAnnotation(doNotClone) != null) {198					continue;199				}200				field.setAccessible(true);201				try {202					final Field declaredField = Whitebox.getField(getType(source), field.getName());203					declaredField.setAccessible(true);204					final Object object = declaredField.get(source);205					final Object instantiatedValue;206					if (object == source) {207						instantiatedValue = target;208					} else if (referenceMap.containsKey(object)) {209						instantiatedValue = referenceMap.get(object);210					} else {211						if (object == null && !isIterable(object)) {212							instantiatedValue = object;213						} else {214							Class<Object> type = getType(object);215							if (type.getName().equals("void")) {216								type = Class.class.cast(Class.class);217							}218							final Class<Object> typeLoadedByCL = ClassLoaderUtil.loadClass(type, targetCL219                            );220							if (type.isEnum()) {221								instantiatedValue = getEnumValue(object, typeLoadedByCL);222							} else {223								instantiatedValue = performClone(typeLoadedByCL, object, cloneStandardJavaTypes);224							}225						}226					}227					final boolean needsUnsafeWrite = field.isEnumConstant() || isStaticFinalModifier(field);228					if (needsUnsafeWrite) {229						UnsafeFieldWriter.write(field, target, instantiatedValue);230					} else {231						field.set(target, instantiatedValue);232					}233				} catch (RuntimeException e) {234					throw e;235				} catch (Exception e) {236					throw new RuntimeException(e);237				}238			}239			currentTargetClass = currentTargetClass.getSuperclass();240		}241	}242	private static <T> boolean isStandardJavaType(Class<T> targetClass) {243		return targetClass.getName().startsWith("java.");244	}245	private static boolean isStaticFinalModifier(final Field field) {246		final int modifiers = field.getModifiers();247		return Modifier.isFinal(modifiers) && Modifier.isStatic(modifiers)248				|| field.getDeclaringClass().equals(Character.class) && field.getName().equals("MIN_RADIX");249	}250	private static boolean isIterable(final Object object) {251		return object != null && isIterable(object.getClass());252	}253	private static boolean isIterable(final Class<?> cls) {254		return Iterable.class.isAssignableFrom(cls);255	}256	@SuppressWarnings({ "unchecked", "rawtypes" })257	private static Enum getEnumValue(final Object enumValueOfSourceClassloader,258			final Class<Object> enumTypeLoadedByTargetCL) {259		return Enum.valueOf((Class) enumTypeLoadedByTargetCL, ((Enum) enumValueOfSourceClassloader).toString());260	}261	private Object instantiateArray(ClassLoader targetCL, Class<?> arrayClass, Object objectToClone,262                                    boolean cloneStandardJavaTypes) {263		final int arrayLength = Array.getLength(objectToClone);264		final Object array = Array.newInstance(arrayClass.getComponentType(), arrayLength);265		for (int i = 0; i < arrayLength; i++) {266			final Object object = Array.get(objectToClone, i);267			final Object performClone;268			if (object == null) {269				performClone = null;270			} else {271				performClone = performClone(ClassLoaderUtil.loadClass(getType(object), targetCL),272						object, cloneStandardJavaTypes);273			}274			Array.set(array, i, performClone);275		}276		return array;277	}278	/**279	 * Most of this code has been copied from the Sun14ReflectionProvider in the280	 * XStream project. Some changes has been made, namely if the field is281	 * static final then the {@link Unsafe#staticFieldOffset(Field)} method is282	 * used instead of {@link Unsafe#objectFieldOffset(Field)}.283	 * 284	 * @author Joe Walnes285	 * @author Brian Slesinsky286	 * @author Johan Haleby287	 */288	private static class UnsafeFieldWriter {289		private final static Unsafe unsafe;290		private final static Exception exception;291		static {292			Unsafe u = null;293			Exception ex = null;294			try {295				Class<?> objectStreamClass = Class.forName("sun.misc.Unsafe");296				Field unsafeField = objectStreamClass.getDeclaredField("theUnsafe");297				unsafeField.setAccessible(true);298				u = (Unsafe) unsafeField.get(null);299			} catch (Exception e) {300				ex = e;301			}302			exception = ex;303			unsafe = u;304		}305		public static void write(Field field, Object object, Object value) {306			if (exception != null) {307				throw new RuntimeException("Could not set field " + object.getClass() + "." + field.getName(),308						exception);309			}310			try {311				final long offset;312				if (DeepCloner.isStaticFinalModifier(field)) {313					offset = unsafe.staticFieldOffset(field);314				} else {315					offset = unsafe.objectFieldOffset(field);316				}317				Class<?> type = field.getType();318				if (type.isPrimitive()) {319					if (type.equals(Integer.TYPE)) {...

write

Using AI Code Generation

1package org.powermock.classloading;2import java.io.IOException;3import java.io.ObjectOutputStream;4import java.io.OutputStream;5import java.io.Serializable;6public class DeepCloner {7    public static <T extends Serializable> T clone(T object) {8        try {9            return write(object);10        } catch (IOException e) {11            throw new RuntimeException(e);12        }13    }14    private static <T extends Serializable> T write(T object) throws IOException {15        OutputStream baos = new ByteArrayOutputStream();16        ObjectOutputStream oos = new ObjectOutputStream(baos);17        oos.writeObject(object);18        oos.close();19        return read(baos);20    }21    private static <T extends Serializable> T read(OutputStream baos) throws IOException {22        return null;23    }24}25package org.powermock.classloading;26import java.io.IOException;27import java.io.ObjectInputStream;28import java.io.OutputStream;29import java.io.Serializable;30public class DeepCloner {31    public static <T extends Serializable> T clone(T object) {32        try {33            return write(object);34        } catch (IOException e) {35            throw new RuntimeException(e);36        }37    }38    private static <T extends Serializable> T write(T object) throws IOException {39        OutputStream baos = new ByteArrayOutputStream();40        ObjectOutputStream oos = new ObjectOutputStream(baos);41        oos.writeObject(object);42        oos.close();43        return read(baos);44    }45    private static <T extends Serializable> T read(OutputStream baos) throws IOException {46        return null;47    }48}49package org.powermock.classloading;50import java.io.IOException;51import java.io.ObjectOutputStream;52import java.io.OutputStream;53import java.io.Serializable;54import org.powermock.api.easymock.PowerMock;55import org.powermock.api.easymock.annotation.Mock;56import org.powermock.api.easymock.annotation.MockNice;57import org.powermock.api.easymock.annotation.MockStrict;58import org.powermock.api.e

write

Using AI Code Generation

1public class DeepCloneTest {2    public void testDeepClone() throws Exception {3        DeepCloneTest deepCloneTest = new DeepCloneTest();4        DeepCloneTest deepCloneTestClone = (DeepCloneTest) DeepCloner.write(deepCloneTest);5        Assert.assertNotEquals(deepCloneTest, deepCloneTestClone);6    }7}

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