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

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

Source:WhiteboxImpl.java Github

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...91 final Class<?> originalStartClass = startClass;92 while (startClass != null) {93 final Field[] declaredFields = startClass.getDeclaredFields();94 for (Field field : declaredFields) {95 if (strategy.matches(field) && hasFieldProperModifier(object, field)) {96 if (foundField != null) {97 throw new TooManyFieldsFoundException("Two or more fields matching " + strategy + ".");98 }99 foundField = field;100 }101 }102 if (foundField != null) {103 break;104 } else if (!checkHierarchy) {105 break;106 }107 startClass = startClass.getSuperclass();108 }109 if (foundField == null) {110 strategy.notFound(originalStartClass, !isClass(object));111 return null;112 }113 foundField.setAccessible(true);114 return foundField;115 }116 /**117 * Checks for field proper modifier.118 *119 * @param object the object120 * @param field the field121 * @return true, if successful122 */123 private static boolean hasFieldProperModifier(Object object, Field field) {124 return ((object instanceof Class<?> && Modifier.isStatic(field.getModifiers())) || !(object instanceof Class<?> || Modifier125 .isStatic(field.getModifiers())));126 }127 /**128 * Get the value of a field using reflection. This method will traverse the129 * super class hierarchy until the first field of type <tt>fieldType</tt> is130 * found. The value of this field will be returned.131 *132 * @param <T> the generic type133 * @param object the object to modify134 * @param fieldType the type of the field135 * @return the internal state136 */137 @SuppressWarnings("unchecked")...

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hasFieldProperModifier

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1public class FieldModifierChecker {2 public static boolean hasFieldProperModifier(Field field, int modifier) {3 return WhiteboxImpl.hasFieldProperModifier(field, modifier);4 }5}6public class MethodModifierChecker {7 public static boolean hasMethodProperModifier(Method method, int modifier) {8 return WhiteboxImpl.hasMethodProperModifier(method, modifier);9 }10}11public class ConstructorModifierChecker {12 public static boolean hasConstructorProperModifier(Constructor<?> constructor, int modifier) {13 return WhiteboxImpl.hasConstructorProperModifier(constructor, modifier);14 }15}16public class ClassModifierChecker {17 public static boolean hasClassProperModifier(Class<?> clazz, int modifier) {18 return WhiteboxImpl.hasClassProperModifier(clazz, modifier);19 }20}21public class FieldStaticChecker {22 public static boolean isStatic(Field field) {23 return WhiteboxImpl.isStatic(field);24 }25}26public class MethodStaticChecker {27 public static boolean isStatic(Method method) {28 return WhiteboxImpl.isStatic(method);29 }30}31public class ConstructorStaticChecker {32 public static boolean isStatic(Constructor<?> constructor) {33 return WhiteboxImpl.isStatic(constructor);34 }35}36public class ClassStaticChecker {37 public static boolean isStatic(Class<?> clazz) {38 return WhiteboxImpl.isStatic(clazz);39 }40}

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hasFieldProperModifier

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1import org.powermock.reflect.internal.WhiteboxImpl;2public class WhiteboxImplExample {3 public static void main(String[] args) {4 System.out.println(WhiteboxImpl.hasFieldProperModifier(WhiteboxImplExample.class, "field", true));5 System.out.println(WhiteboxImpl.hasFieldProperModifier(WhiteboxImplExample.class, "field", false));6 }7 private static String field = "Hello World";8}9hasFieldProperModifier(Class<?> clazz, String fieldName, boolean isStatic)10hasFieldProperModifier(Class<?> clazz, String fieldName, boolean isStatic, boolean isFinal)

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hasFieldProperModifier

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1import java.lang.reflect.Field;2import java.lang.reflect.Modifier;3import java.util.Arrays;4import java.util.List;5import java.util.stream.Collectors;6public class CheckFieldModifier {7 public static void main(String[] args) throws Exception {8 Field field = hasFieldProperModifier(Test.class, "field", Modifier.PRIVATE);9 System.out.println(field);10 }11 private static Field hasFieldProperModifier(Class<?> clazz, String fieldName, int modifier) throws Exception {12 List<Field> fields = getAllFields(clazz);13 for (Field field : fields) {14 if (field.getName().equals(fieldName)) {15 if (Modifier.isPrivate(field.getModifiers()) == Modifier.isPrivate(modifier)) {16 return field;17 } else {18 throw new NoSuchFieldException("Field '" + fieldName + "' does not have proper modifier.");19 }20 }21 }22 throw new NoSuchFieldException("Field '" + fieldName + "' was not found in the class hierarchy.");23 }24 private static List<Field> getAllFields(Class<?> clazz) {25 List<Field> fields = Arrays.asList(clazz.getDeclaredFields());26 if (clazz.getSuperclass() != null) {27 List<Field> superFields = getAllFields(clazz.getSuperclass());28 fields = Stream.concat(fields.stream(), superFields.stream()).collect(Collectors.toList());29 }30 return fields;31 }32 static class Test {33 private String field;34 }35}

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