Java Code Examples for java.lang.reflect.Field#getAnnotation()
The following examples show how to use
java.lang.reflect.Field#getAnnotation() .
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Example 1
Source File: BeanUtils.java From spring-content with Apache License 2.0 | 6 votes |
public static Field[] findFieldsWithAnnotation(Class<?> domainObjClass, Class<? extends Annotation> annotationClass, BeanWrapper wrapper) { List<Field> fields = new ArrayList<>(); PropertyDescriptor[] descriptors = wrapper.getPropertyDescriptors(); for (PropertyDescriptor descriptor : descriptors) { Field candidate = getField(domainObjClass, descriptor.getName()); if (candidate != null) { if (candidate.getAnnotation(annotationClass) != null) { fields.add(candidate); } } } for (Field field : getAllFields(domainObjClass)) { if (field.getAnnotation(annotationClass) != null) { if (fields.contains(field) == false) { fields.add(field); } } } return fields.toArray(new Field[] {}); }
Example 2
Source File: ReflectionTableParser.java From openemm with GNU Affero General Public License v3.0 | 6 votes |
private Map<String, ColumnDefinition> getColumnDefinitionsFromFields(Object object) { Class<?> clazz = object.getClass(); if (Objects.isNull(AnnotationUtils.findAnnotation(clazz, textTableClass))) { return Collections.emptyMap(); } Map<String, ColumnDefinition> columnDefinitions = new LinkedHashMap<>(); for (Field field : object.getClass().getDeclaredFields()) { if (field.isAnnotationPresent(textColumnClass)) { TextColumn textColumn = field.getAnnotation(textColumnClass); String columnKey = StringUtils.defaultIfEmpty(textColumn.key(), field.getName()); columnDefinitions.put(columnKey, getColumnDefinition(textColumn, field)); } } return columnDefinitions; }
Example 3
Source File: RouterInject.java From grouter-android with Apache License 2.0 | 6 votes |
public static void inject(Object targetObject, Bundle extras, Uri uri) throws Exception { SafeBundle bundle = new SafeBundle(extras, uri); Class clazz = targetObject.getClass(); List<Field> fields = getDeclaredFields(clazz); for (Field field : fields) { RouterField annotation = field.getAnnotation(RouterField.class); if (annotation == null) { continue; } // 解析注解中的名称 String name = annotation.value(); if (name.length() != 0 && bundle.containsKey(name)) { assignment(targetObject, field, name, bundle); } // 解析字段名称 else if (!name.equals(field.getName())) { assignment(targetObject, field, field.getName(), bundle); } } }
Example 4
Source File: ButterKnife.java From butterknife with Apache License 2.0 | 6 votes |
private static @Nullable Unbinder parseBindView(Object target, Field field, View source) { BindView bindView = field.getAnnotation(BindView.class); if (bindView == null) { return null; } validateMember(field); int id = bindView.value(); Class<?> viewClass = field.getType(); if (!View.class.isAssignableFrom(viewClass) && !viewClass.isInterface()) { throw new IllegalStateException( "@BindView fields must extend from View or be an interface. (" + field.getDeclaringClass().getName() + '.' + field.getName() + ')'); } String who = "field '" + field.getName() + "'"; Object view = Utils.findOptionalViewAsType(source, id, who, viewClass); trySet(field, target, view); return new FieldUnbinder(target, field); }
Example 5
Source File: AccountManagerImplTest.java From cosmic with Apache License 2.0 | 6 votes |
@Before public void setup() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException { accountManager = new AccountManagerImpl(); for (final Field field : AccountManagerImpl.class.getDeclaredFields()) { if (field.getAnnotation(Inject.class) != null) { field.setAccessible(true); try { final Field mockField = this.getClass().getDeclaredField( field.getName()); field.set(accountManager, mockField.get(this)); } catch (final Exception e) { // ignore missing fields } } } ReflectionTestUtils.setField(accountManager, "_userAuthenticators", Arrays.asList(userAuthenticator)); accountManager.setSecurityCheckers(Arrays.asList(securityChecker)); CallContext.register(callingUser, callingAccount); }
Example 6
Source File: SfmAliasProvider.java From SimpleFlatMapper with MIT License | 5 votes |
@Override public String getAliasForField(Field field) { String alias = null; Column col = field.getAnnotation(Column.class); if (col != null) { alias = col.value(); } return alias; }
Example 7
Source File: ExcelUtil.java From RuoYi-Vue with MIT License | 5 votes |
/** * 得到所有定义字段 */ private void createExcelField() { this.fields = new ArrayList<Object[]>(); List<Field> tempFields = new ArrayList<>(); tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); for (Field field : tempFields) { // 单注解 if (field.isAnnotationPresent(Excel.class)) { putToField(field, field.getAnnotation(Excel.class)); } // 多注解 if (field.isAnnotationPresent(Excels.class)) { Excels attrs = field.getAnnotation(Excels.class); Excel[] excels = attrs.value(); for (Excel excel : excels) { putToField(field, excel); } } } }
Example 8
Source File: FieldReflectionUtil.java From xxl-tool with GNU General Public License v3.0 | 5 votes |
/** * 参数格式化为String * * @param field * @param value * @return String */ public static String formatValue(Field field, Object value) { Class<?> fieldType = field.getType(); ExcelField excelField = field.getAnnotation(ExcelField.class); if(value==null) { return null; } if (Boolean.class.equals(fieldType) || Boolean.TYPE.equals(fieldType)) { return String.valueOf(value); } else if (String.class.equals(fieldType)) { return String.valueOf(value); } else if (Short.class.equals(fieldType) || Short.TYPE.equals(fieldType)) { return String.valueOf(value); } else if (Integer.class.equals(fieldType) || Integer.TYPE.equals(fieldType)) { return String.valueOf(value); } else if (Long.class.equals(fieldType) || Long.TYPE.equals(fieldType)) { return String.valueOf(value); } else if (Float.class.equals(fieldType) || Float.TYPE.equals(fieldType)) { return String.valueOf(value); } else if (Double.class.equals(fieldType) || Double.TYPE.equals(fieldType)) { return String.valueOf(value); } else if (Date.class.equals(fieldType)) { String datePattern = "yyyy-MM-dd HH:mm:ss"; if (excelField != null && excelField.dateformat()!=null) { datePattern = excelField.dateformat(); } SimpleDateFormat dateFormat = new SimpleDateFormat(datePattern); return dateFormat.format(value); } else { throw new RuntimeException("request illeagal type, type must be Integer not int Long not long etc, type=" + fieldType); } }
Example 9
Source File: BrowserVersion.java From HtmlUnit-Android with Apache License 2.0 | 5 votes |
private void initFeatures() { final SupportedBrowser expectedBrowser; if (isChrome()) { expectedBrowser = SupportedBrowser.CHROME; } else if (isFirefox52()) { expectedBrowser = SupportedBrowser.FF52; } else if (isFirefox()) { expectedBrowser = SupportedBrowser.FF45; } else if (isIE()) { expectedBrowser = SupportedBrowser.IE; } else { expectedBrowser = SupportedBrowser.EDGE; } for (final BrowserVersionFeatures features : BrowserVersionFeatures.values()) { try { final Field field = BrowserVersionFeatures.class.getField(features.name()); final BrowserFeature browserFeature = field.getAnnotation(BrowserFeature.class); if (browserFeature != null) { for (final SupportedBrowser browser : browserFeature.value()) { if (AbstractJavaScriptConfiguration.isCompatible(expectedBrowser, browser)) { features_.add(features); } } } } catch (final NoSuchFieldException e) { // should never happen throw new IllegalStateException(e); } } }
Example 10
Source File: InjectManagerService.java From AndroidQuick with MIT License | 5 votes |
private static void injectStringById(ViewManager viewManager, Object object, Field field) { ByString stringById = field.getAnnotation(ByString.class); if (stringById != null) { int stringId = stringById.value(); String string = viewManager.getString(stringId); try { ReflectUtils.reflect(object).field(field.getName(), string); } catch (Exception e) { e.printStackTrace(); } } }
Example 11
Source File: BaseService.java From springboot-plus with BSD 3-Clause "New" or "Revised" License | 5 votes |
public void queryEntityAfter(Object bean) { if (bean == null) { return; } if(!(bean instanceof TailBean)){ throw new PlatformException("指定的pojo"+bean.getClass()+" 不能获取数据字典,需要继承TailBean"); } TailBean ext = (TailBean)bean; Class c = ext.getClass(); do { Field[] fields = c.getDeclaredFields(); for (Field field : fields) { if (field.isAnnotationPresent(Dict.class)) { field.setAccessible(true); Dict dict = field.getAnnotation(Dict.class); try { String display = ""; Object fieldValue = field.get(ext); if (fieldValue != null) { CoreDict dbDict = dictUtil.findCoreDict(dict.type(),fieldValue.toString()); display = dbDict!=null?dbDict.getName():null; } ext.set(field.getName() + dict.suffix(), display); } catch (Exception e) { e.printStackTrace(); } } } c = c.getSuperclass(); }while(c!=TailBean.class); }
Example 12
Source File: FilesManager.java From jmapper-core with Apache License 2.0 | 5 votes |
/** * Returns tha number of annotated fields belong to the Class given in input. * @param aClass Class to analyze * @return the number of annotated fields */ private static int annotatedFieldsNumber(Class<?> aClass){ int count = 0; for (Field it : aClass.getDeclaredFields()) if(it.getAnnotation(JMap.class)!=null)count++; return count; }
Example 13
Source File: DefaultAnnotationToStringBuilderTest.java From feilong-core with Apache License 2.0 | 5 votes |
/** * Test 1. */ @Test public void test1(){ Field field = FieldUtils.getDeclaredField(DangaMemCachedConfig.class, "serverList", true); Alias alias = field.getAnnotation(Alias.class); assertEquals( "@com.feilong.core.bean.Alias(name=memcached.serverlist, sampleValue=172.20.31.23:11211,172.20.31.22:11211)", annotationToStringBuilder.build(alias)); }
Example 14
Source File: AbstractStreamlet.java From swim with Apache License 2.0 | 5 votes |
private static <I, O> void recohereOutletField(int version, Streamlet<I, O> streamlet, Field field) { if (field.getAnnotation(Out.class) != null) { final Outlet<O> outlet = reflectOutletField(streamlet, field); outlet.recohereInput(version); } else if (field.getAnnotation(Inout.class) != null) { final Inoutlet<I, O> inoutlet = reflectInoutletField(streamlet, field); inoutlet.recohereInput(version); } }
Example 15
Source File: JsonUtil.java From game-server with MIT License | 5 votes |
/** * 读取get set方法 * * @param cls * @param methods * @param fmmap * @param haveJSONField */ private static void register(Class<?> cls, Method[] methods, Map<String, FieldMethod> fmmap, boolean haveJSONField) { Field[] fields = cls.getDeclaredFields(); for (Field field : fields) { try { if (Modifier.isStatic(field.getModifiers())) { continue; } JSONField fieldAnnotation = field.getAnnotation(JSONField.class); if (haveJSONField && fieldAnnotation == null) { continue; } String fieldGetName = parGetName(field); String fieldSetName = ReflectUtil.parSetName(field); Method fieldGetMet = getGetMet(methods, fieldGetName); Method fieldSetMet = ReflectUtil.getSetMet(methods, fieldSetName); if (fieldGetMet != null && fieldSetMet != null) { FieldMethod fgm = new FieldMethod(fieldGetMet, fieldSetMet, field); fmmap.put(fgm.getName(), fgm); } else { System.out.println("找不到set或get方法 " + cls.getName() + " field:" + field.getName()); } } catch (Exception e) { System.out.println("register field:" + cls.getName() + ":" + field.getName() + " " + e); continue; } } Class<?> scls = cls.getSuperclass(); if (scls != null) { register(scls, scls.getDeclaredMethods(), fmmap, haveJSONField); } }
Example 16
Source File: JsonGenerator.java From google-http-java-client with Apache License 2.0 | 4 votes |
private void serialize(boolean isJsonString, Object value) throws IOException { if (value == null) { return; } Class<?> valueClass = value.getClass(); if (Data.isNull(value)) { writeNull(); } else if (value instanceof String) { writeString((String) value); } else if (value instanceof Number) { if (isJsonString) { writeString(value.toString()); } else if (value instanceof BigDecimal) { writeNumber((BigDecimal) value); } else if (value instanceof BigInteger) { writeNumber((BigInteger) value); } else if (value instanceof Long) { writeNumber((Long) value); } else if (value instanceof Float) { float floatValue = ((Number) value).floatValue(); Preconditions.checkArgument(!Float.isInfinite(floatValue) && !Float.isNaN(floatValue)); writeNumber(floatValue); } else if (value instanceof Integer || value instanceof Short || value instanceof Byte) { writeNumber(((Number) value).intValue()); } else { double doubleValue = ((Number) value).doubleValue(); Preconditions.checkArgument(!Double.isInfinite(doubleValue) && !Double.isNaN(doubleValue)); writeNumber(doubleValue); } } else if (value instanceof Boolean) { writeBoolean((Boolean) value); } else if (value instanceof DateTime) { writeString(((DateTime) value).toStringRfc3339()); } else if ((value instanceof Iterable<?> || valueClass.isArray()) && !(value instanceof Map<?, ?>) && !(value instanceof GenericData)) { writeStartArray(); for (Object o : Types.iterableOf(value)) { serialize(isJsonString, o); } writeEndArray(); } else if (valueClass.isEnum()) { String name = FieldInfo.of((Enum<?>) value).getName(); if (name == null) { writeNull(); } else { writeString(name); } } else { writeStartObject(); // only inspect fields of POJO (possibly extends GenericData) but not generic Map boolean isMapNotGenericData = value instanceof Map<?, ?> && !(value instanceof GenericData); ClassInfo classInfo = isMapNotGenericData ? null : ClassInfo.of(valueClass); for (Map.Entry<String, Object> entry : Data.mapOf(value).entrySet()) { Object fieldValue = entry.getValue(); if (fieldValue != null) { String fieldName = entry.getKey(); boolean isJsonStringForField; if (isMapNotGenericData) { isJsonStringForField = isJsonString; } else { Field field = classInfo.getField(fieldName); isJsonStringForField = field != null && field.getAnnotation(JsonString.class) != null; } writeFieldName(fieldName); serialize(isJsonStringForField, fieldValue); } } writeEndObject(); } }
Example 17
Source File: MetadataParser.java From spring-data-simpledb with MIT License | 4 votes |
private static boolean hasUnsupportedAnnotations(Field field) { return (field.getAnnotation(Attributes.class) != null); }
Example 18
Source File: Indication.java From ROSBridgeClient with GNU General Public License v3.0 | 4 votes |
public static boolean asArray(Field f) { return (f.getAnnotation(AsArray.class) != null); }
Example 19
Source File: DictAspect.java From jeecg-boot with Apache License 2.0 | 4 votes |
/** * 本方法针对返回对象为Result 的IPage的分页列表数据进行动态字典注入 * 字典注入实现 通过对实体类添加注解@dict 来标识需要的字典内容,字典分为单字典code即可 ,table字典 code table text配合使用与原来jeecg的用法相同 * 示例为SysUser 字段为sex 添加了注解@Dict(dicCode = "sex") 会在字典服务立马查出来对应的text 然后在请求list的时候将这个字典text,已字段名称加_dictText形式返回到前端 * 例输入当前返回值的就会多出一个sex_dictText字段 * { * sex:1, * sex_dictText:"男" * } * 前端直接取值sext_dictText在table里面无需再进行前端的字典转换了 * customRender:function (text) { * if(text==1){ * return "男"; * }else if(text==2){ * return "女"; * }else{ * return text; * } * } * 目前vue是这么进行字典渲染到table上的多了就很麻烦了 这个直接在服务端渲染完成前端可以直接用 * @param result */ private void parseDictText(Object result) { if (result instanceof Result) { if (((Result) result).getResult() instanceof IPage) { List<JSONObject> items = new ArrayList<>(); for (Object record : ((IPage) ((Result) result).getResult()).getRecords()) { ObjectMapper mapper = new ObjectMapper(); String json="{}"; try { //解决@JsonFormat注解解析不了的问题详见SysAnnouncement类的@JsonFormat json = mapper.writeValueAsString(record); } catch (JsonProcessingException e) { log.error("json解析失败"+e.getMessage(),e); } JSONObject item = JSONObject.parseObject(json); //update-begin--Author:scott -- Date:20190603 ----for:解决继承实体字段无法翻译问题------ //for (Field field : record.getClass().getDeclaredFields()) { for (Field field : oConvertUtils.getAllFields(record)) { //update-end--Author:scott -- Date:20190603 ----for:解决继承实体字段无法翻译问题------ if (field.getAnnotation(Dict.class) != null) { String code = field.getAnnotation(Dict.class).dicCode(); String text = field.getAnnotation(Dict.class).dicText(); String table = field.getAnnotation(Dict.class).dictTable(); String key = String.valueOf(item.get(field.getName())); //翻译字典值对应的txt String textValue = translateDictValue(code, text, table, key); log.debug(" 字典Val : "+ textValue); log.debug(" __翻译字典字段__ "+field.getName() + CommonConstant.DICT_TEXT_SUFFIX+": "+ textValue); item.put(field.getName() + CommonConstant.DICT_TEXT_SUFFIX, textValue); } //date类型默认转换string格式化日期 if (field.getType().getName().equals("java.util.Date")&&field.getAnnotation(JsonFormat.class)==null&&item.get(field.getName())!=null){ SimpleDateFormat aDate=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); item.put(field.getName(), aDate.format(new Date((Long) item.get(field.getName())))); } } items.add(item); } ((IPage) ((Result) result).getResult()).setRecords(items); } } }
Example 20
Source File: AnnotationProvider.java From lams with GNU General Public License v2.0 | 2 votes |
/** * Returns a field annotation based on an annotation type * * @param field the annotation Field * @param annotationClass the annotation Class * @return The Annotation type * @deprecated As of 1.3 */ @Deprecated public <T extends Annotation> T getAnnotation(Field field, Class<T> annotationClass) { return field.getAnnotation(annotationClass); }