Java FieldCallback类代码示例

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
private void parseResouce(){
ReflectionUtils.doWithFields(clz, new FieldCallback(){
    @Override
    public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
	if(field.getAnnotation(Id.class) != null){
	    idField = field;
	    return;
	}
	Index index = null;
	if(null != (index = field.getAnnotation(Index.class))){
	    if(index.unique()){
		uniqueIndexFields.add(field);
	    }else{
		nonUniqueIndexFields.add(field);
	    }
	}
	Autowired auto = field.getAnnotation(Autowired.class);
	if(null != auto && auto.required()){
	    autowiredFields.add(field);
	}
    }
});
   }
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
/**
 * 解析对象为Model
 * 自定义filter
 * @param obj
 * @param parseSuper 是否解析父类
 * @return
 */
public static List<Model> parseByObject(Object obj,boolean parseSuper,FieldFilter ff){
	List<Model> list = new ArrayList<>();
	if (obj==null) {
		return list;
	}
	//解析Field
	FieldCallback fc = new FieldCallback() {
		@Override
		public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
			if (ff != null && !ff.matches(field)) {
				return;
			}
			Model m = parseByField(obj, field);
			if (m!=null) {
				list.add(m);
			}
		}
	};
	if (parseSuper) {
		ReflectionUtil.doWithFields(obj.getClass(),fc);
	}else{
		ReflectionUtil.doWithLocalFields(obj.getClass(),fc);
	}
	return list;
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
private boolean determineDeleteInBatchSupported(final Class<?> genericType) {
    final MutableBoolean deleteInBatchSupported = new MutableBoolean(true);
    Reflections.doWithFields(genericType, new FieldCallback() {
        @Override
        public void doWith(final Field field) {
            if (!deleteInBatchSupported.getValue()) {
                return;
            } else if (Reflections.getAnnotation(field, ElementCollection.class) != null) {
                //element collections are mapped as separate tables, thus the values would cause a foreign key constraint violation
                deleteInBatchSupported.setValue(false);
            } else if (Reflections.getAnnotation(field, Embedded.class) != null) {
                //check embedded types for the same constraints
                if (!determineDeleteInBatchSupported(field.getType())) {
                    deleteInBatchSupported.setValue(false);
                }
            }
        }
    });
    return deleteInBatchSupported.getValue();
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
@Override
public Object postProcessAfterInitialization(final Object bean, final String beanName)
		throws BeansException {

	// 处理DbCacheService属性
	ReflectionUtils.doWithFields(bean.getClass(), new FieldCallback() {
		public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
			processDbCacheService(bean, beanName, field);
		}
	});

	// 处理EntityLoadEventListener接口
	processEntityLoadEventListener(bean);

	// 处理IndexChangeListener接口
	processIndexChangeListener(bean);

	return super.postProcessAfterInitialization(bean, beanName);
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
public DynamoDBHashAndRangeKeyExtractingEntityMetadataImpl(final Class<T> domainType) {
	super(domainType);
	this.hashAndRangeKeyMethodExtractor = new DynamoDBHashAndRangeKeyMethodExtractorImpl<T>(getJavaType());
	ReflectionUtils.doWithMethods(domainType, new MethodCallback() {
		public void doWith(Method method) {
			if (method.getAnnotation(DynamoDBHashKey.class) != null) {
				String setterMethodName = toSetterMethodNameFromAccessorMethod(method);
				if (setterMethodName != null) {
					hashKeySetterMethod = ReflectionUtils.findMethod(domainType, setterMethodName, method.getReturnType());
				}
			}
		}
	});
	ReflectionUtils.doWithFields(domainType, new FieldCallback() {
		public void doWith(Field field) {
			if (field.getAnnotation(DynamoDBHashKey.class) != null) {
				
				hashKeyField = ReflectionUtils.findField(domainType, field.getName());
				
			}
		}
	});
	Assert.isTrue(hashKeySetterMethod != null || hashKeyField != null, "Unable to find hash key field or setter method on " + domainType + "!");
	Assert.isTrue(hashKeySetterMethod == null || hashKeyField == null, "Found both hash key field and setter method on " + domainType + "!");

}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public JdbcEntityInformation(Class<T> domainClass) {

    super(domainClass);
    className = domainClass.getName();

    ReflectionUtils.doWithFields(domainClass, new FieldCallback() {
        public void doWith(Field field) {
            if (field.isAnnotationPresent(ID_ANNOTATION)) {
                JdbcEntityInformation.this.idFields.add(field);
                return;
            }
        }
    });

    if (domainClass.isAnnotationPresent(ID_CLASS_ANNOTATION)) {
        idType = (Class<ID>) domainClass.getAnnotation(ID_CLASS_ANNOTATION).value();
        Assert.notNull(idType, "@IdClass must have a valid class");
        getIdStrategy = new GetIdCompound();
    } else {
        assertUniqueId(
                "There must be one and only one field annotated with @Id unless you annotate the class with @IdClass");
        idType = (Class<ID>) idFields.get(0).getType();
        idFields.get(0).setAccessible(true);
        getIdStrategy = new GetIdSingleKey();
    }
    entityType = calculateEntityType(domainClass, idFields);

}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
@Override
public PropertyValues postProcessPropertyValues(PropertyValues pvs,
		PropertyDescriptor[] pds, final Object bean, String beanName)
				throws BeansException {
	ReflectionUtils.doWithFields(bean.getClass(), new FieldCallback() {

		@Override
		public void doWith(Field field)
				throws IllegalArgumentException, IllegalAccessException {
			postProcessField(bean, field);
		}

	});
	return pvs;
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
public void parse(Class<?> source) {
	parseElement(source);
	ReflectionUtils.doWithFields(source, new FieldCallback() {

		@Override
		public void doWith(Field field)
				throws IllegalArgumentException, IllegalAccessException {
			parseElement(field);
		}

	});
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
public void initFields(final Object testInstance,
		final ObjectFactory<M> marshaller) {
	Assert.notNull(testInstance, "TestInstance must not be null");
	Assert.notNull(marshaller, "Marshaller must not be null");
	ReflectionUtils.doWithFields(testInstance.getClass(), new FieldCallback() {

		@Override
		public void doWith(Field field)
				throws IllegalArgumentException, IllegalAccessException {
			doWithField(field, testInstance, marshaller);
		}

	});
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
public static String dumpObjectFieldsSizeEstimate(final Serializable o) {
	final StringBuilder sb = new StringBuilder();
	sb.append(o).append(": ").append(estimateObjectSize(o)).append("\n");
	ReflectionUtils.doWithFields(o.getClass(), new FieldCallback() {
		@Override
		public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
			int mods = field.getModifiers();
			if (Modifier.isStatic(mods) && Modifier.isFinal(mods)) {
				return;
			}
			if (Modifier.isTransient(mods)) {
				return;
			}
			field.setAccessible(true);
			sb.append("\n");
			DebugUtil.indentDebugDump(sb, 1);
			sb.append(field.getName());
			if (Modifier.isStatic(mods)) {
				sb.append(" (static)");
			}
			sb.append(": ");
			Object value = field.get(o);
			if (value == null) {
				sb.append("null");
			} else if (value instanceof Serializable) {
				sb.append(estimateObjectSize((Serializable)value));
			} else {
				sb.append("non-serializable ("+value.getClass()+")");
			}
		}
	});
	return sb.toString();
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
/**
 * 
 * @param source
 * @param targetClass
 * @param depth
 * @param dtoToEntity
 * @return
 */
protected Object map(final Object source, final Class<?> targetClass,
        final int depth, final boolean dtoToEntity) {

    if (source == null) {
        return null;
    }
    try {
        final Object toRet = targetClass.newInstance();
        ReflectionUtils.doWithFields(source.getClass(),
                new FieldCallback() {

                    @Override
                    public void doWith(Field field)
                            throws IllegalAccessException {

                        mapField(source, targetClass, depth, dtoToEntity,
                                toRet, field);
                    }

                }, ReflectionUtils.COPYABLE_FIELDS);
        return toRet;
    } catch (Exception e) {
        throw new KarakuRuntimeException(
                String.format("Can't copy from %s to %s",
                        source.getClass(), targetClass), e);
    }
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
/** 构造方法 */
public ResourceDefinition(Class<?> clz, FormatDefinition format) {
	this.clz = clz;
	this.format = format.getType();

	this.location = format.getLocation();
	ReflectionUtility.doWithDeclaredFields(clz, new FieldCallback() {
		@Override
		public void doWith(Field field) throws IllegalArgumentException, IllegalAccessException {
			InjectDefinition definition = new InjectDefinition(field);
			injects.add(definition);
		}
	}, INJECT_FILTER);
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
@Override
public Set<String> getIndexRangeKeyPropertyNames() {
	final Set<String> propertyNames = new HashSet<String>();
	ReflectionUtils.doWithMethods(getJavaType(), new MethodCallback() {
		public void doWith(Method method) {
			if (method.getAnnotation(DynamoDBIndexRangeKey.class) != null) {
				if ((method.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexName() != null && method
						.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexName().trim().length() > 0)
						|| (method.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexNames() != null && method
								.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexNames().length > 0)) {
					propertyNames.add(getPropertyNameForAccessorMethod(method));
				}
			}
		}
	});
	ReflectionUtils.doWithFields(getJavaType(), new FieldCallback() {
		public void doWith(Field field) {
			if (field.getAnnotation(DynamoDBIndexRangeKey.class) != null) {
				if ((field.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexName() != null && field
						.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexName().trim().length() > 0)
						|| (field.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexNames() != null && field
								.getAnnotation(DynamoDBIndexRangeKey.class).localSecondaryIndexNames().length > 0)) {
					propertyNames.add(getPropertyNameForField(field));
				}
			}
		}
	});
	return propertyNames;
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
/**
 * Creates a new {@link FieldAndGetterReflectionEntityInformation} inspecting the
 * given domain class for a getter carrying the given annotation.
 * 
 * @param domainClass
 *            must not be {@literal null}.
 * @param annotation
 *            must not be {@literal null}.
 */
public FieldAndGetterReflectionEntityInformation(Class<T> domainClass, final Class<? extends Annotation> annotation) {

	super(domainClass);
	Assert.notNull(annotation);

	ReflectionUtils.doWithMethods(domainClass, new MethodCallback() {
		public void doWith(Method method) {
			if (method.getAnnotation(annotation) != null) {
				FieldAndGetterReflectionEntityInformation.this.method = method;
				return;
			}
		}
	});
	
	if (method == null)
	{
		ReflectionUtils.doWithFields(domainClass, new FieldCallback() {
			public void doWith(Field field) {
				if (field.getAnnotation(annotation) != null) {
					FieldAndGetterReflectionEntityInformation.this.field = field;
					return;
				}
			}
		});
	}

	Assert.isTrue(this.method != null || this.field != null, String.format("No field or method annotated with %s found!", annotation.toString()));
	Assert.isTrue(this.method == null || this.field == null, String.format("Both field and method annotated with %s found!", annotation.toString()));

	if (method != null)
	{
		ReflectionUtils.makeAccessible(method);
	}
}
 

import org.springframework.util.ReflectionUtils.FieldCallback; //导入依赖的package包/类
/**
 * Find annotated elements on types
 * @param ann annotation to search
 * @param clazz class to search on.
 * @return List with annotated elements
 */
public static List<AnnotatedElement> findAnnotatedElements(final Class<? extends Annotation> annotationType, Class<?> clazz) {
	final ArrayList<AnnotatedElement> elements = new ArrayList<AnnotatedElement>();
	// Lookup fields
	ReflectionUtils.doWithFields(clazz, new FieldCallback() {
		
		@Override
		public void doWith(Field field) throws IllegalArgumentException,
				IllegalAccessException {
			if (field.getAnnotation(annotationType) != null) {
				elements.add(field);
			}
			
		}
	});
	// Lookup methods
	ReflectionUtils.doWithMethods(clazz, new MethodCallback() {
		
		@Override
		public void doWith(Method method) throws IllegalArgumentException,
				IllegalAccessException {
			
			if (org.springframework.core.annotation.AnnotationUtils.getAnnotation(method, annotationType) != null)
				elements.add(method);
		}
	});
	
	return elements;
}