com.alibaba.nacos.spring.util

Class NacosUtils

java.lang.Object

com.alibaba.nacos.spring.util.NacosUtils

public abstract class NacosUtils
extends Object

Nacos Utilities class

Since:

0.1.0

Author:

Mercy

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	DEFAULT_BOOLEAN_ATTRIBUTE_VALUE Default value of boolean attribute for Annotation
static String	DEFAULT_STRING_ATTRIBUTE_VALUE Default value of String attribute for Annotation
static long	DEFAULT_TIMEOUT Default timeout for getting Nacos configuration
static String	SEPARATOR The separator

Constructor Summary

Constructors

Constructor and Description
NacosUtils()

Method Summary

Modifier and Type	Method and Description
static String	buildDefaultPropertySourceName(String dataId, String groupId, Map<?,?> properties) Build The default name of @NacosPropertySource
static String	getContent(com.alibaba.nacos.api.config.ConfigService configService, String dataId, String groupId) Get content from ConfigService via dataId and groupId
static String	identify(Map<?,?> properties) Generate Id of Nacos Properties
static String	identify(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties) Generate Id of Nacos Properties annotation
static boolean	isDefault(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties) Is @NacosProperties with default attribute values.
protected static void	merge(Properties targetProperties, Properties sourceProperties) Merge Nacos Properties If any property from target properties is absent
static <T> Class<T>	resolveGenericType(Class<?> declaredClass)
static Properties	resolveProperties(Map<?,?> properties, org.springframework.core.env.PropertyResolver propertyResolver) Resolve placeholders of properties via specified PropertyResolver if present
static Properties	resolveProperties(Map<String,Object> attributes, org.springframework.core.env.PropertyResolver propertyResolver, Properties defaultProperties) Resolve placeholders of @NacosProperties's attributes via specified PropertyResolver if present, or try to merge from default properties
static Properties	resolveProperties(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties, org.springframework.core.env.PropertyResolver propertyResolver)
static Properties	resolveProperties(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties, org.springframework.core.env.PropertyResolver propertyResolver, Properties defaultProperties)
static Properties	toProperties(String text)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_STRING_ATTRIBUTE_VALUE

public static final String DEFAULT_STRING_ATTRIBUTE_VALUE

Default value of String attribute for Annotation

See Also:

Constant Field Values

DEFAULT_BOOLEAN_ATTRIBUTE_VALUE

public static final boolean DEFAULT_BOOLEAN_ATTRIBUTE_VALUE

Default value of boolean attribute for Annotation

See Also:

Constant Field Values

SEPARATOR

public static final String SEPARATOR

The separator

See Also:

Constant Field Values

DEFAULT_TIMEOUT

public static final long DEFAULT_TIMEOUT

Default timeout for getting Nacos configuration

Constructor Detail

NacosUtils

public NacosUtils()

Method Detail

buildDefaultPropertySourceName

public static String buildDefaultPropertySourceName(String dataId,
                                                    String groupId,
                                                    Map<?,?> properties)

Build The default name of @NacosPropertySource

Parameters:

dataId - data Id

groupId - group Id

properties - Nacos Properties

Returns:

non-null

identify

public static String identify(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties)

Generate Id of Nacos Properties annotation

Parameters:

nacosProperties - Nacos Properties annotation

Returns:

Id

identify

public static String identify(Map<?,?> properties)

Generate Id of Nacos Properties

Parameters:

properties - Nacos Properties

Returns:

Id

isDefault

public static boolean isDefault(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties)

Is @NacosProperties with default attribute values.

Parameters:

nacosProperties - @NacosProperties

Returns:

If default values , return true,or false

resolveProperties

public static Properties resolveProperties(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties,
                                           org.springframework.core.env.PropertyResolver propertyResolver)

resolveProperties

public static Properties resolveProperties(com.alibaba.nacos.api.annotation.NacosProperties nacosProperties,
                                           org.springframework.core.env.PropertyResolver propertyResolver,
                                           Properties defaultProperties)

resolveProperties

public static Properties resolveProperties(Map<String,Object> attributes,
                                           org.springframework.core.env.PropertyResolver propertyResolver,
                                           Properties defaultProperties)

Resolve placeholders of @NacosProperties's attributes via specified PropertyResolver if present, or try to merge from default properties

Parameters:

attributes - @NacosProperties's attributes

propertyResolver - the resolver of properties' placeholder

defaultProperties - default properties

Returns:

a new resolved Properties properties

See Also:

resolveProperties(Map, PropertyResolver)

resolveProperties

public static Properties resolveProperties(Map<?,?> properties,
                                           org.springframework.core.env.PropertyResolver propertyResolver)

Resolve placeholders of properties via specified PropertyResolver if present

Parameters:

properties - The properties

propertyResolver - PropertyResolver instance, for instance, Environment

Returns:

a new instance of Properties after resolving.

merge

protected static void merge(Properties targetProperties,
                            Properties sourceProperties)

Merge Nacos Properties If any property from target properties is absent

Parameters:

targetProperties - target Properties

sourceProperties - source Properties

getContent

public static String getContent(com.alibaba.nacos.api.config.ConfigService configService,
                                String dataId,
                                String groupId)

Get content from ConfigService via dataId and groupId

Parameters:

configService - ConfigService

dataId - dataId

groupId - groupId

Returns:

If available , return content , or null

resolveGenericType

public static <T> Class<T> resolveGenericType(Class<?> declaredClass)

toProperties

public static Properties toProperties(String text)