org.springframework.beans

类 PropertyAccessorUtils

java.lang.Object

org.springframework.beans.PropertyAccessorUtils

public abstract class PropertyAccessorUtils
extends Object

Utility methods for classes that perform bean property access according to the PropertyAccessor interface.

从以下版本开始:

1.2.6

作者:

Juergen Hoeller

构造器概要

构造器

构造器和说明
PropertyAccessorUtils()

方法概要

限定符和类型	方法和说明
static String	canonicalPropertyName(String propertyName) Determine the canonical name for the given property path.
static String[]	canonicalPropertyNames(String[] propertyNames) Determine the canonical names for the given property paths.
static int	getFirstNestedPropertySeparatorIndex(String propertyPath) Determine the first nested property separator in the given property path, ignoring dots in keys (like "map[my.key]").
static int	getLastNestedPropertySeparatorIndex(String propertyPath) Determine the first nested property separator in the given property path, ignoring dots in keys (like "map[my.key]").
static String	getPropertyName(String propertyPath) Return the actual property name for the given property path.
static boolean	isNestedOrIndexedProperty(String propertyPath) Check whether the given property path indicates an indexed or nested property.
static boolean	matchesProperty(String registeredPath, String propertyPath) Determine whether the given registered path matches the given property path, either indicating the property itself or an indexed element of the property.

从类继承的方法 java.lang.Object

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

构造器详细资料

PropertyAccessorUtils

public PropertyAccessorUtils()

方法详细资料

getPropertyName

public static String getPropertyName(String propertyPath)

Return the actual property name for the given property path.

参数:

propertyPath - the property path to determine the property name for (can include property keys, for example for specifying a map entry)

返回:

the actual property name, without any key elements

isNestedOrIndexedProperty

public static boolean isNestedOrIndexedProperty(@Nullable
                                                String propertyPath)

Check whether the given property path indicates an indexed or nested property.

参数:

propertyPath - the property path to check

返回:

whether the path indicates an indexed or nested property

getFirstNestedPropertySeparatorIndex

public static int getFirstNestedPropertySeparatorIndex(String propertyPath)

Determine the first nested property separator in the given property path, ignoring dots in keys (like "map[my.key]").

参数:

propertyPath - the property path to check

返回:

the index of the nested property separator, or -1 if none

getLastNestedPropertySeparatorIndex

public static int getLastNestedPropertySeparatorIndex(String propertyPath)

Determine the first nested property separator in the given property path, ignoring dots in keys (like "map[my.key]").

参数:

propertyPath - the property path to check

返回:

the index of the nested property separator, or -1 if none

matchesProperty

public static boolean matchesProperty(String registeredPath,
                                      String propertyPath)

Determine whether the given registered path matches the given property path, either indicating the property itself or an indexed element of the property.

参数:

propertyPath - the property path (typically without index)

registeredPath - the registered path (potentially with index)

返回:

whether the paths match

canonicalPropertyName

public static String canonicalPropertyName(@Nullable
                                           String propertyName)

Determine the canonical name for the given property path. Removes surrounding quotes from map keys:
map['key'] -> map[key]
map["key"] -> map[key]

参数:

propertyName - the bean property path

返回:

the canonical representation of the property path

canonicalPropertyNames

@Nullable
public static String[] canonicalPropertyNames(@Nullable
                                                         String[] propertyNames)

Determine the canonical names for the given property paths.

参数:

propertyNames - the bean property paths (as array)

返回:

the canonical representation of the property paths (as array of the same size)

另请参阅:

canonicalPropertyName(String)