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TypedStringValue (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.config
Class TypedStringValue

java.lang.Object
  org.springframework.beans.factory.config.TypedStringValue

All Implemented Interfaces:

BeanMetadataElement

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public class TypedStringValue
extends Object
implements BeanMetadataElement

Holder for a typed String value. Can be added to bean definitions in order to explicitly specify a target type for a String value, for example for collection elements.

This holder will just store the String value and the target type. The actual conversion will be performed by the bean factory.

Since:

1.2

Author:

Juergen Hoeller

See Also:

BeanDefinition.getPropertyValues(), MutablePropertyValues.addPropertyValue(org.springframework.beans.PropertyValue)

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Constructor Summary
TypedStringValue(String value)           Create a new TypedStringValue for the given String value.
TypedStringValue(String value, Class targetType)           Create a new TypedStringValue for the given String value and target type.
TypedStringValue(String value, String targetTypeName)           Create a new TypedStringValue for the given String value and target type.

 

Method Summary
boolean	equals(Object other)
Object	getSource()           Return the configuration source Object for this metadata element (may be null).
Class	getTargetType()           Return the type to convert to.
String	getTargetTypeName()           Return the type to convert to.
String	getValue()           Return the String value.
int	hashCode()
boolean	hasTargetType()           Return whether this typed String value carries a target type .
Class	resolveTargetType(ClassLoader classLoader)           Determine the type to convert to, resolving it from a specified class name if necessary.
void	setSource(Object source)           Set the configuration source Object for this metadata element.
void	setTargetType(Class targetType)           Set the type to convert to.
void	setTargetTypeName(String targetTypeName)           Specify the type to convert to.
void	setValue(String value)           Set the String value.
String	toString()

 

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Constructor Detail

TypedStringValue

public TypedStringValue(String value)

Create a new TypedStringValue for the given String value.

Parameters:

value - the String value

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TypedStringValue

public TypedStringValue(String value,
                        Class targetType)

Create a new TypedStringValue for the given String value and target type.

Parameters:

value - the String value

targetType - the type to convert to

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TypedStringValue

public TypedStringValue(String value,
                        String targetTypeName)

Create a new TypedStringValue for the given String value and target type.

Parameters:

value - the String value

targetTypeName - the type to convert to

Method Detail

setValue

public void setValue(String value)

Set the String value. Only necessary for manipulating a registered value, for example in BeanFactoryPostProcessors.

See Also:

PropertyPlaceholderConfigurer

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getValue

public String getValue()

Return the String value.

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setTargetType

public void setTargetType(Class targetType)

Set the type to convert to. Only necessary for manipulating a registered value, for example in BeanFactoryPostProcessors.

See Also:

PropertyPlaceholderConfigurer

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getTargetType

public Class getTargetType()

Return the type to convert to.

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setTargetTypeName

public void setTargetTypeName(String targetTypeName)

Specify the type to convert to.

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getTargetTypeName

public String getTargetTypeName()

Return the type to convert to.

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hasTargetType

public boolean hasTargetType()

Return whether this typed String value carries a target type .

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resolveTargetType

public Class resolveTargetType(ClassLoader classLoader)
                        throws ClassNotFoundException

Determine the type to convert to, resolving it from a specified class name if necessary. Will also reload a specified Class from its name when called with the target type already resolved.

Parameters:

classLoader - the ClassLoader to use for resolving a (potential) class name

Returns:

the resolved type to convert to

Throws:

ClassNotFoundException - if the type cannot be resolved

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setSource

public void setSource(Object source)

Set the configuration source Object for this metadata element.

The exact type of the object will depend on the configuration mechanism used.

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getSource

public Object getSource()

Description copied from interface: BeanMetadataElement

Return the configuration source Object for this metadata element (may be null).

Specified by:

getSource in interface BeanMetadataElement

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equals

public boolean equals(Object other)

Overrides:

equals in class Object

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hashCode

public int hashCode()

Overrides:

hashCode in class Object

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toString

public String toString()

Overrides:

toString in class Object

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