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java.lang.Object org.springframework.core.io.support.PropertiesLoaderSupport org.springframework.beans.factory.config.PropertyResourceConfigurer
public abstract class PropertyResourceConfigurer
Allows for configuration of individual bean property values from a property resource, i.e. a properties file. Useful for custom config files targetted at system administrators that override bean properties configured in the application context.
2 concrete implementations are provided in the distribution:
Property values can be converted after reading them in, through overriding
the convertPropertyValue
method. For example, encrypted values
can be detected and decrypted accordingly before processing them.
PropertyOverrideConfigurer
,
PropertyPlaceholderConfigurer
,
convertPropertyValue(java.lang.String)
Field Summary |
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Fields inherited from class org.springframework.core.io.support.PropertiesLoaderSupport |
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logger, XML_FILE_EXTENSION |
Fields inherited from interface org.springframework.core.Ordered |
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HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE |
Constructor Summary | |
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PropertyResourceConfigurer()
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Method Summary | |
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protected void |
convertProperties(Properties props)
Convert the given merged properties, converting property values if necessary. |
protected String |
convertPropertyValue(String originalValue)
Convert the given property value from the properties source to the value that should be applied. |
int |
getOrder()
Return the order value of this object, with a higher value meaning greater in terms of sorting. |
void |
postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
Modify the application context's internal bean factory after its standard initialization. |
protected abstract void |
processProperties(ConfigurableListableBeanFactory beanFactory,
Properties props)
Apply the given Properties to the bean factory. |
void |
setOrder(int order)
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Methods inherited from class org.springframework.core.io.support.PropertiesLoaderSupport |
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loadProperties, mergeProperties, setFileEncoding, setIgnoreResourceNotFound, setLocalOverride, setLocation, setLocations, setProperties, setPropertiesArray, setPropertiesPersister |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PropertyResourceConfigurer()
Method Detail |
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public void setOrder(int order)
public int getOrder()
Ordered
Normally starting with 0 or 1, with Ordered.LOWEST_PRECEDENCE
indicating greatest. Same order values will result in arbitrary
positions for the affected objects.
Higher value can be interpreted as lower priority, consequently the first object has highest priority (somewhat analogous to Servlet "load-on-startup" values).
Note that order values below 0 are reserved for framework purposes. Application-specified values should always be 0 or greater, with only framework components (internal or third-party) supposed to use lower values.
getOrder
in interface Ordered
Ordered.LOWEST_PRECEDENCE
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException
BeanFactoryPostProcessor
postProcessBeanFactory
in interface BeanFactoryPostProcessor
beanFactory
- the bean factory used by the application context
BeansException
- in case of errorsprotected void convertProperties(Properties props)
Default implementation will invoke convertPropertyValue
for each property value, replacing the original with the converted value.
convertPropertyValue(java.lang.String)
,
processProperties(org.springframework.beans.factory.config.ConfigurableListableBeanFactory, java.util.Properties)
protected String convertPropertyValue(String originalValue)
Default implementation simply returns the original value. Can be overridden in subclasses, for example to detect encrypted values and decrypt them accordingly.
originalValue
- the original value from the properties source
(properties file or local "properties")
PropertiesLoaderSupport.setProperties(java.util.Properties)
,
PropertiesLoaderSupport.setLocations(org.springframework.core.io.Resource[])
,
PropertiesLoaderSupport.setLocation(org.springframework.core.io.Resource)
protected abstract void processProperties(ConfigurableListableBeanFactory beanFactory, Properties props) throws BeansException
beanFactory
- the bean factory used by the application contextprops
- the Properties to apply
BeansException
- in case of errors
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