[英]convert spring xml configuration to java configuration
我無法將以下配置轉換為Java配置。
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/>
<property name="ignoreResourceNotFound" value="true"/>
<property name="locations">
<list>
<value>classpath*:META-INF/spring/environments/${XXX_env}/*.properties</value>
<value>file:/etc/XXX/database.properties</value>
</list>
</property>
</bean>
在上面的示例中,XXX_env是環境變量。 例如,
export XXX_env=dev
如何將其轉換為Spring Java Configuration? 這是我的嘗試:
@Bean
public PropertyPlaceholderConfigurer propertyConfigurer() throws IOException {
PropertyPlaceholderConfigurer props = new PropertyPlaceholderConfigurer();
props.setIgnoreResourceNotFound(true);
props.setSystemPropertiesMode(PropertyPlaceholderConfigurer.SYSTEM_PROPERTIES_MODE_OVERRIDE);
Resource[] locations;
PathMatchingResourcePatternResolver classPathResources = new PathMatchingResourcePatternResolver();
locations = classPathResources.getResources("classpath*:META-INF/spring/environments/"+env()+ "/*.properties");
props.setLocations(locations);
Resource location = new FileSystemResource("/etc/XXX/database.properties");
props.setLocation(location);
return props;
}
private String env(){
Map<String, String> env = System.getenv();
return env.get("XXX_env");
}
@Value("${database.password}")
private String databasePassword;
@Value("${database.url}")
private String databaseUrl;
@Value("${database.username}")
private String databaseUsername;
@Value("${database.driverClassName}")
private String databaseDriverClassName;
建議:
放
Resource location = new FileSystemResource("/etc/XXX/database.properties");
在位置數組中,然后使用setLocations(locations)
而不是setLocation(location)
。
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