As a Spring developer we know how to load a resource in a Service. The prefixes of classpath: and file: are commonly used. But what if we want to load resources from a different location like a database table RESOURCE, with our own prefix db:? The Spring Framework provides some default built-in resource implementations, which can be found in the chapter Resources in the Spring Framework Reference Guide. The URL is prefixed and handled by the corresponding ResourceLoader (JavaDoc). If we want to load a resource from a database table RESOURCE we have to create our own ResourceLoader which triggers on the prefix db:.

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