public class PropertiesExtensionProcessorPlugin extends ExtensionProcessorPlugin
ExtensionProcessorPlugin
based on a properties file. Property
values which appear to be file URLs--which start with "file:"--are resolved
relative to the property file.Constructor and Description |
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PropertiesExtensionProcessorPlugin(java.io.File file) |
Modifier and Type | Method and Description |
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java.lang.String |
expandValue(ExtensionProcessorContext context,
java.lang.String macroName)
Expands a macro encountered while processing an extension manifest.
|
java.util.Set<java.lang.String> |
getSupportedMacros(ExtensionProcessorContext context)
Returns a Set of macro names which are supported in the
specified extension processing context.
|
java.lang.String |
toString() |
public PropertiesExtensionProcessorPlugin(java.io.File file)
public java.util.Set<java.lang.String> getSupportedMacros(ExtensionProcessorContext context)
ExtensionProcessorPlugin
Extension manifests can contain macro usages in any attribute value or text node. The syntax of a macro usage is
${macroname}.
An ExtensionProcessorPlugin may provide logic to expand macros in the extension manifest. The plugin should return a collection of supported macro names from this method.
While processing manifest files, the
ExtensionProcessorPlugin.expandValue(ExtensionProcessorContext,String)
method will be
called for each occurrence of macros supported by this plugin.
Macro names ending with a colon (:) are macro namespaces. These can be used to implement dynamic macros, such as sysprop:some.property.
This implementation returns an empty set. Will never be null.
getSupportedMacros
in class ExtensionProcessorPlugin
context
- the extension processing context.public java.lang.String expandValue(ExtensionProcessorContext context, java.lang.String macroName)
ExtensionProcessorPlugin
You should take care to optimize the performance of this method, since it will be called every time a macro encountered in the extension manifest needs to be expanded.
This implementation returns null.
expandValue
in class ExtensionProcessorPlugin
context
- the extension processing context. Will never be null.macroName
- the name of the macro to expand.public java.lang.String toString()
toString
in class java.lang.Object