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https://issues.apache.org/jira/browse/CONFIGURATION-203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12701819#action_12701819
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Oliver Heger commented on CONFIGURATION-203:
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John, I agree with most of your points.
However, I wonder whether we really can make a concrete Configuration
implementation serializable. The problem is that each important implementation
is associated with a bunch of helper objects like interpolators, lookups,
expression strategies, etc. Many of these objects would have to be made
serializable, too, and its questionable whether this is feasible or even
desired.
Maybe we need a different approach. One way could be to have a method like
{{Serializable getContent()}} in the {{Configuration}} interface. This method
would return a serializable object storing the pure data of the configuration.
In addition, concrete Configuration implementations could define a constructor
that takes a {{Serializable}} object and initializes the configuration with
this data.
Based on this mechanism we could define a "canonical configuration
serialization format", probably XML-based as XML is capable of storing all the
hierarchical structure. This would allow for easy data conversion, e.g. the
data from a {{PropertiesConfiguration}} is fetched and then an
{{XMLConfiguration}} is constructed with it.
Of course, this is not as convenient as serializing {{Configuration}} objects
directly. But maybe it's the closest thing we can get?
> Make Configuration Serializable
> -------------------------------
>
> Key: CONFIGURATION-203
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-203
> Project: Commons Configuration
> Issue Type: Improvement
> Affects Versions: 1.1
> Reporter: Joe Wolf
> Priority: Minor
> Fix For: 1.7
>
>
> It would be nice if org.apache.commons.configuration.Configuration extended
> java.io.Serializable and its implementations were serializable as well.
> Theoretically, most configurations are constructed from "serialized" data
> sources.
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