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https://issues.apache.org/jira/browse/MIME4J-222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ioan Eugen Stan reassigned MIME4J-222:
--------------------------------------
Assignee: Ioan Eugen Stan
> MessageImplFactory is needed
> ----------------------------
>
> Key: MIME4J-222
> URL: https://issues.apache.org/jira/browse/MIME4J-222
> Project: James Mime4j
> Issue Type: Improvement
> Components: parser (core)
> Affects Versions: 0.8
> Reporter: Raman Gupta
> Assignee: Ioan Eugen Stan
> Fix For: 0.8
>
> Attachments: mime4j-222.patch
>
>
> In order to create a custom Message-Id, one must currently override the
> method "newMessageId" e.g.
> return new MessageImpl() {
> @Override
> protected UnstructuredField newMessageId(String hostname) {
> String fieldValue = createUniqueMessageId(hostname);
> return parse(UnstructuredFieldImpl.PARSER,
> FieldName.MESSAGE_ID, fieldValue);
> }
> };
> However, in some cases Mime4j instantiates the MessageImpl internally e.g.
> DefaultMessageBuilder.parseMessage and therefore the newMessageId function
> cannot be overwridden. This means that I cannot use DefaultMessageBuilder to
> create a MessageImpl in which I control how the Message-Id is created.
> I have attached a patch to make DefaultMessageBuilder take a
> MessageImplFactory to create the MessageImpl.
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