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INT-1608 added 'filename-regex' coverage to the File chapter of the reference manual

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Mark Fisher
2010-11-14 22:50:24 -05:00
parent 54387d3547
commit 6448a11636
1 changed files with 17 additions and 10 deletions
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27
docs/src/reference/docbook/file.xml
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@@ -82,23 +82,30 @@
</beans>]]></programlisting>
Within this namespace you can reduce the FileReadingMessageSource and wrap
it in an inbound Channel Adapter like this:
<programlisting language="xml"><![CDATA[ <file:inbound-channel-adapter id="filesIn"
<programlisting language="xml"><![CDATA[ <file:inbound-channel-adapter id="filesIn1"
directory="file:${input.directory}" prevent-duplicates="true"/>
<file:inbound-channel-adapter id="filesIn"
<file:inbound-channel-adapter id="filesIn2"
directory="file:${input.directory}"
filter="customFilterBean" />
<file:inbound-channel-adapter id="filesIn"
<file:inbound-channel-adapter id="filesIn3"
directory="file:${input.directory}"
filename-pattern="test*" /> ]]></programlisting>
filename-pattern="test*" />
<file:inbound-channel-adapter id="filesIn4"
directory="file:${input.directory}"
filename-regex="test[0-9]+\.txt" /> ]]></programlisting>
The first channel adapter is relying on the default filter that just prevents
duplication, the second is using a custom filter, and the third is using the
<emphasis>filename-pattern</emphasis> attribute to add a <classname>AntPathMatcher</classname>
based filter to the <classname>FileReadingMessageSource</classname>.
The <emphasis>file-name-pattern</emphasis> and <emphasis>filter</emphasis> attributes are mutually exclusive, but
you can use a <classname>CompositeFileListFilter</classname> to use any combination of filters, including a
pattern based filter to fit your particular needs.
duplication, the second is using a custom filter, the third is using the
<emphasis>filename-pattern</emphasis> attribute to add an <classname>AntPathMatcher</classname>
based filter, and the fourth is using the <emphasis>filename-regex</emphasis> attribute to add a
regular expression Pattern based filter to the <classname>FileReadingMessageSource</classname>.
The <emphasis>filename-pattern</emphasis> and <emphasis>filename-regex</emphasis> attributes are
each mutually exclusive with the regular <emphasis>filter</emphasis> reference attribute. However,
you can use the <emphasis>filter</emphasis> attribute to reference an instance of
<classname>CompositeFileListFilter</classname> that combines any number of filters, including one
or more pattern based filters to fit your particular needs.
</para>
<para>
When multiple processes are reading from the same directory it can be desirable to lock files to prevent