I'd like to save some unpacked files into the temp folder of a machine.
Question : How can I get the temp folder using maven?
Question : Will it work on both linux and windows environments?
Maven supports , as part of the default properties, any Java System property , hence you can use the following property:
java.io.tmpdir
Default temp file path
As example:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>unpack</id>
<phase>package</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<!-- further conf here -->
<outputDirectory>${java.io.tmpdir}/libs</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
Note the outputDirectory
element and its value.
As a further note, also note that the target
folder of the Maven build is also meant to host temporary files, so you should also consider to use it for such a purpose.
Will it work on both linux and windows environments?
Yes, since it is Java property, it is supposed to be OS independent.
use the java environment tmp dir - java.io.tmpdir
you can access it from maven via ${java.io.tmpdir}
without having to predefine it.
you can also customize it on a specific run by running:
mvn clean install -Djava.io.tmpdir=/tmp/where/ever
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