Implement proxy settings for Maven

[MaurizioCasciano]

It would be good to have the proxy settings for Maven too.
Since the proxy settings for Maven are stored in an XML file, it may help using http://xmlstar.sourceforge.net/

[himanshub16]

Hi @izio7
Since I have never interacted with Maven and is not something someone ever reported a problem to me (perhaps because they were willing enough to configure it), I request contributions to handle this.

Also, instead of adding a dependency to handle XML configurations, it'd better use primitive UNIX tools like sed, grep, etc. the way they are being used throughout ProxyMan.

[joselescudero]

Hello,
Maybe is not the best solution but I'm using maven and I´ve configured it setting the MAVEN_OPTS variable in shellrc.sh:

if [ "$USE_HTTP_PROXY_FOR_HTTPS" = "true" ]; then
<existing_code>
echo "export MAVEN_OPTS="-Dhttp.proxyHost=${stmt}${http_host} -Dhttp.proxyPort=${http_port} -Dhttps.proxyHost=${stmt}${http_host} -Dhttps.proxyPort=${http_port} -Dhttp.nonProxyHosts=${no_proxy//,/|}"" >> "$SHELLRC"
else
<existing_code>
echo "export MAVEN_OPTS="-Dhttp.proxyHost=${stmt}${http_host} -Dhttp.proxyPort=${http_port} -Dhttps.proxyHost=${stmt}${https_host} -Dhttps.proxyPort=${https_port} -Dhttp.nonProxyHosts=${no_proxy//,/|}"" >> "$SHELLRC"
fi

Probably it should be enhanced to include also the SOCKS proxy but I am not able to test it. The previous configuration works for me.

Should I create a pull request?

[himanshub16]

Not very sure about the conditions where Maven requires proxy to be configured.
I've been using maven and gradle for a while behind proxy, and they seem to work fine using environment variables (http_proxy from bashrc).
It would be helpful to know your OS details - the less to maintain, the better.

I am very new to Java world, but if we are exporting MAVEN_OPTS environment variable, how can the user add more parameters to $MAVEN_OPTS (something like export MAVEN_OPTS="$MAVEN_OPTS:-Dsomesetting=somevalue" without modifying existing scripts (if any)?
Will the user have to update his/her scripts to make sure they have both options (this and theirs, if configured)?

[rishabhdeepsingh]

I think this is fixable as we can create .m2/settings.xml file where we can store the proxies and it should work.