Can I download some files from http while maven lifecycle? any plugin?
You can use the download-single
goal in the wagon
plugin. Here is an example to download an HTML page (notice that the URL have to be split in a "directory" url and a "file name")
org.codehaus.mojo
wagon-maven-plugin
1.0
validate
download-single
http://www.mojohaus.org/wagon-maven-plugin
download-single-mojo.html
[my dir]/mojo-help.html