/usr/share/app-install/desktop/icedtea-netx-common:icedtea-netx-javaws.desktop is in app-install-data 14.04.0.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | [Desktop Entry]
X-AppInstall-Package=icedtea-netx-common
X-AppInstall-Popcon=17891
X-AppInstall-Section=main
Name=IcedTea Java Web Start
Comment=IcedTea Java Web Start
Exec=/usr/bin/javaws %u
Terminal=false
Type=Application
Icon=javaws
Categories=Application;Network;
MimeType=application/x-java-jnlp-file;
NoDisplay=true
X-Ubuntu-Gettext-Domain=app-install-data
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