Writing a report plugin is very similar to writing any other Mojo Plugin (see e.g. "Better Builds with Maven", Chapter 5 for an introduction into that). The most significant difference is that you do extend the
AbstractMavenReport class rather than the
You need to implement your Mojo as AbstractMavenReport, then you can simply add it to the <plugin> section within the <reporting><plugins> section of your POM and your report will be generated and linked into the Maven site automagically:
and so on.
@phase site binds your plugin to the site lifecycle of the build.
You need to implement or override the following methods:
public void executeReport(Locale defaultLocale) throws MavenReportException- This method is called during site phase to actually produce your report.
- Other methods:
src/main/resources/my-report.propertiesthat contains the necessary keys for your plugin, e.g. Note:: If you want to create the report without using Doxia, e.g. via XSL transformation from some XML file, then simply add the following method to your Mojo:
For the use of getBundle() you need to provide a resource bundle in
You also need to use the Doxia Sink API to have complete decoration (ie. menus). That is quite straightforward. You simply import
org.apache.maven.doxia.sink.Sinkand get an instance by simply calling the class method
getSink() (you don't even have to implement it). Then you can do things like that:
More than report from one plugin
If you want to have more than one goal in our plugin to generate several reports, simply add another Mojo with its own
@goal something tag. From the POM, you can control which goal is executed within the
<reportSet> section as follows:
Maven Changes Plugin
One of the best possibilities to understand how reporting works at this level ist to have a look into the sources of the Maven Changes Plugin at https://svn.apache.org/repos/asf/maven/plugins/trunk/maven-changes-plugin/ (or the current TAG inhttps://svn.apache.org/repos/asf/maven/plugins/tag, if you prefer that). The sources aren't hard to read and it takes little time to understand the mechanism.