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I know that, we can very well use ANT and Maven together to build the project.We can run ANT scripts through Maven's POM.xml. But my question is can we run pom.xml through ANT's build.xml ? i.e. can we create maven build from build.xml
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As with any other Maven plugin, to make use of AntRun plugin, we need to define executions. Since we declared our plugin to run during Maven's package phase, running Maven's package goal will execute our plugin configuration above.
What is a POM? A Project Object Model or POM is the fundamental unit of work in Maven. It is an XML file that contains information about the project and configuration details used by Maven to build the project. It contains default values for most projects.
Create Ant build fileIn the Project tool window, select the directory, where the build file should be created. Right-click the directory and from the context menu, select New | File ( Alt+Insert ). In the New File dialog, specify the name of the new file with the xml extension, for example, build. xml.
Action. Configure the run goal form the Maven AntRun plugin. Define any properties you wish to pass to the external Ant build, and then call the external Ant build with the ant task, specifying the antfile and target you wish to execute. To execute this external Ant build, run mvn package.
To run the ant build file, open up command prompt and navigate to the folder, where the build. xml resides, and then type ant info. You could also type ant instead. Both will work,because info is the default target in the build file.
Yes, using maven ant tasks.
The page lists out multiple maven tasks which can be integrated into an ant build script, thus combining the features of both. To take an example, there is the mvn task, which as documented can do a full maven build from ant.
<artifact:mvn mavenHome="/path/to/maven-3.0.x">
<arg value="install"/>
</artifact:mvn>
Besides this, there are
each described with examples.
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Maven and ANT are very different build tools. In ANT you write all the logic yourself, whereas a standard build process is "baked in" with Maven. The POM file contains no logic, instead it contains a series of declarations about your project.
If you understand well how Maven works, it is theoretically possible to take a POM and generate an ANT build that emulates the behaviour of the Maven build. I'm not aware of any solution which can easily convert in the other direction, mainly because ANT is missing Maven functionality, such as dependency management.
Instead of trying to convert an ANT build into Maven, I'd recommend that you keep your existing build logic and delegate the management of your classpath to the ivy or Maven ANT tasks. These tools also provide tasks to publish your build output to a Maven repository, enabling your project to share with other projects using Maven.
Finally, I'm an ivy advocate and wrote an ant2ivy script which can assist in upgrade process. It creates an initial set of configuration files for downloading your projects dependencies from the Maven central repository.
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