3/21/2023 0 Comments Apache ant tutorial![]() ![]() The only difference for the other projects is the value of the name attribute of the project element. ![]() In the case of the admin component, build.xml will look like this: admin/build.xml To use these common tasks, each component creates a build.xml file that simply imports build-common.xml. A real script would be calling the, and tasks respectively. ![]() This example is only echoing messages to enable the targets to be traced. The common build script looks like this: build-common.xml Making use of this feature, we will use a common build script containing all the shared targets, and a much simplified script in each component. However, Ant 1.6 introduced the task, which greatly simplifies writing scripts for multiple projects with a similar structure. Traditionally, a script similar to the example above would have been copied into each of the component directories. Other targets can build a distributable or clean up generated files. The standard way to build a component from Ant is to declare a build or compile target and use the javac task. These projects are contained in sibling directories underneath a top level “ example” directory. Has no other dependencies.īased upon this description, the dependencies between components can be illustrated as follows: model Objects that encapsulate data and associated behaviour. Depends upon the model and common components. admin Functionality to administer the application data. Example Systemįor the purposes of describing this technique, I’ll use an example application that has been split into four components: web Views and user interaction code. See the Ant Related Projects page for many examples of other alternative solutions to the method presented in this article. Unlike other solutions, this technique for managing dependencies does not need any external tasks to those already distributed with Apache Ant, as it leverages Ant’s inbuilt target dependency behaviour. This article discusses a technique for managing the build order of separate sub-projects in a large software system purely using task dependencies within Ant scripts. ![]()
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