Install ant redhat

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Write a simple HelloWorld script. Understand the basic principles of work and the XML format of the build script. Find the minimum required list of tasks. Write a script for a full cycle of building and testing of a training project. Installation and check Ant can easily be installed from the repository using a command like sudo apt-get install ant replace apt-get on yum if necessary.

Basic terms and principles of work The build script is a simple XML file. We need only seven: echo — outputs messages to the console mkdir — creates directories delete — delete files and directories javac — compiles Java code java — launching class and jar files jar — creates a jar file junit — runs tests 5. Script for building and testing Java projects Ant provides complete freedom in the formation of a directory structure.

Run the script without parameters and see the result of working the Java program: Hello, World! Let's start testing. The third version of Java code: import javax. However, if the build file you are using makes use of features not yet compiled into the bootstrapped Ant, you will need to manually bootstrap. Run bootstrap. Ant's build script will try to set executable flags for its shell scripts on Unix -like systems. There are various reasons why the chmod task might fail like when you are running the build script as a different user than the one who installed Ant initially.

In this case you can set the Ant property chmod. The following libraries are needed in Ant's classpath if you are using the indicated feature. Note that only one of the regexp libraries is needed for use with the mappers and Java includes a regexp implementation which Ant will find automatically. You will also need to install the particular Ant optional JAR containing the task definitions to make these tasks available. Ant has a built in diagnostics feature. If you run ant -diagnostics , Ant will look at its internal state and print it out.

This code will check and print the following things. Running ant -diagnostics is a good way to check that Ant is installed. It is also a first step towards self-diagnosis of any problem. Any configuration problem reported to the user mailing list will probably result ins someone asking you to run the command and show the results, so save time by using it yourself. For diagnostics from within IDE, use the diagnostics task to run the same tests as an Ant option.

This can be added to a diagnostics target in a build file to see what tasks are available under the IDE, what the XML parser and classpath is, etc. If you cannot get Ant installed or working, the Ant user mailing list is the best place to start with any problem. Why the user list, and not the developer list? Because there are more users than developers, so more people who can help you. Release notes of the given version in HTML format. When upgrading your Ant installation you should have a look at the Changes that could break older environments section.

ZIP archive containing the compiled version of Ant in the last released version. It is recommended that you do not download the latest version this way, as the standard way of downloading described above will redirect you to a mirror closer to you, thus making the download faster for you and reducing the load on Apache servers. ZIP archive containing the sources of Ant. If you have this you can compile Ant.

If you do not have the required dependencies, the classes depending on them are just not built. Again, it is preferred to use the standard way of getting the source package described above to make your download quicker and to reduce the load on Apache servers. Security file for checking the correctness of the zip file. This one is the PGP signature. This one is the MD5 checksum. This one is the SHA1 checksum. This one is the SHA checksum. This directory holds the Antlibs that are made of available by the Apache Ant project.

Antlibs are bundles of Ant tasks that are not delivered as part of the Ant core but are available as optional downloads. The binaries directory holds specific Ant releases bundled in both ZIP and tar. The named releases are in contrast to the ant-current-bin. The common directory holds various files, such as the Apache License file that Ant is licensed under, that people may wish to examine without having to download the whole Ant distribution.

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