The DITA Open Toolkit, or DITA-OT for short, is an open-source tool that provides processing for OASIS DITA content. See dita-ot.org for documentation, information about releases, and download packages.

To build and use DITA-OT, you’ll need:

• Java Development Kit 7 or newer
• Apache Ant 1.9.4 or newer
• Apache Ivy 2.3.0 or newer

If Ant throws an error like unknown protocol: plugin or unknown protocol: cfg, your Ant installation may be outdated. Try installing a newer version of Ant.

1. Clone the DITA-OT Git repository:

    git clone git://github.com/dita-ot/dita-ot.git
   

2. Fetch the submodules:

    git submodule update --init --recursive
   

3. In the root directory, run ant to compile the Java code and install plugins:

    ant
   

1. Run the dita command to generate output:

    src/main/bin/dita [options]
   

   See the documentation for arguments and options.

1. In the root directory, run ant to compile the Java code and install plugins:

    ant
   

2. Add these files and directories to the CLASSPATH environment variable:

   • src/main/
   • src/main/lib/dost.jar
   • src/main/lib/dost-configuration.jar
   • src/main/lib/xercesImpl.jar
   • src/main/lib/xml-apis.jar
   • src/main/lib/commons-codec.jar
   • src/main/lib/commons-io.jar
   • src/main/lib/saxon-dom.jar
   • src/main/lib/saxon.jar
   • src/main/lib/xml-resolver.jar
   • src/main/lib/icu4j.jar

3. Build distribution packages:

    ant dist
   

   Distribution packages are built in the target directory.

   If Ant throws an error like java.lang.OutOfMemoryError: Java heap space, you probably need to increase the maximum Java heap size. One way to do this is to set the ANT_OPTS environment variable to a value like -Xmx1024m.

   For more information on the -Xmx option, see Java SE Documentation.

The DITA Open Toolkit is licensed for use under the Apache License 2.0.