You can download XALAN from the following URL on the Apache project Web site.
Download the latest Java version of XALAN to your workstation. Note that XALAN is also provided as a non-Java implementation; make sure you download the Java version. After extracting the XALAN archive, you will have an installation directory named after the version of XALAN (for example, xalan-j_2_2_D14).
After installing XALAN, you will need to make the XALAN class files available to the J2EE server and any Java applications you may write. The simplest method of doing this is to install the required XALAN JAR files as JDK extensions.
JDK extensions are installed in the lib/ext directory of the Java Runtime Edition ...