IBM WebSphere Application Server configuration is mainly composed of XML format files, along with some non-XML format files. These configuration files are spread across several directories in the WebSphere Application Server installation or configuration tree. The contents of these files are structured in a WebSphere-specific format to adhere to the underlying configuration model.
These configuration objects can be accessed and manipulated with a number of administration tools, such as wsadmin commands, the administrative console, and public Java™ APIs. Each tool offers unique tasks to modify different parts of the configuration. For example, wsadmin contains AdminConfig, AdminTask, AdminApp, and AdminControl tasks to query and modify different objects within a WebSphere Application Server configuration. Leveraging these and other available wsadmin functions traditionally requires an administrator with a thorough understanding of all available tasks.
WebSphere Application Server V7.0 introduces a simple properties file based configuration feature that can be used as a single general tool for querying and modifying configuration objects within a WebSphere Application Server configuration. With this utility, you can examine and update the configuration by extracting configuration elements into a human readable properties file, modify the extracted properties file as necessary, and then apply the changes back to the configuration. Ultimately, this means that you now only need to know one set of commands -- rather than a set of commands per tool -- to configure WebSphere Application Server.
This article provides examples to illustrate how you can extract WebSphere Application Server configuration information into a simple properties file, how to modify the extracted properties file, and finally how to apply your modifications back to the WebSphere Application Server configuration.
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