Apache Jakarta Commons: Reusable Java Components by Will Iverson

By Will Iverson

Iverson, an program improvement perform supervisor, indicates Java builders the best way to take complete benefit of Jakarta Commons. He starts with an summary of the objectives, install, and use of the Commons parts, then offers example-rich chapters at the 12 most beneficial Commons applications, delivering special code samples for each part. The booklet can be necessary for builders construction code for front-end internet purposes, client-side software program, or back-end servers.

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Example text

A very simple file transfer protocol with no access control. Sometimes found on local networks as part of a network boot process. html. A generic two-way protocol, most commonly used for remote shell access, but also acting as the underlying infrastructure of other standards (such as FTP). html. A popular, more sophisticated file transfer protocol than TFTP. html. Network News Transfer Protocol, most popularly known as the underlying protocol behind USENET. com/grphp. BSD "R" Commands A set of commands intended to provide remote services without a login (including rexec, rcmd/rshell, and rlogin).

Add performance metrics to compare different browsers. , Apache Jakarta Tomcat) affect the performance? Chapter 3. HttpClient It goes without saying that there is a staggering amount of data available on the Internetspecifically, available via the World Wide Web (HTTP). HttpURLConnection class shows that simple HTTP resources can easily be downloaded by Java applications. html#compare). Fortunately, these limitations are overcome when using the Commons HttpClient. html, but some of the most interesting features include: Automatic Cookie ManagementAllowing access to web resources that require web form authentication and session tracking via cookies.

Figure 4-1. FTP class diagram [View full size image] 51 52 Origins of Commons Net According to the Apache Jakarta Commons Net web site, the package was originally developed as a commercial suite, NetComponents: "NetComponents was originally a commercial product, but after ORO dissolved, it was continued to be made available for those who found it useful. 8, released in 1998. " It's fortunate that even though ORO dissolved, the time and energy to convert this to an Apache Jakarta project was made.

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