Table of Contents
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Expresso also provides a number of "Utility" objects - general purpose objects used in many areas of Expresso itself and useful in the applications you develop with Expresso.
File manipulation: Utilities for copying and moving files, and performing certain manipulations on file names.
String Utilities: Some utilities for more complex manipulation of strings than the standard Java String object allows, including checking of strings for null values and blank values.
Logging: Classes to interface with the Apache Log4j project, allowing completely customizable multi-level logging to files, database, and other destinations with low impact on performance.
Operating System Processes: Classes to wrapper a call to an external executable, and to wait for a specified timeout interval for it to finish.
The following persons have contributed their time to this chapter:
Mike Rimov
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