Package e4s.util

The utility classes contain several classes or functions which are common needed within the e4s.

See:
Description

Interface Summary

E4MemoryWatchdog.AEP_MemoryFree
E4StatusInformation_Intf	An interface used to handle status information.

Class Summary

E4AjaxVec	Internal usage by E4S.
E4BackupFile	Utility class to perform cyclic file renaming on backup files.
E4Constants	Defines some common constants for the E4S project in general.
E4Date	Deprecated. UNDER CONSTRUCTION
E4Debug	Helper Class for debugging objects.
E4DirEntryDefaultImages	Images for directory listing.
E4DurationTimer	Object for timing measurements within the E4S environment.
E4DurationTimer.E4DurationTimerPosition	Position of the Timer, related to the Java source code (class, method and linenumber).
E4ElementsVec	Encapsulated Vector class used only to hold elements of type E4HtmlElement_Intf.
E4HashEventHandler	Holds elements of type .
E4HashEventHandler.vecSameHandlers
E4ID	Common used identification (ID) for elements in the e4s framework.
E4ImageResizer	Resizes an image specified by a relative filename based on the client's root path by a specified width and height in pixels.
E4ImageResizer.E4ImageResizerSize	Image width and height
E4ImageResizer.PostProcessingInformation
E4Images	Common used images in the e4s environment.
E4JavaScriptLibrary	This module is a collection of common used standard scripts in E4S.
E4Long	Similar to a Long datatype, but it is possible to inheritance sub classes from this type.
E4MemoryWatchdog	The Memory-Watchdog will be check in a certain intervall, if enought memory is free.
E4Object	This is a useful base class, where most of the classes in E4S are inherited from.
E4ObjectCounter	Counter for instanciated E4Objects.
E4ObjectLifecycleWatcher	Watchdog for objects, is used on E4HttpServlet to track ingoing/outgoing calls (based on Methods) for detecting endless methods that damage performance.
E4ObjectLifecycleWatcher.E4HttpServletWatch
E4ObjectLifecycleWatcher.WatchObject
E4PrintStream	Writes output to a file.
E4ScriptsVec	Collects Java-Scripst.
E4Settings	System properties.
E4Settings.DATATYPE_DEF
E4SimpleXmlEncoder	Simple XML decoding, enables the encoding of simple structured XML strings.
E4String	Similar to a String datatype, but it is possible to inheritance sub classes from this type.
E4StringBufferHtml	Contains the rendered HTML output for each (or all cascading) elements.
E4StringImage	Similar to a String datatype that is used to be displayed as image content.
E4StyleAttributes	Hold attributes for the styles.
E4Symbols
E4UniqueIdentifier	Supports a "unique" Identifier by an system wide incremented long value.
E4UserValues	Stores user dependent values in a hash structure.
E4Util	General utility functionality.

Exception Summary

E4Exception

Package e4s.util Description

The utility classes contain several classes or functions which are common needed within the e4s. This also includes the e4sObject which most classes are inheritated from and enables trace functionality, as well as e4sString and e4sLong which implement datatypes for database access objects.