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MulTEx is a simple, but powerful framework for organizing exceptions and messages in a multi-tier Java software system. It offers the key features: Causal chains/trees as a means to capture low-level error information. Redundancy-free stack traces and message chains in the case of indirectly caused exceptions. Internationalized message texts and parameters for exceptions. Services for reporting an exception chain/tree onto streams and dialogs. A standard way for writing method bodies with regard to exceptions. A collection of utilities for centralized exception reporting.

Rule Learner is an open source Java library for learning business rules from historical data. It supports supervised Machine Learning by incorporating well-known algorithms such as RIPPER and C4.5 provided by open source tools such as Weka. Rule Learner is implemented as a Machine Learning component of OpenRules Decision Manager. It allows business analysts to place their historical data in simple Excel tables and to automatically discover business rules that find certain pattern in this data. The generated rules are human readable and presented in Excel format executable by OpenRules Decision Manager.

The Zello Channels SDK allows you to integrate Zello push-to-talk into your own application. The SDK communicates with a Zello server over a web socket connection using a JSON-based protocol, and offers a simple API to send and receive audio, images, and text over Zello channels. Supported features include: Send voice messages from the device microphone Play incoming voice messages through the device speaker Send voice messages from your own audio code, e.g. from a file Receive voice message data with your own audio code with optional pass-through to the device speaker Send and recieve text messages Send and receive images Send the device's current location, and receive location messages from other users The protocol specification is also available if you prefer to develop your own client in-house.

A very simple, no-dependencies drawing API providing some primitive operations including lines, rectangles, circles, ellipses, arcs. It doesn't actually draw TO anything, you must provide your own implementation of Backing to actually paint the pixels. This project is intended for use with Snake, my project for Razer devices on Linux, but is made available in case others may find it useful. It doesn't have anything fancy like anti-alias, transformations or even line widths, contributions welcome though!

POJava DateTime is a simple, light-weight Java-based API for parsing and manipulating dates. It parses dates from most languages and formats out of the box without having to specify which format is expected. Defaults such as time zones, and whether to interpret an internationally ambiguous date like "03/06/2014" as DMY order or MDY order are inferred by system time zone and locale and stored in a default config object that can be replaced or overridden. Multiple languages for month names are supported without any additional configuration needed. This is a forked version edited by Jianlin

This is a simple Web Service Client library to call wide variety of web service behind HTTP. In theory it can support any interface or payload. On the request side, to convert java object to HTTP request components (URL, headers, body), templating is used which allows it to call XML, JSON, SOAP, REST or anyother custom interface. On the response side, it uses pluggable parser and a mapper to only extract the fields that are of interest for the client program. The parser currently supports JSON and XML and returns a collections tree.

DynamicJasper (DJ) is an API that hides the complexity of Jasper Reports, it helps developers to save time when designing simple/medium complexity reports generating the layout of the report elements automatically. It creates reports dynamically, defining at runtime the columns, column width (auto width), groups, variables, fonts, charts, crosstabs, sub reports (that can also be dynamic), page size and everything else that you can define at design time. This dependency provides basic ttf font files to be used along with DynamicJasper. This packages requires JasperReports 6.3.1 or newer http://dynamicjasper.com

It helps to quickly make settings for class and its fields of with properties XML. Instead of create a lot of files to describe every class and its fields it use describing by type, by name. E.g. setting "java.lang.Integer"-"INTEGER NOT NULL" will be assigned for every field of this type. Of course it can be overridden by settings for field name and so on. It is used by beige-web to describe how to render an entity and convert from HTML value. It is used by beige-orm to describe how to map an entity to a DBMS. It make simple settings - Map<String, String>, e.g. "title"-"Beige ORM 1.1", class settings Map<String, Map<String, String>>, e.g. "org.model.Customer"-["defaultOrder"-"ITSNAME", "wdgFilterOrder"-"filterOrderStd"], fields settings Map<String, Map<String, Map<String, String>>>, e.g. "org.model.Customer"-["itsId"["wdgNew"-"null", "wdgFilter"-"filterNumber"]]