AJ Utilities
AJ Utilities is a lightweight Java 8+ library. Its APIs favour small, focused objects where state or configuration is needed, while keeping stateless operations convenient. The project provides source code, Javadoc, and unit tests for common application tasks.
| Area | Main APIs | Description |
|---|---|---|
| Encoding and hashes | Base64Utils, StringBytes, UrlCodec, HashHelper |
Base64, hexadecimal, URL values, message digests, and HMACs. |
| General utilities | ConvertBasicValue, ObjectHelper, MapTool, RandomTools, StrUtil, RegExpUtils |
Type conversion, objects, maps, random values, strings, and regular expressions. |
| Structured data | JsonUtil, XmlHelper |
JSON conversion through a pluggable engine and secure XML helpers. |
| Date and time | DateTools, DateTypeConvert, Formatter |
Java 8 time formatting, strict parsing, and conversion between legacy and modern types. |
| I/O | FileHelper, ResourceHelper, DataReader, DataWriter, ZipHelper, UnzipHelper |
File, classpath resource, stream, ZIP creation, and protected ZIP extraction operations. |
| Cryptography | DoCipher, AesGcm, AesCbc, AesPbe, AesLegacy, Rsa, SecretKeyMgr, RestoreKey, PemUtils, DoSignature, DoVerify |
AES, password-based encryption, RSA-OAEP, keys and signatures; see the cryptography guide. |
| Reflection | Clazz, Fields, Methods, NewInstance, Types |
Class loading, member lookup, object construction, and generic type inspection. |
HTTP requests, uploads, downloads and annotation proxies now belong to the separate AJ HTTP project. Its Java package remains com.ajaxjs.util.httpremote, but it requires its own dependency; see the AJ HTTP installation guide.
Source code
Links
User Manual | Ask DeepWiki | Java Documents
Install
Runs on Java 8+. Maven:
<dependency>
<groupId>com.ajaxjs</groupId>
<artifactId>ajaxjs-util</artifactId>
<version>1.3.8</version>
</dependency>
