vavi-commons

Swiss-Army Knife

most functions are used by me for every development. so those are super reliable.

🧰 Contents

🔧 Bit I/O

• BitInputStream
• BitOutputStream

🔧 LittleEndian I/O

DataInputStream, DataOutputStream compatible

🔧 Adaptive I/O Stream

Decorating io streams easily

• OutputEngine, OutputEngineInputStream, InputEngine, InputEngineOutputStream

🔧 Bean Manipulation

Manipulate beans easily.

🔧 Easy Logging

Colorized good logging easily.

🔧 XML Utilities

• Pretty printer
• XPath dumper

🔧 Win32 Structures

• useful win32 structures
  • wav, avi, datetime

🔧 Easy Property Binding

• DI for properties and environment variables

🔧 Generic Event

• usable for any observer pattern

🔧 Instrumentation

• easy instrumentation

🔧 String Utilities

• Levenshtein distance
• Google DiffMatchPatch
• Hex dump

🔧 Binary I/O

• ByteUtil

🔧 Unit Test Helper

• Delayed Worker

Install

• maven

Usage

instrumentation

install jar by pom.xml

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-install-plugin</artifactId>
        <version>3.1.1</version>
        <executions>
          <execution>
            <id>install-library</id>
            <phase>install</phase>
            <goals>
              <goal>install-file</goal>
            </goals>
            <configuration>
              <groupId>com.github.umjammer.vavi-commons</groupId>
              <artifactId>vavi-instrumentation</artifactId>
              <version>${project.version}</version>
              <packaging>jar</packaging>
              <file>${project.build.directory}/vavi-instrumentation-${project.version}.jar</file>
            </configuration>
          </execution>
        </executions>
      </plugin>

java runtime option

 $ java -javaagent ${project.build.directory}/vavi-instrumentation-${project.version}.jar ...

References

License

• Engineering Solution

  • OutputEngine.java
  • OutputEngineInputStream.java
  • ReaderWriterOutputEngine.java
  • IOStreamOutputEngine.java

  GPL

TODO

• deploy to bintray via github actions
• exception
  • https://www.gwtcenter.com/raise-checked-as-unchecked
  • java.util.Stream exception handler
• jar in jar loader
• native jar -> NLL
• use jpl for Debug
• urlstreamhandler
  • use java11 urlstreamhandler spi
  • import image:data:base64 from jwinzip