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chex4j

Chex4j allows you to document and enforce @pre and @post conditions of method calls with runtime class file instrumentation. Conditions run as fast as normal code. Chex4j runs as a class load time javaagent. Optionally the instrumented classes may be output to disk for deployment.
http://chex4j.sourceforge.net/
Eclipse Public License - v 1.0
Simon Massey
normal disk runtime chex4j instrumentation time document javaagent allows file deployment classes with post class instrumented code calls optionally conditions method load runs output fast enforce
Files download
File Operation
chex4j-1.0.2.pom download
Apache Maven 
<dependency>
  <groupId>net.sf.chex4j</groupId>
  <artifactId>chex4j</artifactId>
  <version>1.0.2</version>
  <type>pom</type>
</dependency>
Gradle Groovy 
implementation 'net.sf.chex4j:chex4j:1.0.2'
Gradle Kotlin 
implementation("net.sf.chex4j:chex4j:1.0.2")
Scala SBT 
libraryDependencies += "net.sf.chex4j" % "chex4j" % "1.0.2"
Groovy Grape 
@Grapes(
  @Grab(group='net.sf.chex4j', module='chex4j', version='1.0.2')
)
Apache Ivy 
<dependency org="net.sf.chex4j" name="chex4j" rev="1.0.2" />
Leiningen 
[net.sf.chex4j/chex4j "1.0.2"]
Apache Buildr 
'net.sf.chex4j:chex4j:jar:1.0.2'
Dependencies 
<parent>
  <groupId>org.sonatype.oss</groupId>
  <artifactId>oss-parent</artifactId>
  <version>7</version>
</parent>

compile

|-- org.javassist:javassist:3.14.0-GA

test

|-- junit:junit:4.7