A simple script that extracts javadoc from maven and opens it in firefox for easy documentation browsing.

mvnjavadoc.sh

#!/bin/bash
set -e

IFS=':' read -r -a fullArtifactId <<< "$1"

usage () {
    echo "Usage: $0 <groupId>:<artifactId>:<version>"
}

if [ ${#fullArtifactId[@]} -ne 3 ] ; then
    usage
    echo "Please provide artifact in format <groupId>:<artifactId>:<version>"
    exit 1
fi

docsDir="$HOME/.mvnjavadoc"
thisDocDir="$docsDir/$1"

mkdir -p "$docsDir" "$thisDocDir"

thisDocJar="$thisDocDir/$1.jar"
if [ ! -f "$thisDocJar" ] ; then
    mvn dependency:get -Dclassifier=javadoc \
        -DgroupId=${fullArtifactId[0]}      \
        -DartifactId=${fullArtifactId[1]}   \
        -Dversion=${fullArtifactId[2]}      \
        -Ddest="$thisDocJar"
fi

thisDocHtmlDir="$thisDocDir/extracted"

mkdir -p "$thisDocHtmlDir"

if [ ! -f "$thisDocHtmlDir/index.html" ] ; then
    unzip "$thisDocJar" -d "$thisDocHtmlDir"
fi

firefox "$thisDocHtmlDir/index.html"