Searches path for .class files compiled from specified Scala or Java class Usage: findClasses fileName [className] -c classpath; if not specified then all classes under target/scala-* are searched -e Exact match required for fileName, or className if specified -s Show javap decompilation output

javapDriver

#!/bin/bash
function help {
  echo "Searches path for .class files compiled from specified Scala or Java class"
  echo "Usage: $(basename $0) fileName [className]"
  echo "  -c classpath; if not specified then all classes under target/scala-* are searched"
  echo "  -e Exact match required for fileName, or className if specified"
  echo "  -s Show javap decompilation output"
  exit -1
}

CLASSPATH='target/scala-*/classes/'
while getopts "des\?" opt; do
   case $opt in
       c ) CLASSPATH="$OPTARG" ;;
       d ) set -xv ;;
       e ) EXACT_MATCH=true ;;
       s ) SHOW_CONTENTS=true ;;
       h ) help ;;
       \?) help ;;
   esac
done
shift $(($OPTIND-1))

if [ $# -lt 1 ]; then help; fi
FILE_NAME=$1
if [ $# -eq 1 ]; then 
  CLASS_NAME=$1
else
  CLASS_NAME=$2
fi

for CP in $CLASSPATH; do
  if [ "$EXACT_MATCH" ]; then
    FILES=`find $CP -name \*${CLASS_NAME}.class`
  else
    FILES=`find $CP -name \*${CLASS_NAME}\*`
  fi
  for F in $FILES; do
  CONTENTS=`javap -classpath $CP $F`
	FOUND=`echo "$CONTENTS" | grep -H "Compiled from \"*${FILE_NAME}"`
	if [ -n "$FOUND" ]; then
	  echo "$F"
	  if [ "$SHOW_CONTENTS" ]; then echo "$CONTENTS"; fi
	fi
  done
done