dump-window-hierarchy

#! /bin/bash
#
# prerequisites:
# - adb finds and list the device
# - APKs installed (./culebratester2 install)
# - ./culebratester2 start-server
# - jq installed (https://stedolan.github.io/jq/) if JSON used
#

set -e
set +x

base_url=http://localhost:9987/v2/

do_curl() {
    curl -sf -H "accept: application/$format" -H "Content-Type: application/json" "$@"
}

if [[ $1 == '-x' ]]
then
    shift
    set -x
fi

# If there is an argument it should be the format: JSON or XML
case $# in
    0) format=JSON; formatter=jq;;
    1) format="$1"; formatter=cat;;
    *) printf 'ERROR\n';;
esac

do_curl -X GET "${base_url}/uiDevice/dumpWindowHierarchy?format=$format" | $formatter