Hatch Review

Bill Erickson, Software Development Engineer, King County Library System

Evergreen Conference, 2018

What Problem Does Hatch Solve?


Hatch Architecture

  1. Browser AngularJS Service egHatch (JavaScript)

  2. Browser Extension (JavaScript)

  3. Native Application (Java)

Hatch Message Flow

Hatch Diagram

JS Objects and JSON All The Way Down

    "content":"<b>Hello, World!</b>",
    "clientid":5319,                   // set by extension
    "origin":"https://eg.example.org", // set by extension
    "settings":{"context":"default","printer":"HP-Deskjet-5100", ...}


Verifying the Java Install

# Linux
$ ./hatch.sh test

# Windows
C:\Program Files (x86)\Hatch> hatch.bat test

2017-03-29 13:52:21 FINEST MessageWriter sending: {"clientid":1,"origin":"https://test.hatch...
2017-03-29 13:52:21 INFO   Using data directory: /home/berick/.evergreen
2017-03-29 13:52:21 FINEST MessageReader read: {"clientid":1,"origin":"https://test.hatch....
2017-03-29 13:52:21 INFO   Received message id=1 action=keys

Browser Client Configuration

Enable Hatch

Administration ⇒ Workstation ⇒ Print/Storage Service ("Hatch")

Hatch Settings

Hatch Printing UI

Administration ⇒ Workstation ⇒ Printer Settings

Hatch Print Config

What’s Next?