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Static  Resources  Management   workshop Brian  Clozel   @brianclozel

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Getting  started $  open  http://bit.ly/resourcehandling   $  git  clone  http://github.com/bclozel/…   $  git  fetch  -­‐-­‐all   $  cd  angularjs  &&  mvn  package

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Brian Clozel @brianclozel http://spring.io/team/bclozel

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First  application 4 What  could    we  achieve  before  Spring  4.1?

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Resource  Handling  <  4.1 • Serve  static  resources  from  *any*  Spring   Resource  location   • Basic  Cache  header  management   • Easy  to  configure 5

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WORKSHOP  PART  #1

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Remaining  questions • optimize  (concatenate,  minify)   • transform  (LESS,  coffeescript,  gzip)   • front-­‐end  optimization  (cache  busting  URLs,   concatenate,  minify)     • development  experience 7

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AngularJS 8 First  run  with  Resource  Handling  

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Sources  of  inspiration • a  complete  asset  pipeline  built  into  Spring  MVC   • fingerprinting  URLs  for  cache  busting   • client  side  dev  in  Sagan  project 9

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Why  not  an  asset  pipeline? • runtime  vs.  build  time  approach   • languages  and  tools  evolve  *fast*   • ES6,  HTTP/2 10

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Client  source  code  layout • src/main/webapp  just  not  adequate  anymore     • client  *and*  server:  dependency  management,   modularity,  tests,  build  artifacts   • client-­‐side  development:  ctrl+S,  F5 11

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WORKSHOP  PART  #2

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ES6  app 13 client-­‐side  build  and  JS  module  loaders

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Spring  4.1  resource  handling • ResourceResolver   • ResourceTransformer   • ResourceUrlProvider 14

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Built-­‐in  ResourceResolvers • PathResourceResolver   • VersionResourceResolver   • GzipResourceResolver   • CachingResourceResolver 15

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Built-­‐in  ResourceTransformers • CssLinkResourceTransformer   • AppCacheManifestResourceTransformer   • CachingResourceTransformer 16

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VersionResourceResolver • VersionStrategies:   • ContentVersionStrategy  (md5  hashes)   • FixedVersionStrategy  (version  string  as  a   path  prefix) 17

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WORKSHOP  PART  #3

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Q&A 19 …and  what’s  next?

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What’s  next? • https://github.com/bclozel/spring-­‐resource-­‐ handling   • https://github.com/spring-­‐io/sagan   • https://jira.spring.io 20