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Groovy Spring Refreshable Script Bean - findScriptResourcePath

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Created this to generate file:/ script path for Groovy Refreshable Spring Beans
for use in applicationContext.groovy because refresh feature wouldn't work
when Groovy script is looked up on classpath.

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  1. // applicationContext.groovy
  2.  
  3. import org.springframework.scripting.groovy.GroovyScriptFactory
  4. import org.springframework.scripting.support.ScriptFactoryPostProcessor
  5. import org.codehaus.groovy.grails.commons.spring.DefaultBeanConfiguration
  6.  
  7. ////////////////////////////////////////////////////////////
  8. String findScriptResourcePath( String aScriptResourcePath) {
  9.     // Created this to generate script path for Groovy Refreshable Spring Beans
  10.     // for use in applicationContext.groovy because refresh feature wouldn't work
  11.     // when Groovy script is looked up on classpath.
  12.     // e.g. sample arg 'src/main/resources/USA.groovy' when running gradle runJetty task in IDEA.
  13.     File f1 = new File( aScriptResourcePath ).canonicalFile;
  14.     if (f1.exists()) {
  15.         return f1.toURI().toString(); // most likely running in IDE
  16.     }
  17.     // try again
  18.     // special case
  19.     String token1 = 'src/main/resources';
  20.     if ( aScriptResourcePath.startsWith( token1 ) ) {
  21.         return findScriptResourcePath( aScriptResourcePath - token1 );
  22.     } else {
  23.         // note: refresh feature will probably not work in this case
  24.         def result = this.getClass().getResource( aScriptResourcePath );
  25.         return (result != null) ? result.toString() : null; // e.g. returns file:/C:/blah/blah/blah.groovy
  26.     }
  27. }
  28. ////////////////////////////////////////////////////////////
  29.  
  30. beans {
  31.     importBeans('classpath:applicationContext.xml')
  32.  
  33.     String USAscriptUriPath = findScriptResourcePath('src/main/resources/USA.groovy')
  34.  
  35.     // setup refreshable usa bean
  36.     usa(GroovyScriptFactory, USAscriptUriPath) { DefaultBeanConfiguration bean ->
  37.         capital    = 'Washington, D.C.'
  38.         population = 617996
  39.  
  40.         bean.beanDefinition.setAttribute( ScriptFactoryPostProcessor.REFRESH_CHECK_DELAY_ATTRIBUTE, 5000 )
  41.     }
  42.  
  43.     scriptFactoryPostProcessor(ScriptFactoryPostProcessor) {
  44.         defaultRefreshCheckDelay = 5000
  45.     }
  46. }

URL: http://my.safaribooksonline.com/book/programming/java/9781430224990/scripting-in-spring/refreshing_beans_from_scripts

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