grails create-plugin <<PLUGIN NAME>>

grails create-plugin <<PLUGIN NAME>> --profile=plugin

./gradlew bootRun

import grails.plugins.*

class ExampleGrailsPlugin extends Plugin {
   ...
}

package quartz

@Slf4j
class QuartzGrailsPlugin extends Plugin {
    // the version or versions of Grails the plugin is designed for
    def grailsVersion = "3.0.0.BUILD-SNAPSHOT > *"
    // resources that are excluded from plugin packaging
    def pluginExcludes = [
            "grails-app/views/error.gsp"
    ]
    def title = "Quartz" // Headline display name of the plugin
    def author = "Jeff Brown"
    def authorEmail = "[email protected]"
    def description = '''\
Adds Quartz job scheduling features
'''
    def profiles = ['web']
    List loadAfter = ['hibernate3', 'hibernate4', 'hibernate5', 'services']
    def documentation = "https://grails.groovy-lang.cn/plugin/quartz"
    def license = "APACHE"
    def issueManagement = [ system: "Github Issues", url: "http://github.com/grails3-plugins/quartz/issues" ]
    def developers = [
            [ name: "Joe Dev", email: "[email protected]" ]
    ]
    def scm = [ url: "https://github.com/grails3-plugins/quartz/" ]

    Closure doWithSpring()......

package example

import org.springframework.boot.context.properties.ConfigurationProperties

@ConfigurationProperties(prefix = "mail")
class MailPluginConfiguration {

    String hostName
    int port
    String from
}

package example

class MailService {

    MailPluginConfiguration mailPluginConfiguration

    void sendMail() {

    }

}

publishing {
    publications {
        maven(MavenPublication) {
            versionMapping {
                usage('java-api') {
                    fromResolutionOf('runtimeClasspath')
                }
                usage('java-runtime') {
                    fromResolutionResult()
                }
            }
            from components.java
        }
    }
}

./gradlew publishToMavenLocal

...
repositories {
    ...
    mavenLocal()
}
...
implementation "org.grails.plugins:quartz:0.1"

$ grails create-app myapp
$ grails create-plugin myplugin

include "myapp", "myplugin"

PROJECT_DIR
  - settings.gradle
  - myapp
    - build.gradle
  - myplugin
    - build.gradle

grails {
    plugins {
        implementation project(':myplugin')
    }
}

$ cd myapp
$ ./gradlew bootRun --verbose

:myplugin:compileAstJava UP-TO-DATE
:myplugin:compileAstGroovy UP-TO-DATE
:myplugin:processAstResources UP-TO-DATE
:myplugin:astClasses UP-TO-DATE
:myplugin:compileJava UP-TO-DATE
:myplugin:configScript UP-TO-DATE
:myplugin:compileGroovy
:myplugin:copyAssets UP-TO-DATE
:myplugin:copyCommands UP-TO-DATE
:myplugin:copyTemplates UP-TO-DATE
:myplugin:processResources
:myapp:compileJava UP-TO-DATE
:myapp:compileGroovy
:myapp:processResources UP-TO-DATE
:myapp:classes
:myapp:findMainClass
:myapp:bootRun
Grails application running at http://localhost:8080 in environment: development

// resources that should be loaded by the plugin once installed in the application
  def pluginExcludes = [
    '**/com/demo/**'
  ]

jar {
  exclude "com/demo/**/**"
}

$ grails create-app myapp
$ grails create-plugin myplugin

include 'myapp', 'myplugin'

implementation project(':myplugin')

grails list-plugins

grails plugin-info [plugin-name]

+ src/main/scripts     <-- additional scripts here
 + grails-app
      + controllers
      + services
      + etc.

$ grails create-command MyExampleCommand

import grails.dev.commands.*

class MyExampleCommand implements ApplicationCommand {

  boolean handle(ExecutionContext ctx) {
      println "Hello World"
      return true
  }
}

class MyExampleCommand implements ApplicationCommand {

  boolean skipBootstrap = true

  boolean handle(ExecutionContext ctx) {
      ...
  }
}

$ grails my-example

$ gradle myExample

+ grails-app
      + controllers  <-- additional controllers here
      + services <-- additional services here
      + etc.  <-- additional XXX here

<g:render template="fooTemplate" plugin="amazon"/>

// resources that are excluded from plugin packaging
def pluginExcludes = [
    "grails-app/views/error.gsp"
]

import org.springframework.web.servlet.i18n.CookieLocaleResolver
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor
import org.springframework.context.support.ReloadableResourceBundleMessageSource
import grails.plugins.*

class I18nGrailsPlugin extends Plugin {

    def version = "0.1"

    Closure doWithSpring() {{->
        messageSource(ReloadableResourceBundleMessageSource) {
            basename = "WEB-INF/grails-app/i18n/messages"
        }
        localeChangeInterceptor(LocaleChangeInterceptor) {
            paramName = "lang"
        }
        localeResolver(CookieLocaleResolver)
    }}
}

Closure doWithSpring() {{->
  myServlet(MyServlet)
}}

Closure doWithSpring() {{->
  myServlet(ServletRegistrationBean, new MyServlet(), "/myServlet/*") {
    loadOnStartup = 2
  }
}}

Closure doWithSpring() {{->
  myFilter(MyFilter)
}}

myFilter(FilterRegistrationBean) {
    filter = bean(MyFilter)
    urlPatterns = ['/*']
    order = Ordered.HIGHEST_PRECEDENCE
}

class SimplePlugin extends Plugin{

    def name = "simple"
    def version = "1.1"

    @Override
    void doWithApplicationContext() {
        def sessionFactory = applicationContext.sessionFactory
        // do something here with session factory
    }
}

package myplugin

@CompileStatic
class AnnotationBasedTraitInjector implements TraitInjector, SupportsClassNode {

    @Override
    Class getTrait() {
        SomeTrait
    }

    @Override
    String[] getArtefactTypes() {
        ['Controller'] as String[]
    }

    boolean supports(ClassNode classNode) {
      return GrailsASTUtils.hasAnnotation(classNode, SomeAnnotation)
    }
}

#Grails Factories File
grails.compiler.traits.TraitInjector=
myplugin.ControllerTraitInjector,myplugin.DateTraitTraitInjector

class ExamplePlugin extends Plugin {
    void doWithDynamicMethods() {
        for (controllerClass in grailsApplication.controllerClasses) {
             controllerClass.metaClass.myNewMethod = {-> println "hello world" }
        }
    }
}

class ExamplePlugin extends Plugin  {

    @Override
    void doWithDynamicMethods() {
        String.metaClass.swapCase = {->
             def sb = new StringBuilder()
             delegate.each {
                 sb << (Character.isUpperCase(it as char) ?
                        Character.toLowerCase(it as char) :
                        Character.toUpperCase(it as char))
             }
             sb.toString()
        }

        assert "UpAndDown" == "uPaNDdOWN".swapCase()
    }
}

import org.springframework.orm.hibernate3.HibernateTemplate

class ExampleHibernatePlugin extends Plugin{

   void doWithDynamicMethods() {

       for (domainClass in grailsApplication.domainClasses) {

           domainClass.metaClass.static.load = { Long id->
                def sf = applicationContext.sessionFactory
                def template = new HibernateTemplate(sf)
                template.load(delegate, id)
           }
       }
   }
}

class MyConstructorPlugin {

    void doWithDynamicMethods()
         for (domainClass in grailsApplication.domainClasses) {
              domainClass.metaClass.constructor = {->
                  return applicationContext.getBean(domainClass.name)
              }
         }
    }
}

class ServicesGrailsPlugin extends Plugin {
    ...
    def watchedResources = "file:./grails-app/services/**/*Service.groovy"

    ...
    void onChange( Map<String, Object> event) {
        if (event.source) {
            def serviceClass = grailsApplication.addServiceClass(event.source)
            def serviceName = "${serviceClass.propertyName}"
            beans {
                "$serviceName"(serviceClass.getClazz()) { bean ->
                    bean.autowire =  true
                }
            }
        }
    }
}

def influences = ['controllers']

def observe = ["controllers"]

def observe = ["*"]

class HibernateGrailsPlugin {

    def version = "1.0"

    def dependsOn = [dataSource: "1.0",
                     domainClass: "1.0",
                     i18n: "1.0",
                     core: "1.0"]
}

def dependsOn = [foo: "* > 1.0"]
def dependsOn = [foo: "1.0 > 1.1"]
def dependsOn = [foo: "1.0 > *"]

def loadAfter = ['controllers']

if (manager?.hasGrailsPlugin("controllers")) {
    openSessionInViewInterceptor(OpenSessionInViewInterceptor) {
        flushMode = HibernateAccessor.FLUSH_MANUAL
        sessionFactory = sessionFactory
    }
    grailsUrlHandlerMapping.interceptors << openSessionInViewInterceptor
}

def loadBefore = ['rabbitmq']

def environments = ['development', 'test', 'myCustomEnv']
def scopes = [excludes:'war']

def environments = "test"

def environments = ["development", "test"]

def environments = [includes: ["development", "test"]]