enhance gradle s2-quickstart to handle running in a web-plugin profile

Author: David Estes

plugin-core/docs/src/docs/introduction/gettingStarted.adoc

@@ -40,6 +40,9 @@ After installation, execute the `s2-quickstart` initialization script. This sets
 ./gradlew runCommand -Pargs="s2-quickstart com.yourapp User Role"
 ----
 
+If you are installing into a Grails plugin instead of an application, you must make sure you are using  the `web-plugin` profile. Otherwise dependncies will not be met.
+Running the same command will inject the spring beans into  your `GrailsPlugin` classes `doWithSpring` method.
+
 === Plugin Configuration and Setup
 
 The Spring Security plugin streamlines configuration and setup through a combination of steps:
@@ -52,4 +55,4 @@ The Spring Security plugin streamlines configuration and setup through a combina
 
    The plugin configures Spring beans within the application context to implement various functionality components. Dependency management automatically handles the selection of appropriate jar files.
 
-By following these steps, your Grails application will be ready to leverage the Spring Security plugin for enhanced security. While in-depth knowledge of Spring Security isn't mandatory, having a basic understanding of its underlying implementation can be helpful. For more details, refer to the [Spring Security documentation](https://{htmlsingle}).
+By following these steps, your Grails application will be ready to leverage the Spring Security plugin for enhanced security. While in-depth knowledge of Spring Security isn't mandatory, having a basic understanding of its underlying implementation can be helpful. For more details, refer to the [Spring Security documentation](https://{htmlsingle}).

plugin-core/plugin/grails-app/commands/grails.plugin.springsecurity/S2QuickstartCommand.groovy

@@ -205,7 +205,16 @@ Example: ./grailsw s2-quickstart --uiOnly
         List<Map<String, String>> beans = []
         beans.add([import    : "import ${userModel.packageName}.${userModel.simpleName}PasswordEncoderListener".toString(),
                    definition: "${userModel.propertyName}PasswordEncoderListener(${userModel.simpleName}PasswordEncoderListener)".toString()])
-        addBeans(beans, 'grails-app/conf/spring/resources.groovy')
+
+        if(new File('grails-app/conf/spring/resources.groovy').exists()) {
+            addBeans(beans, 'grails-app/conf/spring/resources.groovy')
+        } else {
+            //we could be generating this in a plugin... we should look for a Plugin class
+            File pluginClassFile = findPluginClass()
+            if(pluginClassFile  != null) {
+                 addBeansToPlugin(beans, pluginClassFile)
+            }
+          }
 
 
         generateFile('Authority', roleModel.packagePath, roleModel.simpleName)
@@ -301,5 +310,39 @@ Example: ./grailsw s2-quickstart --uiOnly
         }
     }
 
+    private void addBeansToPlugin(List<Map<String, String>> beans, File pluginClassFile) {
+        List<String> lines = []
+        if (pluginClassFile.exists()) {
+            pluginClassFile.eachLine { line, nb ->
+                lines << line
+                if(line.contains('package')) {
+                     beans.forEach(bean -> lines.add(bean.import))
+                }
+                if (line.contains('doWithSpring()')) {
+                    beans.each { Map bean ->
+                        lines << '        ' + bean.definition
+                    }
+                }
+            }
+        } 
+
+        pluginClassFile.withWriter('UTF-8') { writer ->
+            lines.each { String line ->
+                writer.write "${line}${System.lineSeparator()}"
+            }
+        }
+    }
+
+
+    private File findPluginClass() {
+        File pluginClass = null
+        new File("src/main/groovy").eachFileRecurse { fl ->
+            if (fl.isFile() && fl.name.endsWith("GrailsPlugin.groovy")) {
+                pluginClass = fl
+            }
+        }
+        return pluginClass
+    }
+
 }