boolean handle()

in grails-plugin/src/main/groovy/grails/plugin/hibernate/commands/SchemaExportCommand.groovy [48:103]
44 lines of code
10 McCabe index (conditional complexity)

    boolean handle(ExecutionContext executionContext) {
        CommandLine commandLine = executionContext.commandLine

        String filename = "${executionContext.targetDir}/ddl.sql"
        boolean export = false
        boolean stdout = false

        for (arg in commandLine.remainingArgs) {
            switch(arg) {
                case 'export':   export = true; break
                case 'generate': export = false; break
                case 'stdout':   stdout = true; break
                default:         filename = arg
            }
        }

        def argsMap = commandLine.undeclaredOptions
        String dataSourceName = argsMap.datasource ? argsMap.datasource : ConnectionSource.DEFAULT

        def file = new File(filename)
        file.parentFile.mkdirs()

        HibernateDatastore hibernateDatastore = applicationContext.getBean("hibernateDatastore", HibernateDatastore)
        hibernateDatastore = hibernateDatastore.getDatastoreForConnection(dataSourceName)

        def serviceRegistry = ((SessionFactoryImplementor)hibernateDatastore.sessionFactory).getServiceRegistry()
                                                                                            .getParentServiceRegistry()
        def metadata = hibernateDatastore.metadata

        def schemaExport = new HibernateSchemaExport()
                .setHaltOnError(true)
                .setOutputFile(file.path)
                .setDelimiter(';')


        String action = export ? "Exporting" : "Generating script to ${file.path}"
        String ds = argsMap.datasource ? "for DataSource '$argsMap.datasource'" : "for the default DataSource"
        println "$action in environment '${Environment.current.name}' $ds"

        EnumSet<TargetType> targetTypes
        if(stdout) {
            targetTypes = EnumSet.of(TargetType.SCRIPT, TargetType.STDOUT)
        }
        else {
            targetTypes = EnumSet.of(TargetType.SCRIPT)
        }

        schemaExport.execute(targetTypes, HibernateSchemaExport.Action.CREATE, metadata, serviceRegistry)

        if (schemaExport.exceptions) {
            def e = (Exception)schemaExport.exceptions[0]
            e.printStackTrace()
            return false
        }
        return true
    }