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ZK - Spring Boot

License

(Adapted from Dirk's amazing zk-spring-boot-starter - Thanks a lot for the input and ideas!)

Getting started

Configuration options (for Spring Boot style application.properties)

Defaults as in ZkProperties.java

zk.springboot-packaging=jar

zk.homepage=
zk.zul-view-resolver-enabled=true
zk.zul-view-resolver-prefix=
zk.zul-view-resolver-suffix=.zul

zk.richlet-filter-mapping=

zk.websockets-enabled=true
zk.servlet3-push-enabled=true
zk.update-uri=/zkau
property default example(s) description
zk.springboot-packaging jar war/jar package as jar or war file
zk.homepage null home/main when set will setup a @GetMapping for "/" to return the configured view-name
zk.zul-view-resolver-enabled true true/false enable/disable InternalViewResolver for zul files
zk.zul-view-resolver-prefix empty /zul prefix prepended to a view name (i.e. a folder inside the web resource package on the classpath)
zk.zul-view-resolver-suffix .zul .zul/.zhtml usually .zul does what you need
zk.richlet-filter-mapping null /richlets/* filter-mapping string as the basepath for richlets
zk.websockets-enabled=true true true/false enable/disable websockets (available in ZK-EE)
zk.servlet3-push-enabled=true true true/false enable/disable servlet3 CometServerPush (available in ZK-EE)
zk.update-uri /zkau /mypath configure servlet path for ZK's Update Engine (rarely used)
zk.resource-uri null /zkres configure/enable separate servlet path for ZK's Resource Engine (since ZK 9.5.0)

zk.homepage

Shortcut configuration to enable a Spring MVC Controller with a @GetMapping for the root path '/' returning the configured view name. (disabled by default). The default zul-view-resolver config will prepend the the servlet mapping for ZK's update engine (default /zkau) and append the .zul-extension to locate the zul file in your application.

zk.zul-view-resolver-*

Defines a simple InternalViewResolver resolving view names to zul files inside the class-web package (not required but still possible for war packaging)

The defaults above have the following effect, given the get mapping:

	@GetMapping("/demo")
	public String demo() {
		return "views/demo";
	}

Resolves to /zkau/web/views/demo.zul ZK's UpdateServlet will locate the file on the classpath e.g. in src/main/resources/web/views/demo.zul A configured prefix e.g. /myprefix will be inserted before the view name: /zkau/web[/myprefix]/views/demo.zul

zk.richlet-filter-mapping

Enables ZK's RichletFilter. The value has to be a servlet filter mapping such as: /richlet/* Requires additional richlet-mappings configured in zk.xml.

zk.resource-uri

Registers and enables ZK's Resource Engine. When packging as war file this will also set the necessary init-parameter for the ZK Loader Servlet

Using springboot-devtools (restart)

When using the restart feature of spring-boot-devtools make sure to include the ZK jars in the restart process by customizing the Restart Classloader.

Create a file on the classpath:

src/main/resources/META-INF/spring-devtools.properties

restart.include.zklibs=/z[\\w]+-[\\w\\d-\.]+\.jar

This regex will match all jar files matching the expression e.g. zk-9.5.1.jar or zul-9.5.1.jar etc.

Reload zul change

add spring.profiles.active=dev in application.properties. After modifying a zul, re-build it, then your browser can load the latest zul. See Triggering a restart

Debug Spring Boot Application

Because a breakpoint doesn't stop when running with Maven springboot:run, you can run an application with @SpringBootApplication class as a Java application in debug mode.

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