Maven Setup

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DocumentationZK Installation GuideMaven Setup
Maven Setup



How to Use ZK Maven Repository

This chapter describes how to use the Maven repository hosted by ZK. (We assume you have known Maven) Here introduces you with a simple example of using ZK maven repository in your maven build environment.

Add ZK Maven repository to your pom.xml file

By default, while resolving project dependencies Maven will only look into Maven central repository [1]. In order to use ZK Maven repository add the following <repositories> element into pom.xml under the root <project> element. 

 <repositories>
    <repository>
      <id>ZK CE</id>
      <name>ZK CE Repository</name>
      <url>https://mavensync.zkoss.org/maven2</url>
    </repository>
  </repositories>

Note that ZK Maven repository URL is https://mavensync.zkoss.org/maven2.

Adding ZK library dependencies

Depending upon your project requirements your project might depend on different ZK edition. You can declare these dependencies in the pom.xml file, and Maven can resolve them by automatically connecting to ZK Maven repository. Here is how you can declare a dependency for the main ZK library and zul library for your project.

EE

<dependency>
	<groupId>org.zkoss.zk</groupId>
	<artifactId>zkmax</artifactId>
	<version>${zk.version}</version>
</dependency>

PE

<dependency>
	<groupId>org.zkoss.zk</groupId>
	<artifactId>zkex</artifactId>
	<version>${zk.version}</version>
</dependency>

CE

<dependency>
	<groupId>org.zkoss.zk</groupId>
	<artifactId>zul</artifactId>
	<version>${zk.version}</version>
</dependency>

Optional

<dependency>
	<groupId>org.zkoss.zk</groupId>
	<artifactId>zkplus</artifactId>
	<version>${zk.version}</version>
</dependency>
<dependency>
	<groupId>org.zkoss.zk</groupId>
	<artifactId>zhtml</artifactId>
	<version>${zk.version}</version>
</dependency>

For Maven to successfully resolve these dependencies groupid and artifactid must match with those published on ZK Maven repository as they constitute what is known as Maven repository coordinates. For a complete list of all ZK library groupid and artifactid combinations please take a look at a sample pom.xml file that lists dependencies for all publically available ZK libraries on ZK Maven repository.

Sample of pom.xml

Here is a sample pom.xml for a simple Java project that uses the ZK maven repository. 

<?xml version="1.0" encoding="UTF-8"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"   
xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <groupId>zk.app</groupId>
  <artifactId>MyZKMavenApp</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <repositories>
    <repository>
      <id>ZK CE</id>
      <name>ZK CE Repository</name>
      <url>https://mavensync.zkoss.org/maven2</url>
    </repository>
    <repository>
      <id>ZK EVAL</id>
      <name>ZK Evaluation Repository</name>
      <url>https://mavensync.zkoss.org/eval</url>
    </repository>
  </repositories>
  <dependencies>
....
  </dependencies>
</project>


Required Dependencies

The following are required dependencies you need to include one of them in your pom.xml according to which ZK edition you use.

ZK CE

<dependencies>
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zul</artifactId>
      <version>${zk.version}</version>
    </dependency>
</dependencies>

ZK PE

<dependencies>
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zkex</artifactId>
      <version>${zk.version}</version>
    </dependency>
</dependencies>

ZK EE

<dependencies>
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zkmax</artifactId>
      <version>${zk.version}</version>
    </dependency>
</dependencies>

Optional Dependencies

The following dependencies are optional and available for all editions. You can include them according to your needs. 

<dependencies>
<!-- It's available since ZK 8. If you want to use shadow component/template injection, include this -->
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zuti</artifactId> 
      <version>${zk.version}</version>
    </dependency>
<!-- If you want to use data binding, include this -->
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zkbind</artifactId>
      <version>${zk.version}</version>
    </dependency>
<!-- If you want to use zk xhtml component set, include this -->
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zhtml</artifactId>
      <version>${zk.version}</version>
    </dependency>
<!-- If you want to use third party framework e.g. hibernate, spring, you can include this -->
    <dependency>
      <groupId>org.zkoss.zk</groupId>
      <artifactId>zkplus</artifactId>
      <version>${zk.version}</version>
    </dependency>
</dependencies>

Check Available ZK Version

Please visit each edition's corresponding ZK Maven repository with a browser to check the available ZK versions. As of Oct. 2023, the latest version is 10.0.0-Beta.

Choose Right Maven Repository

ZK has three editions: CE, PE and EE. They are hosted in different Maven repository. I will guide you through how to choose the right edition and set up the right ZK Maven repository.

Steps for choosing the right edition

Here are the steps for choosing the right edition of ZK:

Decide which edition to use:

  • There are three editions of ZK: CE, PE and EE
  • For more information, please refer to description about ZK Editions and the following section that summarizes the jar files.


Summary of JAR files

There're something you need to know about ZK's edition and package(s).

CE PE EE Description
zk.jar V V V ZK core functions, such as ZK Loader and Update Engine.
zul.jar V V V ZK XUL components (http://www.zkoss.org/2005/zul)
zhtml.jar V V V ZK XHTML components (http://www.w3c.org/1999/xhtml)
zcommon.jar V V V The common library that ZK depends on
zcommons-el.jar V V V ZK EL expressions (renamed as zel.jar since 6.0)
zel.jar V V V ZK EL expressions (since 6.0)
zkbind.jar V V V data binding, required when developing with MVVM
zweb.jar V V V The Web library that ZK depends on
zkplus.jar V V V ZK extra utilities integrated easily with other frameworks.
zkex.jar V V ZK additional components and features for PE
zkmax.jar V ZK additional components and features for EE
zuti.jar V shadow components for EE
zml.jar V
(only ZK 3) 		V V ZK XML components for generating XML output

This will be helpful when you modify your dependencies of projects.

Add ZK Maven Repository to Your Projects

According to which ZK edition you use and add the corresponding repository to your project's pom.xml.

CE (Freely avaialable under LGPL)

 <repositories>
    <repository>
      <id>ZK CE</id>
      <url>https://mavensync.zkoss.org/maven2</url>
    </repository>
  </repositories>

PE-eval / EE-eval (60-days free evaluation)

 <repositories>
    <repository>
      <id>ZK PE/EE Evaluation</id>
      <url>https://mavensync.zkoss.org/eval/</url>
    </repository>
  </repositories>
  • Note: Version number appending with -Eval has released since Jul. 18 2014. If you use it, please specify version to *-Eval for all of ZK dependencies. For example:
<dependency>
    <groupId>org.zkoss.zk</groupId>
    <artifactId>zk</artifactId>
    <version>8.5.0-Eval</version>
</dependency>

PE / EE (premium users only)

If you are our customer or ZOL licensed user you can contact info@zkoss.org to apply for a premium maven account to use ZK PE/EE (or any other licensed ZK product) maven repository. 

 <repositories>
    <repository>
      <id>ZK EE</id>
      <url>https://maven.zkoss.org/repo/zk/ee</url>
    </repository>
  </repositories>

Login authentication

Licensed Professional and Enterprise customers will be given a set of user names and password upon your request. According to the official doc of Apache Maven, users can create global settings for maven.

  • Location (if not-existed, you can create it manually)
    • The Maven install: $M2_HOME/conf/settings.xml
    • A user's install: ${user.home}/.m2/settings.xml
  • Servers Element
  • If you add ZK PE or ZK EE as your repository, you need to add login authentication like following example
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
 		http://maven.apache.org/xsd/settings-1.0.0.xsd">
	<servers>
		<server>
			<id>ZK EE</id><!-- Same as your repository name -->
			<!-- Your premium user name and password -->
			<username>ryanwu</username> 
			<password>2k055ecret</password> 
		</server>
	</servers>
</settings>

Sample of pom.xml for licensed Professional Package

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>zkpe</groupId>
	<artifactId>sample</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<properties>
		<!-- please check available version in the repository and specify it -->
		<zk.version>9.1.0</zk.version>
	</properties>
	<packaging>war</packaging>
	<name>The sample Project</name>
	<description>The sample Project</description>
	<repositories>
		<repository>
			<id>ZK CE</id>
			<name>ZK CE Repository</name>
			<url>https://mavensync.zkoss.org/maven2</url>
		</repository>
		<repository>
		    <id>ZK EE</id>
		    <url>https://maven.zkoss.org/repo/zk/ee</url>
		</repository>
	</repositories>
	<dependencies>
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zkex</artifactId>
			<version>${zk.version}</version>
		</dependency>
	</dependencies>
</project>

Sample of pom.xml for licensed Enterprise Package

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>zkee</groupId>
	<artifactId>sample</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<properties>
		<!-- please check available version in the repository and specify it -->
		<zk.version>9.1.0</zk.version>
		<zkspring.version>3.2.0</zkspring.version>
		<zats.version>2.0.0</zats.version>
		<zkjsp.version>2.6.0</zkjsp.version>
		<zkcalendar.version>2.1.5</zkcalendar.version>
		<zkgmap.version>3.0.4</zkgmap.version>
	</properties>
	<packaging>war</packaging>
	<name>The sample Project</name>
	<description>The sample Project</description>
	<repositories>
		<repository>
			<id>ZK CE</id>
			<name>ZK CE Repository</name>
			<url>https://mavensync.zkoss.org/maven2</url>
		</repository>
		<repository>
			<id>ZK EE</id>
			<url>https://maven.zkoss.org/repo/zk/ee</url>
		</repository>
	</repositories>
	<dependencies>
		<!-- ZK EE -->
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zkmax</artifactId>
			<version>${zk.version}</version>
		</dependency>

		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zkplus</artifactId>
			<version>${zk.version}</version>
		</dependency>
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zhtml</artifactId>
			<version>${zk.version}</version>
		</dependency>
	        <!-- available since ZK 8 -->
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zuti</artifactId> 
			<version>${zk.version}</version>
		</dependency>


		<!-- ZK Spring -->
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zkspring-core</artifactId>
			<version>${zkspring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zkspring-security</artifactId>
			<version>${zkspring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zkspring-webflow</artifactId>
			<version>${zkspring.version}</version>
		</dependency>

		<!-- ZK JSP -->
		<dependency>
			<groupId>org.zkoss.zk</groupId>
			<artifactId>zuljsp</artifactId>
			<version>${zkjsp.version}</version>
		</dependency>

		<!-- ZK Calendar -->
		<dependency>
			<groupId>org.zkoss.calendar</groupId>
			<artifactId>calendar</artifactId>
			<version>${zkcalendar.version}</version>
		</dependency>

		<!-- ZK Google Maps -->
		<dependency>
			<groupId>org.zkoss.zkforge</groupId>
			<artifactId>gmapsz</artifactId>
			<version>${zkgmap.version}</version>
		</dependency>

		<!-- ZK additional Theme/s more themes -> https://maven.zkoss.org/repo/zk/ee/org/zkoss/theme/ -->
		<dependency>
			<groupId>org.zkoss.theme</groupId>
			<artifactId>breeze</artifactId>
			<version>${zk.version}</version>
		</dependency>
		<dependency>
			<groupId>org.zkoss.theme</groupId>
			<artifactId>deepsea</artifactId>
			<version>${zk.version}</version>
		</dependency>
 
		<!-- or add the whole theme pack
		<dependency>
			<groupId>org.zkoss.theme</groupId>
			<artifactId>theme-pack</artifactId>
			<version>${zk.version}</version>
		</dependency>
		 -->
		<!-- ZATS Mimic -->
		<dependency>
			<groupId>org.zkoss.zats</groupId>
			<artifactId>zats-mimic-ext7</artifactId>
			<version>${zats.version}</version>
			<scope>test</scope>
		</dependency>
	</dependencies>
</project>

Trouble Shooting

If you have problems switching from the evaluation repository to the licensed one, please check the followings:

Purge local repository evaluation cache

1. Add purge-local-repository plugin in pom.xml 

	<build>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-dependency-plugin</artifactId>
				<version>2.6</version>
				<executions>
					<execution>
						<id>purge-local-dependencies</id>
						<phase>clean</phase>
						<goals>
							<goal>purge-local-repository</goal>
						</goals>
						<configuration>
							<manualIncludes>
								<manualInclude>org.zkoss.zk:zkex</manualInclude>
								<manualInclude>org.zkoss.zk:zkmax</manualInclude>
							</manualIncludes>
						</configuration>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>
  • line 16: ZK PE
  • line 17: ZK EE


2. Invoke maven clean to delete local zkex & zkmax repository 

mvn clean

BOM

ZK provides a "bill of materials" (BOM) which can be used by your projects simplify a pom.xml. You can use it as a parent POM or import it like: 

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.zkoss.zk</groupId>
				<artifactId>zk-bom</artifactId>
				<version>9.0.1-Eval</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

For a complete example, you can reference pom.xml of this project. You can also read a spring boot document to understand BOM usage.

Version History

Last Update : 2023/10/19


Version Date Content
N/A July 2014 Self-signed certificate related section removed as EE maven repository is certified since Feb. 2014



Last Update : 2023/10/19

Copyright © Potix Corporation. This article is licensed under GNU Free Documentation License.


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