Nexus Plugin

Definition of Nexus Plugin

• The nexus plugin is a function to configure supporting files and dependencies in the artifact format of the files.
• The plugin is an extension to allow proxy and dependencies using artifacts for component behavior, new tasks, and advanced functionality.
• The plugin is a function to manage a repository such as JAVA, Docker, and npm.
• The plugin is a tool used for integration and pipelines of configuration, retrieves version applications, and collects dependencies.
• The plugin is part of the repository manager to collect the jar files into artifact format and works on the program.
• The plugin is part of the application system to modify the application platform but does not display the program.
• The plugin collects several dependencies as per version, technology, and application requirement to the support application program.
• The plugin is backend support of the program for staging rules, interface components, repository format, and modification of the application.

Nexus plugins

• It uses multiple types of plugin for repository and backend architecture.
• You can use plugins from open source or vendor’s community.
• The plugins are categorized into mainly two types. This plugin is based on the application and user requirements.

1. Managing nexus plugin
2. Developing nexus plugin

• The plugin configures default or advanced configuration.
• The managing plugin is the default plugin for the repository.
• The developing plugin is a customized repository plugin.
• The plugins add in the pom.xml file. This file configures with method and object using the import keyword.

Managing nexus plugin

• The managing plugin supports default configuration. The default repository and configuration enable automatically.
• The plugin manages using the following repository.

$NEXUS_HOME/ nexus / WEB-INF/ plugin-repository.

• Some plugins enable, disable, access, and configure the capabilities of the files.
• You can install plugin code in the “sonatype-work/ nexus/ plugin-repository” repository. This file extracted from the zip file.
• You can delete, restart and manage the repository of the managing plugin.
• The basic plugin requires the following repository files.

<parent>
<groupId> org.sonatype.nexus.plugins </groupId>
<artifactId> nexus-plugins </artifactId>
</parent>

Developing nexus plugin

• The developing plugin customizes the repository manager and adds files in the artifact format.
• You can write your own plugin to implement language and apache maven as a system.
• The managing plugin development needs the following URL.

https://repository.sonatype.org/content/groups/sonatype-public-grid/

• The repository manager OSS plugins are set up in pom.xml file.
• This plugin inherits from the parent repository.

Nexus plugins of parent repository

<parent>
<groupId> org.sonatype.nexus.plugins </groupId>
<artifactId> nexus-plugins </artifactId>
<version> 2.12.1 - 01 </version>
</parent>

• The groupId is required for the plugin id and source.
• The artifact contains the name of the plugin.
• The version contains the required or advanced version of the plugin.
• This plugin contains the “nexus-plugins” in the artifact tag.

Plugin package

<groupId> com.myorganization.nexus.plugins </groupId>
<artifactId> nexus-plugins </artifactId>
<version> 1.0 - SNAPSHOT </version>
<build>
<plugins>
<plugin>
<groupId> org.sonatype.nexus </groupId>
<artifactId> nexus-plugin-bundle-maven-plugin </artifactId>
<extension> true </extension>
</plugin>
</plugins>
</build>

• The plugin requires the above packages for the plugin metadata.
• You can add multiple plugins in the <plugins> tag.
• If the plugin is enabled then the extension becomes true.
• This plugin contains the “nexus-plugin-bundle-maven-plugin” in the artifactId tag.
• This plugin contains the “nexus-plugins” in the artifactId tag.
• You can add the maven plugin to manage the repository of the class and resource.

Plugin API and Testsupport

<dependencies>
<dependency>
<groupId> org.sonatype.nexus </groupId>
<artifactId> nexus-plugin-api </artifactId>
<scope> provided </scope>
</dependency>
<dependency>
<groupId> org.sonatype.nexus </groupId>
<artifactId> nexus-plugin-testsupport </artifactId>
<scope> test </scope>
</dependency>
</dependencies>

• The plugin contains several dependencies in the pom.xml file.
• Here, you can add testsupport plugin and API plugin simultaneously.
• This dependency contains in the <dependencies> tag.
• This plugin contains the “nexus plugin API” in the artifactId tag.
• This plugin contains the “nexus plugin testsupport” in the artifactId tag.
• This plugin adds the parent plugin and dependencies to set up project functionality.
• This repository uses in the managing plugin and maintains different plugins and configuration files.

Siesta plugin dependency

<dependency>
<groupId> org.sonatype.nexus.plugins </groupId>
<artifactId> nexus-siesta-plugin </artifactId>
<type> nexus-plugin </type>
<scope> provided </scope>
</dependency>

• This nexus plugin contains the “nexus siesta plugin” in the artifactId tag.
• The “type” tag provides the sonatype plugin.
• The scope must include the “provided” for framework configuration.

Connection plugin

Import {connectionPlugin, makeSchema } from "nexus"
Const schemas = makeSchema({ plugins: [ connectionPlugin(), ] })

• This plugin is providing method, connection, and object for customizing the plugin.
• The “connectionPlugin” and “makeSchema” are required for the plugin.

Authorize plugin

Import {fieldAuthorizePlugin, makeSchema } from "nexus"
Const schemas = makeSchema({ plugins: [fieldAuthorizePlugin (), ] })

• This plugin is providing method, connection, and object for customizing the plugin.
• The ” fieldAuthorizePlugin” and “makeSchema” are required for the plugin.

Nullability plugin

Import {nullabilityGuardPlugin } from "nexus"
Const schemas = nullabilityGuardPlugin ({[ write configuration here… ] })

• This plugin is providing a method, connection, and object for customizing the plugin.
• This function determines non-null data or values in the application.
• The ” nullabilityGuardPlugin ” is required for the plugin.

Authorize plugin

Import {queryComplexityPlugin, makeSchema } from "nexus"
Const schemas = makeSchema({ plugins: [queryComplexityPlugin (), ] })

• This plugin is providing method, connection, and object for customizing the plugin.
• The “queryComplexityPlugin” and “makeSchema” are required for the plugin.

The above plugins and their configurations create multiple functions and operate the method of the function.

Conclusion – Nexus Plugin

• The plugin creates applications fast, simple, and lightweight.
• The plugin is easy for coders and developers with easy configuration and sets dependencies.
• The plugin minimizes backend environmental jar files and set files in artifact format.
• The plugin maintains functionality and repository and works application user-friendly.

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