design-patterns

This project holds view design patterns in java that have the target to be generic and educational.

Here a some design patterns that this library holds:

builder
command
eventbus (new)
observer
state
strategy
visitor

License

The source code comes under the liberal MIT License, making design-patterns great for all types of applications.

Build status and latest maven version

Maven Central

builder
command
decorator
eventbus
observer
state
strategy
visitor

gradle dependency

You can first define the version and add than the following gradle dependency to your project build.gradle if you want to import the core functionality of all design-pattern:

define version in file gradle.properties

designPatternsVersion=6

or in build.gradle ext area

ext {
			...
    designPatternsVersion = "6"
			...
}

then add the dependency to the dependencies area


dependencies {
			...
    implementation("io.github.astrapi69:builder:$designPatternsVersion")
    implementation("io.github.astrapi69:command:$designPatternsVersion")
    implementation("io.github.astrapi69:decorator:$designPatternsVersion")
    implementation("io.github.astrapi69:eventbus:$designPatternsVersion")
    implementation("io.github.astrapi69:observer:$designPatternsVersion")
    implementation("io.github.astrapi69:state:$designPatternsVersion")
    implementation("io.github.astrapi69:strategy:$designPatternsVersion")
    implementation("io.github.astrapi69:visitor:$designPatternsVersion")
			...
}

Maven dependency

Maven dependency is now on sonatype. Check out sonatype repository for latest snapshots and releases.

Add the following maven dependencies to your project pom.xml if you want to import the core functionality:

You can first define the version properties:

<properties>
		...
	<!-- DESIGN-PATTERNS version -->
	<design-patterns.version>6</design-patterns.version>
	<builder.version>${design-patterns.version}</builder.version>
	<command.version>${design-patterns.version}</command.version>
	<decorator.version>${design-patterns.version}</decorator.version>
	<eventbus.version>${design-patterns.version}</eventbus.version>
	<observer.version>${design-patterns.version}</observer.version>
	<state.version>${design-patterns.version}</state.version>
	<strategy.version>${design-patterns.version}</strategy.version>
	<visitor.version>${design-patterns.version}</visitor.version>
		...
</properties>

Add the following maven dependency to your project pom.xml if you want to import the functionality of builder:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>builder</artifactId>
			<version>${builder.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of command:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>command</artifactId>
			<version>${command.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of decorator:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>decorator</artifactId>
			<version>${decorator.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of eventbus:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>eventbus</artifactId>
			<version>${eventbus.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of observer:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>observer</artifactId>
			<version>${observer.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of state:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>state</artifactId>
			<version>${state.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of strategy:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>strategy</artifactId>
			<version>${strategy.version}</version>
		</dependency>
		...
	</dependencies>

Add the following maven dependency to your project pom.xml if you want to import the functionality of visitor:

Than you can add the dependency to your dependencies:

	<dependencies>
		...
		<dependency>
			<groupId>io.github.astrapi69</groupId>
			<artifactId>visitor</artifactId>
			<version>${visitor.version}</version>
		</dependency>
		...
	</dependencies>

Want to Help and improve it?

The source code for design-patterns are on GitHub. Please feel free to fork and send pull requests!

Create your own fork of lightblueseas/design-patterns/fork

To share your changes, submit a pull request.

Don't forget to add new units tests on your changes.

Contacting the Developer

Do not hesitate to contact the design-patterns developers with your questions, concerns, comments, bug reports, or feature requests.

Feature requests, questions and bug reports can be reported at the issues page.

Note

No animals were harmed in the making of this library.

Donations

This project is kept as an open source product and relies on contributions to remain being developed. If you like this library, please consider a donation

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iluwatar/java-design-patterns Design patterns implemented in Java
OmarElGabry/DesignPatterns Examples of Design Patterns in Java