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gradle-archetype-plugin

Maven archetype like plugin for Gradle. Generating projects from local template.

Install

https://plugins.gradle.org/plugin/com.orctom.archetype

Tasks

cleanArchetype: cleans the generated folders and files.
generate: generates projects from the template.

Interactive Mode:

gradle cleanArch generate -i

Batch Mode:

gradle cleanArch generate -i -Dtarget=generated -Dgroup=com.xxx.yyy -Dname=dummy-service -Dversion=1.0-SNAPSHOT

Parameters

Prompted

Following parameters will be asked, if not available in system properties

Param	Description	Default
group	group name in Gradle or Maven, Mandatory
name	name in Gradle, of artifactId in Maven, Mandatory
version	version in Gradle or Maven, Mandatory	1.0-SNAPSHOT

Won't Be Prompted

Following parameters will NOT be prompted, if not available in system properties.

Param	Description	Default
templates	The folder path where template locates, Mandatory	`src/main/resources/templates`
failIfFileExist	Fail if there are files with the same name exist in the `generated` folder; otherwise overwrite	`true`

System Properties

Parameters will firstly been searched in System Properties, which includes:

gradle.properties: systemProp.param1=value1
settings.properties: systemProp.param1=value1
~/.gradle/gradle.properties (not suggested for this plugin)
Command line: -Dparam1=value1 -Dparam2=value2 -Dparam3=value3

Variables:

Variables that can be used in template files.

name	description	sample
group	project.group	com.xxx.yyy
name	project.name	dummy-app
version	project.version	1.0-SNAPSHOT
projectName	project.name	dummy-app
namePackage	replaced non-characters with '.' in name	dummy.app
namePath	replaced non-characters with '/' in name	dummy/app
groupPath	replaced '.' with '/' in group	com/xxx/yyy
packageName	(group + name) replaced non-characters with '.'	com.xxx.yyy.dummy.app
packagePath	replaced '.' with '/' in packageName	com/xxx/yyy/dummy/app

Adding Custom variables

Extra variables can be added via command line or programmatically with the com.orctom.gradle.archetype.binding prefix.

Command line :

-Dparam1=value1 -Dparam2=value2 -Dparam3=value3 ...

Property prefix :

System.setProperty('com.orctom.gradle.archetype.binding.param1', value1)

Prompt for custom variables

Extra variables (bindings) can be prompted if missing, just like group or name.

Provide bindingsToPrompt map where key is binding name and value is default value for variable. If none default should be available, just put empty String

Example:

generate {
   bindingsToPrompt = ["apiVersion" : "1", "createdBy" : ""]
}

Programmatic Customization of Bindings

Often, additional variables (bindings) need to be created based on the values of existing variables after they have been resolved (e.g., when they are entered in interactive mode), but prior to the start of the actual generation process.

The generate task can be configured with a processor that is called just prior to the actual file generation, but after all other variables have been resolved. The processor is just a closure that accepts a single argument, the current binding configuration as a Map. The processor is specified by setting the bindingProcessor property of the generate task.

For example:

generate {
    bindingProcessor = { bindings ->
        bindings.capitalizedName = bindings.name.capitalize()
    }
}

Token Format

In code: @variable@
In file name: __variable__

Additional GString expressions can be defined between the @ and __ tokens :

@variable.capitalize()@
__new Date()__

See GStringTemplateEngine

Generated Project(s) Folder

Fixed to: generated.

Non-templates:

Files that will not be resoled by variables, as they would fail if tried to resolve. Put the non-template lists to .nontemplates file, and put the file to template folder (such as src/main/resources/templates) or src/main/resources/.

Sample:

# comments
**/*.jar
**/*.bat
**/*.sh
**/*.zip
**/*.gz
**/*.xz
**/*.tar
**/*.7z

gradle/
.gradle/
gradlew
gradlew.bat

It follows ant style. The tailing slash for directory is mandatory.

Sample

https://github.com/orctom/gradle-archetype-plugin/tree/master/src/test/resources/sample

Known Issues

Doesn't work with property files that have such escapes: key=https\://aaa.bbb.ccc/xxx, remove the \ escape to have it work.
In interactive mode, the prompt text got truncated sometimes.

Change Logs

2.0.0

#41 Plugin does not work with Gradle 7.x

1.4.8

#29 Add custom variable prompting functionality

1.4.6.3

Fixed issue #19 blank lines and comments support in .nontemplate

1.4.5

Fixed issue #17

1.4.4

Fixed issue #16 (introduced in 1.4.3)

1.4.3

Fixed issue for windows.#15

1.4.2

Added escape for @.#14

1.4.1

Adding ability to programmatically add bindings. #12
Do not override properties if already defined. #13

1.4

Renamed clean task to cleanArchetype, as "Declaring custom check, clean, build or assemble tasks is not allowed anymore when using the lifecycle plugin." (https://docs.gradle.org/3.0/release-notes)
Allowing full GString expressions to be passed on to parser

1.3.1.1

Fixed issue in 1.3.1, packagePath and namePath not working as expected.

1.3.1

Added variables: namePackage and namePath (NOTICE: do NOT use this buggy version).

1.3

The target folder where the generated project(s) locates is not changeable, fixed to generated.
The generation will fail by default, if there are files with the same name exist in the generated folder.
Added clean task that will have generated folder recreated.
Changed print and println to logger, so please append -i args to have the log printed out.

kulasekp/gradle-archetype-plugin