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https://github.com/forge/core
Forge Core Framework APIs and Implementation
https://github.com/forge/core
ide java javaee jboss productivity productivity-booster
Last synced: 16 days ago
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Forge Core Framework APIs and Implementation
- Host: GitHub
- URL: https://github.com/forge/core
- Owner: forge
- License: epl-1.0
- Created: 2011-04-25T17:55:40.000Z (over 13 years ago)
- Default Branch: master
- Last Pushed: 2023-03-12T00:47:35.000Z (over 1 year ago)
- Last Synced: 2024-10-13T15:41:30.852Z (about 1 month ago)
- Topics: ide, java, javaee, jboss, productivity, productivity-booster
- Language: Java
- Homepage: http://forge.jboss.org/
- Size: 34.9 MB
- Stars: 199
- Watchers: 24
- Forks: 162
- Open Issues: 3
-
Metadata Files:
- Readme: README.asciidoc
- Contributing: CONTRIBUTING.asciidoc
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
README
image::http://design.jboss.org/jbossforge/logo/final/jbossforge_logo_600px.png[]
The fastest way to build applications, share your software, and enjoy doing it.
image:https://github.com/forge/core/workflows/GitHub%20CI/badge.svg["Actions Status", link="https://github.com/forge/core/actions"]
image:https://img.shields.io/github/license/forge/core.svg["License", link="https://www.eclipse.org/legal/epl-v10.html"]
image:https://maven-badges.herokuapp.com/maven-central/org.jboss.forge/forge-distribution/badge.svg["Maven Central", link="https://maven-badges.herokuapp.com/maven-central/org.jboss.forge/forge-distribution"]
image:https://kiwiirc.com/buttons/irc.freenode.net/forge.png["Visit our IRC channel", link="https://kiwiirc.com/client/irc.freenode.net/#forge"]
What's new and noteworthy?
--------------------------
- *JDK 11*: Forge 3 now runs on JDK 11 as its minimum requirement. Hello lambdas!
- *Unix-like option names*: The shell option names are now more unix-like: Eg: `--targetPackage` is now `--target-package`.
== Download Forge 3:
JBoss Forge is packaged inside your favorite IDE plugin and also as a standalone ZIP file. They are independent of each other.
- Eclipse - http://tools.jboss.org/
- IntelliJ IDEA - http://plugins.jetbrains.com/plugin/7515
- NetBeans - http://plugins.netbeans.org/plugin/57296/
- Command line tools
=== Get Started with the Command line tools:
Getting started with the command line tools is easy:
* Download a distribution
.. Download link:https://oss.sonatype.org/service/local/artifact/maven/redirect?r=releases&g=org.jboss.forge&a=forge-distribution&v=LATEST&e=zip&c=offline[JBoss Forge - Offline (Recommended)]
... This ZIP contains the Forge runtime + Core Addons
.. Download link:https://oss.sonatype.org/service/local/artifact/maven/redirect?r=releases&g=org.jboss.forge&a=forge-distribution&v=LATEST&e=zip[JBoss Forge - No Addons]
... This ZIP contains the Forge runtime only
* Extract the ZIP to a directory and navigate to forge-distribution-VERSION/bin directory
* Execute forge by running
[source,cmd]
----
forge
----
Forge is now ready to go.
==== Install addons (not needed if using the offline zip)
Install the required addons by running the following commands:
[source,cmd]
----
forge --install groupId:artifactId,version
----
- Forge will install the required dependencies for each addon.
IMPORTANT: Make sure your *settings.xml* is properly configured to use the Maven central repository or, if you wish to use a SNAPSHOT version from a core addon, the JBoss Nexus Repository, otherwise the installation will fail.
Instructions on how to setup your *settings.xml* can be found on https://community.jboss.org/wiki/MavenGettingStarted-Developers
If you wish to install the core addons including the shell, "Project: New", the "Java EE" commands, and all other provided functionality, you should run the following command:
[source,cmd]
----
forge --install core
----
If you only wish to install the Forge 2 Shell based on link:http://aeshell.github.io/[Aesh], run the following command instead:
[source,cmd]
----
forge --install shell
----
If you wish to remove any addon, you can use the following command:
[source,cmd]
----
forge --remove groupId:artifactId,version
----
== Get Started with the Eclipse Plugin:
____
Forge 3 is known to work with Eclipse Mars (Eclipse 4.5) or higher versions. Older versions of Eclipse are not supported.
____
- Install the **JBoss Tools Usage Reporting** plugin, available in http://download.jboss.org/jbosstools/updates/development/mars/ and restart Eclipse
- Install the Forge Eclipse Plugin from http://download.jboss.org/jbosstools/mars/snapshots/updates// and restart Eclipse
This plugin starts the Forge Container and your installed addons, so you can use them directly in your workspace
- Press Ctrl + 4 to show the installed addons that you may interact with (these addons use the UI addon, hence providing a user interface - see Developing an UI Addon for more details).
== Available addons
[options="header"]
|===
|Addon name |Included in Eclipse Plugin ?
|link:addon-manager/README.asciidoc[Addon Manager]
|yes
|link:addons/README.asciidoc[Addons]
|yes
|link:configuration/README.asciidoc[Configuration]
|yes
|link:convert/README.asciidoc[Convert]
|yes
|link:dependencies/README.asciidoc[Dependencies]
|yes
|link:dev-tools-java/README.asciidoc[Dev Tools - Java]
|yes
|link:environment/README.asciidoc[Environment]
|yes
|link:facets/README.asciidoc[Facets]
|yes
|link:git/README.asciidoc[Git]
|yes
|link:javaee/README.asciidoc[Java EE]
|yes
|link:maven/README.asciidoc[Maven]
|yes
|link:parser-java/README.asciidoc[Parser Java]
|yes
|link:parser-json/README.asciidoc[Parser Json]
|yes
|link:parser-xml/README.asciidoc[Parser XML]
|yes
|link:projects/README.asciidoc[Projects]
|yes
|link:resources/README.asciidoc[Resources]
|yes
|link:scaffold/README.asciidoc[Scaffold]
|yes
|link:shell/README.asciidoc[Shell]
|yes
|link:templates/README.asciidoc[Templates]
|yes
|link:text/README.asciidoc[Text]
|yes
|link:ui/README.asciidoc[User Interface (UI)]
|yes
|===
== Developing an Addon
Forge addons are simple Maven projects with a special classifier "forge-addon". This classifier is used while installing an addon so the Furnace container can calculate its dependencies, freeing you from http://robjsoftware.org/2007/07/13/classloader-hell/[Classloader hell].
One of the most important things to know about developing a Forge addon, is that the Furnace runtime container (the core of Forge),
is actually an embeddable, modular Java container. This means that each addon has its own `ClassLoader` and that
addons share classes from each other, in addition to supplying their own local classes. Furnace builds a graph of
addon dependencies at runtime, and automatically calculates which addons should see classes from other addons.
For now, however, just treat your first addon as if it were any other Java project. The differences between a "modular" and
"traditional" environment are not as great as you might think, and the Furnace development model has been created in
a way that should make these differences seem natural, almost transparent.
=== Create a Maven project
Forge Addons must be JARs published with a 'forge-addon' classifier. Add this plugin configuration to your pom.xml:
[source,xml]
----
org.apache.maven.plugins
maven-jar-plugin
create-forge-addon
package
jar
false
forge-addon
----
In order to use CDI and services from other addons in your addon, you'll need to reference the Furnace CDI container addon as a dependency your _pom.xml_ file:
[source,xml]
----
org.jboss.forge.furnace.container
cdi
forge-addon
provided
----
CAUTION: Addon dependencies *MUST* be declared in the Maven pom.xml that produces your `forge-addon` classified artifact; otherwise, Furnace will *NOT* use this dependency as a `forge-addon`. Instead, addon dependencies declared via transitive dependencies will be included as local JAR files and re-bundled with your addon. More than likely, re-bundling a `forge-addon` in your Addon is *NOT* what you want.
Your complete POM should now look something like this:
[source,xml]
----
4.0.0
com.example
example
1.0.0-SNAPSHOT
My First Addon
3.5.1.Final
org.jboss.forge
forge-bom
${version.forge}
pom
import
org.jboss.forge.furnace.container
cdi
forge-addon
provided
org.apache.maven.plugins
maven-jar-plugin
create-forge-addon
package
jar
false
forge-addon
----
=== Add behavior to your addon
A service is implemented as a POJO (Plain Old Java Object):
[source,java]
----
public class ExampleServiceImpl
{
public String doSomething() {
// Do stuff...
}
}
----
However, best practices favor creating a service interface, otherwise consumers will be required to request your specific service implementation. For example:
[source,java]
----
public interface ExampleService
{
public String doSomething();
}
----
Then simply implement the service interface:
[source,java]
----
public class ExampleServiceImpl implements ExampleService
{
public String doSomething() {
// Do stuff...
}
}
----
=== Re-use functionality from other addons:
Forge has a modular architecture that enables you to re-use functionality from other addons, directly in your own addon code. In order to achieve this, you must add addon-dependencies in your `pom.xml` file.
[source,xml]
----
...
org.jboss.forge.addon
resources
forge-addon
provided
org.jboss.forge.addon
ui
forge-addon
provided
org.jboss.forge.furnace.container
cdi
forge-addon
provided
...
----
==== What scope should my addon dependencies be?
There is a simple rule that will make this an easy decision:
____
"``compile`` if everyone knows, `provided` if I know, `runtime` if nobody knows."
____
To explain, if you never publicly expose types (classes, interfaces, etc...) from another addon in the outward-facing APIs of your addon, then you should include
that addon as `provided` scope. If you do, however, expose classes from that addon in the public APIs of your code,
then that addon should be labeled as `compile` scope (default,) which means that this dependency will be *'exported'*
to consumers that depend on your addon.
Addon dependencies may also be made `optional` if consumers of your addon should be able to choose whether or not
certain functionality is enabled, or if your addon behaves differently when other addons are already deployed to the
container.
The following chart explains this in detail. Assume that our addon depends on the `resources` addon, which provides
the `ResourceFactory` and `FileResource` classes:
[cols="1a,2,3", options="header"]
|===
|Example |Scope should be |Explanation
|
The `Resource>` and `ResourceFactory` types are provided by the `resources` addon. Your addon defines `InternalExample`.
[source,java]
----
public class InternalExample {
@Inject private ResourceFactory factory;
public void doSomething(File file) {
Resource> r = factory.create(file);
System.out.println("New resource: " + r)a
}
}
----
|`provided`
|Consumers of your addon never see classes or interfaces from the resources addon; it is only used internally as an
implementation detail and is not exposed in your public API.
*Your addon should depend on the resources addon at `provided` scope.*
|
The `Resource>` and `ResourceFactory` types are provided by the `resources` addon. Your addon defines `ExposedExample`.
[source,java]
----
public class ExposedExample {
@Inject private ResourceFactory factory;
public Resource> doSomething(File file) {
Resource> r = factory.create(file);
return r;
}
}
----
|`compile`
|Consumers of your addon require classes from the `resources` addon to interact with your code, since it has been referenced in the your addon's public API.
*Your addon should depend on the resources addon at `compile` scope.*
|
The type `LockCreator` is defined by addon X.
[source,java]
----
public class LockCreator {
public void createFile(
@Observes PostStartup event)
{
File lock = new File("lockfile");
lock.createNewFile();
}
}
----
Your addon defines `LockConsumer`, which requires that a file "lockfile" be available when it runs. This file is created by addon X.
[source,java]
----
public class LockConsumer {
public void deleteLock() {
File lock = new File("lockfile");
Assert.assertTrue(lock.exists());
}
}
----
|`runtime`
|Your addon makes assumptions about the runtime environment that are satisfied by the presence of addon X, but your addon does not depend on or expose types from addon X in its APIs.
*Your addon should include addon X at `runtime` scope.*
|
The type `Logger` is defined by addon X, but addon X does not include an implementation of its own logging interface.
[source,java]
----
public interface Logger {
public void log(String message)
}
----
Your addon defines `LoggerConsumer`, which depends on addon X in order to use `Logger`, but requires that another addon (addon Y) actually provide an logging implementation.
[source,java]
----
public class LoggerConsumer {
@Inject private Imported loggers;
public void logEverything() {
for( Logger log : loggers {
log.log("Log for you!");
}
}
}
----
|`provided` / `runtime`
|Your addon requires instances of `Logger`, which is defined in addon X, but provided by addon Y (for instance), thus your addon requires addon Y to provide an instance of `Logger`, but does not need to import or compile against addon Y's types directly (they are provided by Furnace). Your addon does not expose the `Logger` type from addon X in its APIs.
*Your addon should include addon X at `provided` scope, and addon Y at `runtime` scope.*
|===
=== Test your addon
One of the most important concepts of writing a Forge addon is writing tests using the Furnace test harness. This
allows you to test your code in an actual Furnace environment, and verify that things are behaving as expected. Typically
we suggest using a separate project to test your addon in order to keep concerns separate, which tends to lead to cleaner
code and fewer surprises.
For simplicity's sake, we'll assume that your addon uses the default Furnace container (`org.jboss.forge.furnace.container:cdi`).
==== Set up the test-harness in your build descriptor (pom.xml)
Add the following dependencies to your pom.xml file if they are not already there. Make sure that the Furnace versions
are the same as the rest of your project.
[source,xml]
----
org.jboss.forge.furnace.test
furnace-test-harness
FURNACE_VERSION
test
org.jboss.forge.furnace.test
arquillian-furnace-classpath
FURNACE_VERSION
test
----
If you are writing tests in a separate project or sub-project, you should also add a dependency to your addon, or
to the addon you wish to test (you can test anything you like.)
[source,xml]
----
com.example
example
forge-addon
YOUR_VERSION
test
----
==== Write your first test
Now, you'll need to create a test class with the following layout, using the standard JUnit test APIs:
[source,java]
----
package org.example;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.forge.arquillian.archive.AddonArchive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(Arquillian.class)
public class ExampleFurnaceTest {
@Deployment
public static AddonArchive getDeployment() {
AddonArchive archive = ShrinkWrap.create(AddonArchive.class);
return archive;
}
@Test
public void testSomething() throws Exception {
Assert.fail("Not implemented");
}
}
----
Then you'll need to add some configuration so that your addon will be deployed to the test environment. This is done
using the `@AddonDeployment` annotation. You'll also need to add an addon dependency link from your test case
to your addon (otherwise the test case will not be able to use any of your addon's classes or services.)
[source,java]
----
@RunWith(Arquillian.class)
public class ExampleFurnaceTest {
@Deployment
@AddonDeployments({
@AddonDeployment(name = "org.example:example", version = "YOUR_VERSION")
})
public static AddonArchive getDeployment() {
AddonArchive archive = ShrinkWrap.create(AddonArchive.class)
.addBeansXML()
.addAsAddonDependencies(
AddonDependencyEntry.create("org.example:example", "YOUR_VERSION"),
);
return archive;
}
@Test
public void testSomething() throws Exception {
Assert.fail("Not implemented");
}
}
----
NOTE: The `@AddonDeployment` annotation is used to specify addons that must be deployed before the Addon-Under-Test is deployed in Furnace. The `AddonDependencyEntry.create(...)` method is used to specify addons that the Addon-Under-Test depends on.
You can use the `@AddonDependency` annotation if you want to deploy AND make your Addon-Under-Test dependent on the specified addon. By using the `@AddonDependency` annotation you no longer need to specify `AddonDependencyEntry.create(...)` in your `AddonArchive`.
Now that the test case deploys and depends on your addon, you may access services from it via injection:
[source,java]
----
@RunWith(Arquillian.class)
public class ExampleFurnaceTest {
@Deployment
@AddonDeployments({
@AddonDeployment(name = "org.example:example", version = "YOUR_VERSION")
})
public static AddonArchive getDeployment() {
AddonArchive archive = ShrinkWrap.create(AddonArchive.class)
.addBeansXML()
.addAsAddonDependencies(
AddonDependencyEntry.create("org.example:example", "YOUR_VERSION"),
);
return archive;
}
@Inject
private ExampleService service;
@Test
public void testSomething() throws Exception {
Assert.assertNotNull(service);
Assert.assertNotNull(service.doSomething());
}
}
----
This is the basic premise of using the test-harness. For detailed examples, take a
https://github.com/forge/core/tree/master/resources/tests/src/test/java/org/jboss/forge/addon/resource[look at some of the existing
Forge test cases] in our github repository.
NOTE: The `version` parameter in `@AddonDependency` and in the `AddonDependencyEntry.create(...)` method are optional. By not specifying them means that the test harness
will attempt to find the version based on the tests' build descriptor (pom.xml). In this case, if the dependent addon is not present in the tests' build descriptor, the test execution should fail.
=== Install your addon in the local maven repository:
Depending on the Forge environment in which you are running, installation steps will differ.
For Eclipse:: Open the Forge quick-assist menu, select either "Build and install an Addon" or "Install an addon" to build and install your project, or install a pre-built maven artifact.
For the Shell::
[source,cmd]
----
mvn clean install
----
Run
[source,cmd]
----
./forge --install yourgroupId:artifactId,version
----
WARNING: This coordinate is *NOT* the same as Maven's. You MUST use a comma (,) between the `artifactId` and the version.