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Make use of Gradle's application plugin optional when using Boot plugin

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Previously, the Spring Boot Gradle plugin would always apply the
application plugin to a project. It then piggy-backed on the application
plugin’s mainClassName and applicationDefaultJvmArgs properties for the
configuration of the bootRun task.

This commit updates the Spring Boot Gradle plugin so that it no longer
applies the application plugin. If the user applies the application
plugin then its configuration will be used, but it’s a no longer
requirement.

Users who do not need the application plugin, but who were using the
mainClassName or applicationDefaultJvmArgs properties will need to
change their builds as a result of this change as those properties will
no longer exist. As before, the mainClassName can be configured on the
springBoot extension:

springBoot {
	mainClassName 'com.example.YourApplication'
}

The applicationDefaultJvmArgs property can be used, but it must now be
declared with the project's ext block. For example:

ext {
	applicationDefaultJvmArgs = [ '-Dcom.example.property=true' ]
}

Closes gh-2679
This commit is contained in:
Andy Wilkinson 2015-07-22 11:35:12 +01:00
parent dbc22f6f07
commit 8673250955
3 changed files with 21 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
spring-boot-docs/src/main/asciidoc/using-spring-boot.adoc
View File

@ -768,7 +768,7 @@ entropy for session keys.)
[[using-boot-running-with-the-gradle-plugin]]
=== Using the Gradle plugin
The Spring Boot Gradle plugin also includes a `run` goal which can be used to run
The Spring Boot Gradle plugin also includes a `bootRun` task which can be used to run
your application in an exploded form. The `bootRun` task is added whenever you import
the `spring-boot-plugin`

3
spring-boot-tools/spring-boot-gradle-plugin/src/main/groovy/org/springframework/boot/gradle/SpringBootPlugin.groovy
View File

@ -18,8 +18,6 @@ package org.springframework.boot.gradle
import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.plugins.ApplicationPlugin
import org.gradle.api.plugins.BasePlugin
import org.gradle.api.plugins.JavaPlugin
import org.springframework.boot.gradle.agent.AgentPluginFeatures
import org.springframework.boot.gradle.dependencymanagement.DependencyManagementPluginFeatures
@ -41,7 +39,6 @@ class SpringBootPlugin implements Plugin<Project> {
project.getExtensions().create("springBoot", SpringBootPluginExtension)
project.getPlugins().apply(JavaPlugin)
project.getPlugins().apply(ApplicationPlugin)
new AgentPluginFeatures().apply(project)
new RepackagePluginFeatures().apply(project)

28
spring-boot-tools/spring-boot-gradle-plugin/src/main/groovy/org/springframework/boot/gradle/run/FindMainClassTask.java
View File

@ -22,6 +22,7 @@ import org.gradle.api.DefaultTask;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.plugins.ApplicationPluginConvention;
import org.gradle.api.plugins.ExtraPropertiesExtension;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.TaskAction;
import org.springframework.boot.gradle.SpringBootPluginExtension;
@ -33,14 +34,24 @@ import org.springframework.boot.loader.tools.MainClassFinder;
*
* @author Dave Syer
* @author Phillip Webb
* @author Andy Wilkinson
*/
public class FindMainClassTask extends DefaultTask {
@TaskAction
public void setMainClassNameProperty() {
Project project = getProject();
if (project.property("mainClassName") == null) {
project.setProperty("mainClassName", findMainClass());
if (!project.hasProperty("mainClassName")
|| project.property("mainClassName") == null) {
String mainClass = findMainClass();
if (project.hasProperty("mainClassName")) {
project.setProperty("mainClassName", mainClass);
}
else {
ExtraPropertiesExtension extraProperties = (ExtraPropertiesExtension) project
.getExtensions().getByName("ext");
extraProperties.set("mainClassName", mainClass);
}
}
}
@ -58,13 +69,14 @@ public class FindMainClassTask extends DefaultTask {
ApplicationPluginConvention application = (ApplicationPluginConvention) project
.getConvention().getPlugins().get("application");
// Try the Application extension setting
if (mainClass == null && application.getMainClassName() != null) {
if (mainClass == null && application != null) {
// Try the Application extension setting
mainClass = application.getMainClassName();
}
Task runTask = getProject().getTasks().getByName("run");
if (mainClass == null && runTask.hasProperty("main")) {
Task runTask = project.getTasks().findByName("run");
if (mainClass == null && runTask != null) {
mainClass = (String) runTask.property("main");
}
@ -91,10 +103,10 @@ public class FindMainClassTask extends DefaultTask {
if (bootExtension.getMainClass() == null) {
bootExtension.setMainClass(mainClass);
}
if (application.getMainClassName() == null) {
if (application != null && application.getMainClassName() == null) {
application.setMainClassName(mainClass);
}
if (!runTask.hasProperty("main")) {
if (runTask != null && !runTask.hasProperty("main")) {
runTask.setProperty("main", mainClass);
}