Convert PluginPropertiesExtension Groovy to Java

buildSrc/src/main/groovy/org/elasticsearch/gradle/plugin/PluginBuildPlugin.groovy

@@ -52,6 +52,8 @@ class PluginBuildPlugin extends BuildPlugin {
         super.apply(project)
 
         PluginPropertiesExtension extension = project.extensions.create(PLUGIN_EXTENSION_NAME, PluginPropertiesExtension, project)
+        project.pluginManager.apply('elasticsearch.esplugin')
+
         configureDependencies(project)
 
         // this afterEvaluate must happen before the afterEvaluate added by integTest creation,

buildSrc/src/main/java/org/elasticsearch/gradle/plugin/PluginPropertiesExtension.java

@@ -0,0 +1,154 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.elasticsearch.gradle.plugin;
+
+import org.gradle.api.Project;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A container for plugin properties that will be written to the plugin descriptor, for easy
+ * manipulation in the gradle DSL.
+ */
+public class PluginPropertiesExtension {
+    private String name;
+
+    private String version;
+
+    private String description;
+
+    private String classname;
+
+    /** Other plugins this plugin extends through SPI */
+    private List<String> extendedPlugins = new ArrayList<>();
+
+    private boolean hasNativeController;
+
+    /** Indicates whether the plugin jar should be made available for the transport client. */
+    private boolean hasClientJar;
+
+    /** True if the plugin requires the elasticsearch keystore to exist, false otherwise. */
+    private boolean requiresKeystore;
+
+    /** A license file that should be included in the built plugin zip. */
+    private File licenseFile;
+
+    /**
+     * A notice file that should be included in the built plugin zip. This will be
+     * extended with notices from the {@code licenses/} directory.
+     */
+    private File noticeFile;
+
+    private final Project project;
+
+    public PluginPropertiesExtension(Project project) {
+        this.name = project.getName();
+        this.version = project.getVersion().toString();
+        this.project = project;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getClassname() {
+        return classname;
+    }
+
+    public void setClassname(String classname) {
+        this.classname = classname;
+    }
+
+    public List<String> getExtendedPlugins() {
+        return this.extendedPlugins;
+    }
+
+    public boolean getHasNativeController() {
+        return hasNativeController;
+    }
+
+    public void setHasNativeController(boolean hasNativeController) {
+        this.hasNativeController = hasNativeController;
+    }
+
+    public boolean isHasClientJar() {
+        return hasClientJar;
+    }
+
+    public void setHasClientJar(boolean hasClientJar) {
+        this.hasClientJar = hasClientJar;
+    }
+
+    public boolean isRequiresKeystore() {
+        return requiresKeystore;
+    }
+
+    public void setRequiresKeystore(boolean requiresKeystore) {
+        this.requiresKeystore = requiresKeystore;
+    }
+
+    public File getLicenseFile() {
+        return licenseFile;
+    }
+
+    public void setLicenseFile(File licenseFile) {
+        this.project.getExtensions().add("licenseFile", licenseFile);
+        this.licenseFile = licenseFile;
+    }
+
+    public File getNoticeFile() {
+        return noticeFile;
+    }
+
+    public void setNoticeFile(File noticeFile) {
+        this.project.getExtensions().add("noticeFile", noticeFile);
+        this.noticeFile = noticeFile;
+    }
+
+    public Project getProject() {
+        return project;
+    }
+
+    public void setExtendedPlugins(List<String> extendedPlugins) {
+        this.extendedPlugins = extendedPlugins;
+    }
+}

buildSrc/src/test/java/org/elasticsearch/gradle/plugin/PluginPropertiesExtensionTests.java

@@ -0,0 +1,58 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.elasticsearch.gradle.plugin;
+
+import org.elasticsearch.gradle.test.GradleUnitTestCase;
+import org.gradle.api.Project;
+import org.gradle.api.plugins.JavaPlugin;
+import org.gradle.testfixtures.ProjectBuilder;
+
+public class PluginPropertiesExtensionTests extends GradleUnitTestCase {
+
+    public void testCreatingPluginPropertiesExtensionWithNameAndVersion() {
+        String projectName = "Test";
+        String projectVersion = "5.0";
+
+        PluginPropertiesExtension pluginPropertiesExtension  =
+                new PluginPropertiesExtension(this.createProject(projectName, projectVersion));
+
+        assertEquals(projectName, pluginPropertiesExtension.getName());
+        assertEquals(projectVersion, pluginPropertiesExtension.getVersion());
+    }
+
+    public void testCreatingPluginPropertiesExtensionWithNameWithoutVersion() {
+        String projectName = "Test";
+
+        PluginPropertiesExtension pluginPropertiesExtension  =
+                new PluginPropertiesExtension(this.createProject(projectName, null));
+
+        assertEquals(projectName, pluginPropertiesExtension.getName());
+        assertEquals("unspecified", pluginPropertiesExtension.getVersion());
+    }
+
+    private Project createProject(String projectName, String version) {
+        Project project = ProjectBuilder.builder().withName(projectName).build();
+        project.setVersion(version);
+
+        project.getPlugins().apply(JavaPlugin.class);
+
+        return project;
+    }
+}