diff --git a/buildSrc/src/main/groovy/org/elasticsearch/gradle/plugin/PluginPropertiesExtension.groovy b/buildSrc/src/main/groovy/org/elasticsearch/gradle/plugin/PluginPropertiesExtension.groovy
deleted file mode 100644
index c250d7695a83..000000000000
--- a/buildSrc/src/main/groovy/org/elasticsearch/gradle/plugin/PluginPropertiesExtension.groovy
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * 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 org.gradle.api.tasks.Input
-import org.gradle.api.tasks.InputFile
-
-/**
- * A container for plugin properties that will be written to the plugin descriptor, for easy
- * manipulation in the gradle DSL.
- */
-class PluginPropertiesExtension {
-
-    @Input
-    String name
-
-    @Input
-    String version
-
-    @Input
-    String description
-
-    @Input
-    String classname
-
-    /** Other plugins this plugin extends through SPI */
-    @Input
-    List<String> extendedPlugins = []
-
-    @Input
-    boolean hasNativeController = false
-
-    /** Indicates whether the plugin jar should be made available for the transport client. */
-    @Input
-    boolean hasClientJar = false
-
-    /** True if the plugin requires the elasticsearch keystore to exist, false otherwise. */
-    @Input
-    boolean requiresKeystore = false
-
-    /** A license file that should be included in the built plugin zip. */
-    private File licenseFile = null
-
-    /**
-     * 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 = null
-
-    Project project = null
-
-    PluginPropertiesExtension(Project project) {
-        name = project.name
-        version = project.version
-        this.project = project
-    }
-
-    @InputFile
-    File getLicenseFile() {
-        return licenseFile
-    }
-
-    void setLicenseFile(File licenseFile) {
-        project.ext.licenseFile = licenseFile
-        this.licenseFile = licenseFile
-    }
-
-    @InputFile
-    File getNoticeFile() {
-        return noticeFile
-    }
-
-    void setNoticeFile(File noticeFile) {
-        project.ext.noticeFile = noticeFile
-        this.noticeFile = noticeFile
-    }
-}
diff --git a/buildSrc/src/main/java/org/elasticsearch/plugin/PluginPropertiesExtension.java b/buildSrc/src/main/java/org/elasticsearch/plugin/PluginPropertiesExtension.java
new file mode 100644
index 000000000000..99034783b2d2
--- /dev/null
+++ b/buildSrc/src/main/java/org/elasticsearch/plugin/PluginPropertiesExtension.java
@@ -0,0 +1,162 @@
+package org.elasticsearch.gradle.plugin;
+
+import org.gradle.api.Project;
+import org.gradle.api.tasks.Input;
+import org.gradle.api.tasks.InputFile;
+
+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 {
+    
+    @Input
+    private String name;
+    @Input
+    private String version;
+    @Input
+    private String description;
+    @Input
+    private String classname;
+    /**
+     * Other plugins this plugin extends through SPI
+     */
+    @Input
+    private List<String> extendedPlugins = new ArrayList<String>();
+    @Input
+    private boolean hasNativeController = false;
+    /**
+     * Indicates whether the plugin jar should be made available for the transport client.
+     */
+    @Input
+    private boolean hasClientJar = false;
+    /**
+     * True if the plugin requires the elasticsearch keystore to exist, false otherwise.
+     */
+    @Input
+    private boolean requiresKeystore = false;
+    /**
+     * A license file that should be included in the built plugin zip.
+     */
+    private File licenseFile = null;
+    /**
+     * 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 = null;
+    private Project project = null;
+
+    public PluginPropertiesExtension(Project project) {
+        name = project.getName();
+        version = project.getVersion().toString();
+        this.project = project;
+    }
+
+    @InputFile
+    public File getLicenseFile() {
+        return licenseFile;
+    }
+
+    public void setLicenseFile(File licenseFile) {
+        //project.ext.licenseFile = licenseFile;
+        this.licenseFile = licenseFile;
+    }
+
+    @InputFile
+    public File getNoticeFile() {
+        return noticeFile;
+    }
+
+    public void setNoticeFile(File noticeFile) {
+        //project.ext.noticeFile = noticeFile;
+        this.noticeFile = noticeFile;
+    }
+
+    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 extendedPlugins;
+    }
+
+    public void setExtendedPlugins(List<String> extendedPlugins) {
+        this.extendedPlugins = extendedPlugins;
+    }
+
+    public boolean getHasNativeController() {
+        return hasNativeController;
+    }
+
+    public boolean isHasNativeController() {
+        return hasNativeController;
+    }
+
+    public void setHasNativeController(boolean hasNativeController) {
+        this.hasNativeController = hasNativeController;
+    }
+
+    public boolean getHasClientJar() {
+        return hasClientJar;
+    }
+
+    public boolean isHasClientJar() {
+        return hasClientJar;
+    }
+
+    public void setHasClientJar(boolean hasClientJar) {
+        this.hasClientJar = hasClientJar;
+    }
+
+    public boolean getRequiresKeystore() {
+        return requiresKeystore;
+    }
+
+    public boolean isRequiresKeystore() {
+        return requiresKeystore;
+    }
+
+    public void setRequiresKeystore(boolean requiresKeystore) {
+        this.requiresKeystore = requiresKeystore;
+    }
+
+    public Project getProject() {
+        return project;
+    }
+
+    public void setProject(Project project) {
+        this.project = project;
+    }
+}