add global maven config to define default settings providers

core/src/main/java/hudson/tasks/Maven.java

@@ -40,6 +40,7 @@
 import jenkins.model.Jenkins;
 import jenkins.mvn.DefaultGlobalSettingsProvider;
 import jenkins.mvn.DefaultSettingsProvider;
+import jenkins.mvn.GlobalMavenConfig;
 import jenkins.mvn.GlobalSettingsProvider;
 import jenkins.mvn.SettingsProvider;
 import hudson.model.TaskListener;
@@ -163,8 +164,8 @@ public Maven(String targets,String name, String pom, String properties, String j
         this.properties = Util.fixEmptyAndTrim(properties);
         this.jvmOptions = Util.fixEmptyAndTrim(jvmOptions);
         this.usePrivateRepository = usePrivateRepository;
-        this.settings = settings != null ? settings : new DefaultSettingsProvider();
-        this.globalSettings = globalSettings != null ? globalSettings : new DefaultGlobalSettingsProvider();
+        this.settings = settings;
+        this.globalSettings = globalSettings;
     }
 
     public String getTargets() {
@@ -175,14 +176,22 @@ public String getTargets() {
      * @since 1.491
      */
     public SettingsProvider getSettings() {
-        return settings != null ? settings : new DefaultSettingsProvider();
+        return settings != null ? settings : GlobalMavenConfig.get().getSettingsProvider();
+    }
+
+    protected void setSettings(SettingsProvider settings) {
+        this.settings = settings;
     }
 
     /**
      * @since 1.491
      */
     public GlobalSettingsProvider getGlobalSettings() {
-        return globalSettings != null ? globalSettings : new DefaultGlobalSettingsProvider();
+        return globalSettings != null ? globalSettings : GlobalMavenConfig.get().getGlobalSettingsProvider();
+    }
+
+    protected void setGlobalSettings(GlobalSettingsProvider globalSettings) {
+        this.globalSettings = globalSettings;
     }
 
     public void setUsePrivateRepository(boolean usePrivateRepository) {
@@ -420,7 +429,10 @@ public void setInstallations(MavenInstallation... installations) {
 
         @Override
         public Builder newInstance(StaplerRequest req, JSONObject formData) throws FormException {
-            return req.bindJSON(Maven.class,formData);
+            Maven m = req.bindJSON(Maven.class,formData);
+            m.setSettings(GlobalMavenConfig.get().getSettingsProvider());
+            m.setGlobalSettings(GlobalMavenConfig.get().getGlobalSettingsProvider());
+            return m;
         }
     }
 

core/src/main/java/jenkins/mvn/GlobalMavenConfig.java

@@ -0,0 +1,47 @@
+package jenkins.mvn;
+
+import hudson.Extension;
+import jenkins.model.GlobalConfiguration;
+import net.sf.json.JSONObject;
+
+import org.kohsuke.stapler.StaplerRequest;
+
+//as close as it gets to the global Maven Project configuration
+@Extension(ordinal = 50)
+public class GlobalMavenConfig extends GlobalConfiguration {
+    private SettingsProvider settingsProvider;
+    private GlobalSettingsProvider globalSettingsProvider;
+
+    public GlobalMavenConfig() {
+        load();
+    }
+
+    @Override
+    public boolean configure(StaplerRequest req, JSONObject json) throws FormException {
+        req.bindJSON(this, json);
+        return true;
+    }
+
+    public void setGlobalSettingsProvider(GlobalSettingsProvider globalSettingsProvider) {
+        this.globalSettingsProvider = globalSettingsProvider;
+        save();
+    }
+
+    public void setSettingsProvider(SettingsProvider settingsProvider) {
+        this.settingsProvider = settingsProvider;
+        save();
+    }
+
+    public GlobalSettingsProvider getGlobalSettingsProvider() {
+        return globalSettingsProvider != null ? globalSettingsProvider : new DefaultGlobalSettingsProvider();
+    }
+
+    public SettingsProvider getSettingsProvider() {
+        return settingsProvider != null ? settingsProvider : new DefaultSettingsProvider();
+    }
+
+    public static GlobalMavenConfig get() {
+        return GlobalConfiguration.all().get(GlobalMavenConfig.class);
+    }
+
+}

core/src/main/resources/jenkins/mvn/GlobalMavenConfig/config.groovy

@@ -0,0 +1,8 @@
+package jenkins.mvn.GlobalMavenConfig;
+
+def f = namespace(lib.FormTagLib)
+
+f.section(title:_("Maven Configuration")) {
+    f.dropdownDescriptorSelector(title:_("Default settings provider"), field:"settingsProvider")
+    f.dropdownDescriptorSelector(title:_("Default global settings provider"), field:"globalSettingsProvider")
+}

maven-plugin/src/main/java/hudson/maven/MavenModuleSet.java

@@ -94,6 +94,7 @@
 import jenkins.mvn.DefaultGlobalSettingsProvider;
 import jenkins.mvn.DefaultSettingsProvider;
 import jenkins.mvn.FilePathSettingsProvider;
+import jenkins.mvn.GlobalMavenConfig;
 import jenkins.mvn.GlobalSettingsProvider;
 import jenkins.mvn.GlobalSettingsProviderDescriptor;
 import jenkins.mvn.SettingsProvider;
@@ -284,12 +285,12 @@ public class MavenModuleSet extends AbstractMavenProject<MavenModuleSet,MavenMod
     /**
      * @since 1.491
      */
-    private SettingsProvider settings = new DefaultSettingsProvider();
+    private SettingsProvider settings;
 
     /**
      * @since 1.491
      */
-    private GlobalSettingsProvider globalSettings = new DefaultGlobalSettingsProvider();
+    private GlobalSettingsProvider globalSettings;
 
 
     /**
@@ -650,14 +651,14 @@ public int getMavenValidationLevel() {
      * @since 1.481
      */
     public SettingsProvider getSettings() {
-        return settings != null ? settings : new DefaultSettingsProvider();
+        return settings != null ? settings : GlobalMavenConfig.get().getSettingsProvider();
     }
 
     /**
      * @since 1.481
      */
     public GlobalSettingsProvider getGlobalSettings() {
-        return globalSettings != null ? globalSettings : new DefaultGlobalSettingsProvider();
+        return globalSettings != null ? globalSettings : GlobalMavenConfig.get().getGlobalSettingsProvider();
     }
 
     /**
@@ -1260,7 +1261,10 @@ public String getDisplayName() {
         }
 
         public MavenModuleSet newInstance(ItemGroup parent, String name) {
-            return new MavenModuleSet(parent,name);
+            MavenModuleSet mms = new MavenModuleSet(parent,name);
+            mms.setSettings(GlobalMavenConfig.get().getSettingsProvider());
+            mms.setGlobalSettings(GlobalMavenConfig.get().getGlobalSettingsProvider());
+            return mms;
         }
 
         public Maven.DescriptorImpl getMavenDescriptor() {