Skip dependency exclusions if groupId is null

Fixes gh-1133

spring-boot-integration-tests/src/test/java/org/springframework/boot/gradle/FlatdirTests.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2012-2014 the original author or authors.
+ *
+ * Licensed 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.springframework.boot.gradle;
+
+import java.io.File;
+
+import org.gradle.tooling.ProjectConnection;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.boot.dependency.tools.ManagedDependencies;
+import org.springframework.util.FileCopyUtils;
+import org.springframework.util.FileSystemUtils;
+
+/**
+ * Tests for using the Gradle plugin's support for flat directory repos
+ *
+ * @author Dave Syer
+ */
+public class FlatdirTests {
+
+	private ProjectConnection project;
+
+	private File libs = new File("target/flatdir/lib");
+
+	private static final String BOOT_VERSION = ManagedDependencies.get().find(
+			"spring-boot").getVersion();
+	
+	@Before
+	public void init() {
+		if (libs.exists()) {
+			FileSystemUtils.deleteRecursively(libs);
+		}
+	}
+
+	@Test
+	public void flatdir() throws Exception {
+		project = new ProjectCreator().createProject("flatdir");
+		if (!libs.exists()) {
+			libs.mkdirs();
+		}
+		FileCopyUtils.copy(new File("src/test/resources/foo.jar"),
+				new File(libs, "foo-1.0.0.jar"));
+		project.newBuild().forTasks("build").withArguments(
+				"-PbootVersion=" + BOOT_VERSION, "--stacktrace").run();
+	}
+
+}

spring-boot-integration-tests/src/test/resources/flatdir.gradle

@@ -0,0 +1,29 @@
+buildscript {
+	repositories {
+		mavenLocal()
+	}
+	dependencies {
+		classpath("org.springframework.boot:spring-boot-gradle-plugin:${project.bootVersion}")
+	}
+}
+
+apply plugin: 'spring-boot'
+
+group = 'flatdir'
+version = '0.0.0'
+
+run {
+  main = 'Foo'
+}
+
+jar {
+	baseName =  'flatdir'
+}
+
+repositories {
+	flatDir( dirs:'lib' )
+}
+
+dependencies {
+	compile ':foo:1.0.0'
+}

spring-boot-tools/spring-boot-gradle-plugin/src/main/groovy/org/springframework/boot/gradle/exclude/ApplyExcludeRules.java

@@ -49,10 +49,12 @@ public class ApplyExcludeRules implements Action<Configuration> {
 		if (!VersionManagedDependencies.CONFIGURATION.equals(configuration.getName())) {
 			configuration.getIncoming().beforeResolve(
 					new Action<ResolvableDependencies>() {
+
 						@Override
 						public void execute(ResolvableDependencies resolvableDependencies) {
 							resolvableDependencies.getDependencies().all(
 									new Action<Dependency>() {
+
 										@Override
 										public void execute(Dependency dependency) {
 											applyExcludeRules(dependency);
@@ -70,21 +72,22 @@ public class ApplyExcludeRules implements Action<Configuration> {
 	}
 
 	private void applyExcludeRules(ModuleDependency dependency) {
-		ManagedDependencies managedDependencies = versionManagedDependencies
-				.getManagedDependencies();
-		org.springframework.boot.dependency.tools.Dependency managedDependency = managedDependencies
-				.find(dependency.getGroup(), dependency.getName());
+		ManagedDependencies managedDependencies = versionManagedDependencies.getManagedDependencies();
+		// flat directory repositories do not have groups
+		if (dependency.getGroup() != null) {
+			org.springframework.boot.dependency.tools.Dependency managedDependency = managedDependencies.find(
+					dependency.getGroup(), dependency.getName());
 			if (managedDependency != null) {
 				for (Exclusion exclusion : managedDependency.getExclusions()) {
 					addExcludeRule(dependency, exclusion);
 				}
 				addImplicitExcludeRules(dependency);
+				return;
+			}
 		}
-		else {
 		logger.debug("No exclusions rules applied for non-managed dependency "
 				+ dependency);
 	}
-	}
 
 	private void addExcludeRule(ModuleDependency dependency, Exclusion exclusion) {
 		logger.info("Adding managed exclusion rule " + exclusion + " to " + dependency);
@@ -106,8 +109,8 @@ public class ApplyExcludeRules implements Action<Configuration> {
 
 	private boolean isStarter(ModuleDependency dependency) {
 		return (dependency.getGroup() != null
-				&& dependency.getGroup().equals("org.springframework.boot") && dependency
-				.getName().startsWith("spring-boot-starter"));
+				&& dependency.getGroup().equals("org.springframework.boot") && dependency.getName().startsWith(
+				"spring-boot-starter"));
 	}
 
 }