#21 - Added example for Spring Data REST and Spring Security.

Added example of how to secure a Spring Data REST project with Spring Security both on the method level as well as the URI level.

Original pull request: #22.

rest/security/src/main/java/example/company/SecurityUtils.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 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 example.company;
+
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.authority.AuthorityUtils;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+/**
+ * Some convenient security utilities.
+ *
+ * @author Greg Turnquist
+ */
+public class SecurityUtils {
+
+	public static void runAs(String username, String password, String... roles) {
+
+		SecurityContextHolder.getContext().setAuthentication(
+			new UsernamePasswordAuthenticationToken(username, password, AuthorityUtils.createAuthorityList(roles)));
+	}
+}