From 132aa8a77685ec92bc90c03f987650d275a7b639 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 30 Sep 2013 06:59:11 +0000
Subject: 2.0.1 RC1 release tag

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1527464 13f79535-47bb-0310-9956-ffa450edef68
---
 .../tuscany/sca/policy/security/SecurityUtil.java  | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 sca-java-2.x/tags/2.0.1-RC1/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java

(limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java')

diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java b/sca-java-2.x/tags/2.0.1-RC1/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java
new file mode 100644
index 0000000000..50349cdf88
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/policy-security/src/main/java/org/apache/tuscany/sca/policy/security/SecurityUtil.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.apache.tuscany.sca.policy.security;
+
+import java.security.Principal;
+
+import javax.security.auth.Subject;
+
+import org.apache.tuscany.sca.invocation.Message;
+
+
+/**
+ * Some utilities for dealing with security information in a Tuscany message
+ * 
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public class SecurityUtil {
+    
+    public static String SubjectString = "Subject";
+    public static String PrincipalString = "Principal";
+    
+    public static Subject getSubject(Message msg){
+        
+        Subject subject = (Subject)msg.getHeaders().get(SubjectString);
+        
+        if (subject == null){
+            subject = new Subject(); 
+            msg.getHeaders().put(SubjectString, subject); 
+        }
+        
+        return subject;
+    }
+    
+    public static <T> T getPrincipal(Subject subject, Class<T> clazz){
+        for (Principal msgPrincipal : subject.getPrincipals() ){
+            if (clazz.isInstance(msgPrincipal)){
+                return clazz.cast(msgPrincipal);
+            }
+        }
+        
+        return null;
+    }
+    
+    public static Principal getPrincipal(Message msg){
+        
+        return (Principal)msg.getHeaders().get(PrincipalString);
+    }    
+}
-- 
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