SEC-1998: Provide integration with WebAsyncManager#startCallableProcessing

Support integration of the Spring SecurityContext on Callable's used with
WebAsyncManager by registering SecurityContextCallableProcessingInterceptor.

core/src/test/java/org/springframework/security/core/JavaVersionTests.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2002-2012 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.security.core;
+
+import static org.fest.assertions.Assertions.assertThat;
+
+import java.io.DataInputStream;
+import java.io.InputStream;
+
+import org.junit.Test;
+
+/**
+ *
+ * @author Rob Winch
+ *
+ */
+public class JavaVersionTests {
+
+    private static final int JDK5_CLASS_VERSION = 49;
+
+    @Test
+    public void authenticationCorrectJdkCompatibility() throws Exception {
+        assertClassVersion(Authentication.class);
+    }
+
+    private void assertClassVersion(Class<?> clazz) throws Exception {
+        String classResourceName = clazz.getName().replaceAll("\\.", "/") + ".class";
+        InputStream input = Thread.currentThread().getContextClassLoader().getResourceAsStream(classResourceName);
+        try {
+            DataInputStream data = new DataInputStream(input);
+            data.readInt();
+            data.readShort(); // minor
+            int major = data.readShort();
+            assertThat(major).isEqualTo(JDK5_CLASS_VERSION);
+        } finally {
+            try { input.close(); } catch(Exception e) {}
+        }
+    }
+}