6657695: AbstractSaslImpl.logger is a static mutable (findbugs)
Reviewed-by: alanb
--- a/jdk/src/share/classes/com/sun/security/sasl/util/AbstractSaslImpl.java Fri Jul 17 20:29:41 2009 +0100
+++ b/jdk/src/share/classes/com/sun/security/sasl/util/AbstractSaslImpl.java Fri Jul 17 20:43:53 2009 +0100
@@ -1,5 +1,5 @@
/*
- * Copyright 2000-2003 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright 2000-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -48,10 +48,6 @@
* @author Rosanna Lee
*/
public abstract class AbstractSaslImpl {
- /**
- * Logger for debug messages
- */
- protected static Logger logger; // set in initLogger(); lazily loads logger
protected boolean completed = false;
protected boolean privacy = false;
@@ -68,7 +64,6 @@
protected String myClassName;
protected AbstractSaslImpl(Map props, String className) throws SaslException {
- initLogger();
myClassName = className;
// Parse properties to set desired context options
@@ -325,19 +320,15 @@
}
}
- /**
- * Sets logger field.
- */
- private static synchronized void initLogger() {
- if (logger == null) {
- logger = Logger.getLogger(SASL_LOGGER_NAME);
- }
- }
-
// ---------------- Constants -----------------
private static final String SASL_LOGGER_NAME = "javax.security.sasl";
protected static final String MAX_SEND_BUF = "javax.security.sasl.sendmaxbuffer";
+ /**
+ * Logger for debug messages
+ */
+ protected static final Logger logger = Logger.getLogger(SASL_LOGGER_NAME);
+
// default 0 (no protection); 1 (integrity only)
protected static final byte NO_PROTECTION = (byte)1;
protected static final byte INTEGRITY_ONLY_PROTECTION = (byte)2;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/security/sasl/util/CheckAccess.java Fri Jul 17 20:43:53 2009 +0100
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @bug 6657695
+ * @summary AbstractSaslImpl.logger is a static mutable (findbugs)
+ * @author Vincent Ryan
+ */
+
+import java.lang.reflect.*;
+
+/*
+ * Check that the 'logger' class member is immutable.
+ */
+public class CheckAccess {
+ public static final void main(String[] args) throws Exception {
+ Class clazz =
+ Class.forName("com.sun.security.sasl.util.AbstractSaslImpl");
+ Field field = clazz.getDeclaredField("logger");
+ if (! Modifier.isFinal(field.getModifiers())) {
+ throw new Exception(
+ "class member 'logger' must be immutable");
+ }
+ }
+}