/*
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.sal.common.util;

public final class Arguments {

    private Arguments() {
        throw new UnsupportedOperationException("Utility class");
    }

    /**
     * Checks if value is instance of provided class
     *
     *
     * @param value Value to check
     * @param type Type to check
     * @return Reference which was checked
     */
    @SuppressWarnings("unchecked")
    public static <T> T checkInstanceOf(Object value, Class<T> type) {
        if(!type.isInstance(value)) {
            throw new IllegalArgumentException(String.format("Value %s is not of type %s", value, type));
        }
        return (T) value;
    }
}

/*
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.sal.common.util;

public final class Arguments {

    private Arguments() {
        throw new UnsupportedOperationException("Utility class");
    }

    /**
     * Checks if value is instance of provided class
     *
     *
     * @param value Value to check
     * @param type Type to check
     * @return Reference which was checked
     */
    @SuppressWarnings("unchecked")
    public static <T> T checkInstanceOf(Object value, Class<T> type) {
        if(!type.isInstance(value))
            throw new IllegalArgumentException(String.format("Value %s is not of type %s", value, type));
        return (T) value;
    }
}

--- 
+++ 
@@ -23,8 +23,9 @@
      */
     @SuppressWarnings("unchecked")
     public static <T> T checkInstanceOf(Object value, Class<T> type) {
-        if(!type.isInstance(value))
+        if(!type.isInstance(value)) {
             throw new IllegalArgumentException(String.format("Value %s is not of type %s", value, type));
+        }
         return (T) value;
     }
 }
Fix checkstyle if-statements must use braces sal-common-util

Change-Id: I518b9fa156af55c080d7e6a55067deab2c789a42
Signed-off-by: Thanh Ha <09ea4d3a79c8bee41a16519f6a431f6bc0fd8d6f@linuxfoundation.org>
