private static String getSystemProperty(String property) {
        try {
            return System.getProperty(property);
        } catch (SecurityException ex) {
            // we are not allowed to look at this property
            System.err.println("Caught a SecurityException reading the system property '" + property
                    + "'; the SystemUtils property value will default to null.");
            return null;
        }
    }
<p>
Gets a System property, defaulting to {@code null} if the property cannot be read.
</p>
<p>
If a {@code SecurityException} is caught, the return value is {@code null} and a message is written to
{@code System.err}.
</p>

@param property the system property name
@return the system property value or {@code null} if a security problem occurs
android/android_framework/base/src/main/java/lang3/SystemUtils.java