source: trunk/src_apollo/org/apollo/util/StringEx.java@ 315

package org.apollo.util;

public final class StringEx {
        
        private StringEx() {}
        
        /**
         * This is a string equals method that handles null pointers
         * 
         * Notes: Javas thread-pool system doesn't mean that a string cannot only
         * be created once in java ... one can explicity use the new operater for 
         * a string to be duplicated... thus using the "==" operater is to risky.
         * Especially since many methods such as substring uses the new operator!
         * 
         * @param str1
         * 
         * @param str2
         * 
         * @return
         */
        public static boolean equals(String str1, String str2) {
                
                if (str1 == str2) return true; // they both null or same ref?
                
                else if (str1 == null) return false; // one is null
                
                else if (str2 == null) return false; // one is null
                
                return str1.equals(str2); // Evaluate..
                
        }

}