| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 javax.security.enterprise.credential; |
| |
| import java.util.Arrays; |
| |
| import static java.util.Arrays.copyOf; |
| import static java.util.Objects.requireNonNull; |
| |
| public class Password { |
| private static final char[] EMPTY_VALUE = new char[0]; |
| private volatile char[] value; |
| |
| public Password(char[] value) { |
| requireNonNull(value, "Password value may not be null"); |
| |
| this.value = copyOf(value, value.length); |
| } |
| |
| public Password(String value) { |
| this(null == value ? null : value.toCharArray()); |
| } |
| |
| public char[] getValue() { |
| return value; |
| } |
| |
| public void clear() { |
| if (EMPTY_VALUE == value) { return; } |
| |
| char[] tempValue = value; |
| value = EMPTY_VALUE; |
| |
| for (int i = 0; i < tempValue.length; i++) { |
| tempValue[i] = 0x00; |
| } |
| } |
| |
| public boolean compareTo(String password) { |
| return password != null && Arrays.equals(password.toCharArray(), value); |
| } |
| } |