javax.security.enterprise.credential.Password Maven / Gradle / Ivy
/*
* 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);
}
}
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