1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.codehaus.plexus.components.secdispatcher.internal.sources;
20
21 import java.util.function.Function;
22 import java.util.function.Predicate;
23
24 import static java.util.Objects.requireNonNull;
25
26 /**
27 * Master password source support class for simple "prefix" use case.
28 */
29 public abstract class PrefixMasterSourceSupport extends MasterSourceSupport {
30 public PrefixMasterSourceSupport(String prefix) {
31 super(prefixMatcher(prefix), prefixRemover(prefix));
32 }
33
34 private static Predicate<String> prefixMatcher(String prefix) {
35 requireNonNull(prefix, "prefix cannot be null");
36 return s -> s != null && s.startsWith(prefix);
37 }
38
39 private static Function<String, String> prefixRemover(String prefix) {
40 requireNonNull(prefix, "prefix cannot be null");
41 return s -> s.substring(prefix.length());
42 }
43 }