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.apache.rat.configuration.builders;
20
21 import org.apache.commons.lang3.StringUtils;
22 import org.apache.rat.analysis.IHeaderMatcher;
23
24 /**
25 * An abstract IHeaderMatcher.Builder.
26 */
27 public abstract class AbstractBuilder implements IHeaderMatcher.Builder {
28
29 private String id;
30
31 /**
32 * Protected empty constructor.
33 */
34 protected AbstractBuilder() {
35 }
36
37 /**
38 * Set the id for the matcher.
39 * @param id the id to use.
40 * @return this builder for chaining.
41 */
42 public final AbstractBuilder setId(String id) {
43 this.id = id;
44 return this;
45 }
46
47 /**
48 * @return {@code true} if the id is not null and not blank.
49 */
50 public final boolean hasId() {
51 return !StringUtils.isBlank(id);
52 }
53
54 /**
55 * @return the id as specified in the builder.
56 */
57 protected String getId() {
58 return id;
59 }
60
61 @Override
62 public String toString() {
63 return String.format( "%s with id %s", this.getClass(), id);
64 }
65
66 }