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 java.util.Objects;
22
23 import org.apache.commons.lang3.StringUtils;
24 import org.apache.rat.ConfigurationException;
25 import org.apache.rat.analysis.IHeaderMatcher;
26 import org.apache.rat.analysis.matchers.FullTextMatcher;
27 import org.apache.rat.analysis.matchers.SimpleTextMatcher;
28
29 /**
30 * Builds text based matcher based on the complexity of the text to match.
31 */
32 public class TextBuilder extends AbstractBuilder implements TextCaptureBuilder {
33
34 private String text;
35
36 @SuppressWarnings("unchecked")
37 @Override
38 public TextBuilder setText(String text) {
39 Objects.requireNonNull(text, "text may not be null");
40 this.text = text;
41 return this;
42 }
43
44 @Override
45 public IHeaderMatcher build() {
46 if (StringUtils.isBlank(text)) {
47 throw new ConfigurationException("text value is required");
48 }
49 boolean complex = text.contains(" ") | text.contains("\\t") | text.contains("\\n") | text.contains("\\r")
50 | text.contains("\\f") | text.contains("\\v");
51
52 return complex ? new FullTextMatcher(getId(), text) : new SimpleTextMatcher(getId(), text);
53 }
54
55 @Override
56 public String toString() {
57 if (text.length() > 20) {
58 return "TextBuilder: " + text.substring(0, 20) + "...";
59 }
60 return "TextBuilder: " + text;
61 }
62 }