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.analysis;
20
21 import org.apache.commons.io.IOUtils;
22 import org.apache.rat.api.Document;
23 import org.apache.rat.document.IDocumentAnalyser;
24 import org.apache.rat.document.RatDocumentAnalysisException;
25
26 import java.io.IOException;
27 import java.io.Reader;
28
29 public class DocumentHeaderAnalyser implements IDocumentAnalyser {
30
31 private final IHeaderMatcher matcher;
32
33 public DocumentHeaderAnalyser(final IHeaderMatcher matcher) {
34 super();
35 this.matcher = matcher;
36 }
37
38 public void analyse(Document document) throws RatDocumentAnalysisException {
39 Reader reader = null;
40 try {
41 reader = document.reader();
42 // TODO: worker function should be moved into this class
43 HeaderCheckWorker worker = new HeaderCheckWorker(reader, matcher, document);
44 worker.read();
45 } catch (IOException e) {
46 throw new RatDocumentAnalysisException("Cannot read header", e);
47 } catch (RatHeaderAnalysisException e) {
48 throw new RatDocumentAnalysisException("Cannot analyse header", e);
49 } finally {
50 IOUtils.closeQuietly(reader);
51 }
52 }
53
54 }