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.document.impl;
20
21 import java.io.File;
22 import java.io.FileInputStream;
23 import java.io.FileReader;
24 import java.io.IOException;
25 import java.io.InputStream;
26 import java.io.InputStreamReader;
27 import java.io.Reader;
28 import java.net.URL;
29 import java.nio.charset.StandardCharsets;
30
31 import org.apache.rat.api.Document;
32
33
34 public class MonolithicFileDocument extends AbstractMonolithicDocument {
35 private static final String FILE_URL_PREFIX = "file";
36
37 private final File file;
38
39 /**
40 * @return Creates and returns a new instance.
41 *
42 * @param url The document is read from the given URL.
43 */
44 public static Document newInstance(final URL url) {
45 if (FILE_URL_PREFIX.equals(url.getProtocol())) {
46 final File f = new File(url.getFile());
47 return new MonolithicFileDocument(f);
48 }
49 return new AbstractMonolithicDocument(url.toExternalForm()){
50 public Reader reader() throws IOException {
51 return new InputStreamReader(inputStream(), StandardCharsets.UTF_8);
52 }
53
54 public InputStream inputStream() throws IOException {
55 return url.openStream();
56 }
57 };
58 }
59
60 public MonolithicFileDocument(final File file) {
61 super(DocumentImplUtils.toName(file));
62 this.file = file;
63 }
64
65 public Reader reader() throws IOException {
66 return new FileReader(file);
67 }
68
69 public InputStream inputStream() throws IOException {
70 return new FileInputStream(file);
71 }
72 }