Fix some bad line breaks on HTML supports
[fanfix.git] / src / be / nikiroo / fanfix / supported / InfoReader.java
1 package be.nikiroo.fanfix.supported;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.FileNotFoundException;
6 import java.io.IOException;
7 import java.io.InputStream;
8 import java.net.URL;
9 import java.util.ArrayList;
10 import java.util.List;
11
12 import be.nikiroo.fanfix.data.MetaData;
13 import be.nikiroo.utils.MarkableFileInputStream;
14
15 // not complete: no "description" tag
16 public class InfoReader {
17 public static MetaData readMeta(File infoFile) throws IOException {
18 if (infoFile == null) {
19 throw new IOException("File is null");
20 }
21
22 if (infoFile.exists()) {
23 InputStream in = new MarkableFileInputStream(new FileInputStream(
24 infoFile));
25 try {
26 return createMeta(infoFile.toURI().toURL(), in);
27 } finally {
28 in.close();
29 in = null;
30 }
31 } else {
32 throw new FileNotFoundException(
33 "File given as argument does not exists: "
34 + infoFile.getAbsolutePath());
35 }
36 }
37
38 private static MetaData createMeta(URL sourceInfoFile, InputStream in)
39 throws IOException {
40 MetaData meta = new MetaData();
41
42 meta.setTitle(getInfoTag(in, "TITLE"));
43 meta.setAuthor(getInfoTag(in, "AUTHOR"));
44 meta.setDate(getInfoTag(in, "DATE"));
45 meta.setTags(getInfoTagList(in, "TAGS", ","));
46 meta.setSource(getInfoTag(in, "SOURCE"));
47 meta.setUrl(getInfoTag(in, "URL"));
48 meta.setPublisher(getInfoTag(in, "PUBLISHER"));
49 meta.setUuid(getInfoTag(in, "UUID"));
50 meta.setLuid(getInfoTag(in, "LUID"));
51 meta.setLang(getInfoTag(in, "LANG"));
52 meta.setSubject(getInfoTag(in, "SUBJECT"));
53 meta.setType(getInfoTag(in, "TYPE"));
54 meta.setImageDocument(getInfoTagBoolean(in, "IMAGES_DOCUMENT", false));
55 meta.setCover(BasicSupport.getImage(null, sourceInfoFile,
56 getInfoTag(in, "COVER")));
57 try {
58 meta.setWords(Long.parseLong(getInfoTag(in, "WORDCOUNT")));
59 } catch (NumberFormatException e) {
60 meta.setWords(0);
61 }
62 meta.setCreationDate(getInfoTag(in, "CREATION_DATE"));
63 meta.setFakeCover(Boolean.parseBoolean(getInfoTag(in, "FAKE_COVER")));
64
65 if (meta.getCover() == null) {
66 meta.setCover(BasicSupport.getDefaultCover(meta.getSubject()));
67 }
68
69 return meta;
70 }
71
72 private static boolean getInfoTagBoolean(InputStream in, String key,
73 boolean def) throws IOException {
74 Boolean value = getInfoTagBoolean(in, key);
75 return value == null ? def : value;
76 }
77
78 private static Boolean getInfoTagBoolean(InputStream in, String key)
79 throws IOException {
80 String value = getInfoTag(in, key);
81 if (value != null && !value.trim().isEmpty()) {
82 value = value.toLowerCase().trim();
83 return value.equals("1") || value.equals("on")
84 || value.equals("true") || value.equals("yes");
85 }
86
87 return null;
88 }
89
90 private static List<String> getInfoTagList(InputStream in, String key,
91 String separator) throws IOException {
92 List<String> list = new ArrayList<String>();
93 String tt = getInfoTag(in, key);
94 if (tt != null) {
95 for (String tag : tt.split(separator)) {
96 list.add(tag.trim());
97 }
98 }
99
100 return list;
101 }
102
103 /**
104 * Return the value of the given tag in the <tt>.info</tt> file if present.
105 *
106 * @param key
107 * the tag key
108 *
109 * @return the value or NULL
110 *
111 * @throws IOException
112 * in case of I/O error
113 */
114 private static String getInfoTag(InputStream in, String key)
115 throws IOException {
116 key = "^" + key + "=";
117
118 if (in != null) {
119 in.reset();
120 String value = BasicSupport.getLine(in, key, 0);
121 if (value != null && !value.isEmpty()) {
122 value = value.trim().substring(key.length() - 1).trim();
123 if (value.startsWith("'") && value.endsWith("'")
124 || value.startsWith("\"") && value.endsWith("\"")) {
125 value = value.substring(1, value.length() - 1).trim();
126 }
127
128 return value;
129 }
130 }
131
132 return null;
133 }
134 }