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08fe2e33 NR |
1 | package be.nikiroo.fanfix.supported; |
2 | ||
3 | import java.awt.image.BufferedImage; | |
4 | import java.io.File; | |
5 | import java.io.FileInputStream; | |
6 | import java.io.IOException; | |
7 | import java.io.InputStream; | |
8 | import java.net.URL; | |
68686a37 | 9 | import java.util.ArrayList; |
08fe2e33 NR |
10 | import java.util.List; |
11 | import java.util.Map.Entry; | |
12 | import java.util.zip.ZipEntry; | |
13 | import java.util.zip.ZipInputStream; | |
14 | ||
08fe2e33 | 15 | import be.nikiroo.fanfix.Instance; |
68686a37 | 16 | import be.nikiroo.fanfix.data.MetaData; |
08fe2e33 | 17 | import be.nikiroo.utils.IOUtils; |
326093dc | 18 | import be.nikiroo.utils.ImageUtils; |
08fe2e33 | 19 | import be.nikiroo.utils.MarkableFileInputStream; |
ed08c171 | 20 | import be.nikiroo.utils.Progress; |
b7afbe42 | 21 | import be.nikiroo.utils.StringUtils; |
08fe2e33 NR |
22 | |
23 | /** | |
24 | * Support class for EPUB files created with this program (as we need some | |
25 | * metadata available in those we create). | |
26 | * | |
27 | * @author niki | |
28 | */ | |
68686a37 | 29 | class Epub extends InfoText { |
68686a37 | 30 | protected MetaData meta; |
b7afbe42 NR |
31 | private File tmp; |
32 | private String desc; | |
08fe2e33 | 33 | |
68686a37 NR |
34 | private URL fakeSource; |
35 | private InputStream fakeIn; | |
08fe2e33 NR |
36 | |
37 | @Override | |
38 | public String getSourceName() { | |
39 | return "epub"; | |
40 | } | |
41 | ||
42 | @Override | |
43 | protected boolean supports(URL url) { | |
44 | if (url.getPath().toLowerCase().endsWith(".epub")) { | |
45 | return true; | |
46 | } | |
47 | ||
48 | return false; | |
49 | } | |
50 | ||
51 | @Override | |
68686a37 NR |
52 | protected MetaData getMeta(URL source, InputStream in) throws IOException { |
53 | return meta; | |
08fe2e33 NR |
54 | } |
55 | ||
56 | @Override | |
57 | protected String getDesc(URL source, InputStream in) throws IOException { | |
b7afbe42 NR |
58 | if (desc != null) { |
59 | return desc; | |
60 | } | |
61 | ||
68686a37 NR |
62 | if (fakeIn != null) { |
63 | fakeIn.reset(); | |
64 | return super.getDesc(fakeSource, fakeIn); | |
08fe2e33 NR |
65 | } |
66 | ||
67 | return null; | |
68 | } | |
69 | ||
70 | @Override | |
ed08c171 NR |
71 | protected List<Entry<String, URL>> getChapters(URL source, InputStream in, |
72 | Progress pg) throws IOException { | |
68686a37 NR |
73 | if (fakeIn != null) { |
74 | fakeIn.reset(); | |
ed08c171 | 75 | return super.getChapters(fakeSource, fakeIn, pg); |
08fe2e33 NR |
76 | } |
77 | ||
78 | return null; | |
79 | } | |
80 | ||
81 | @Override | |
ed08c171 NR |
82 | protected String getChapterContent(URL source, InputStream in, int number, |
83 | Progress pg) throws IOException { | |
68686a37 NR |
84 | if (fakeIn != null) { |
85 | fakeIn.reset(); | |
ed08c171 | 86 | return super.getChapterContent(fakeSource, fakeIn, number, pg); |
08fe2e33 NR |
87 | } |
88 | ||
89 | return null; | |
90 | } | |
91 | ||
92 | @Override | |
68686a37 | 93 | protected void preprocess(URL source, InputStream in) throws IOException { |
08fe2e33 NR |
94 | // Note: do NOT close this stream, as it would also close "in" |
95 | ZipInputStream zipIn = new ZipInputStream(in); | |
96 | tmp = File.createTempFile("fanfic-reader-parser_", ".tmp"); | |
68686a37 | 97 | File tmpInfo = new File(tmp + ".info"); |
08fe2e33 | 98 | fakeSource = tmp.toURI().toURL(); |
68686a37 | 99 | BufferedImage cover = null; |
08fe2e33 | 100 | |
b7afbe42 NR |
101 | String url = source.toString(); |
102 | String title = null; | |
103 | String author = null; | |
104 | ||
08fe2e33 NR |
105 | for (ZipEntry entry = zipIn.getNextEntry(); entry != null; entry = zipIn |
106 | .getNextEntry()) { | |
107 | if (!entry.isDirectory() | |
108 | && entry.getName().startsWith(getDataPrefix())) { | |
109 | String entryLName = entry.getName().toLowerCase(); | |
b7afbe42 | 110 | |
08fe2e33 NR |
111 | boolean imageEntry = false; |
112 | for (String ext : getImageExt(false)) { | |
113 | if (entryLName.endsWith(ext)) { | |
114 | imageEntry = true; | |
115 | } | |
116 | } | |
117 | ||
118 | if (entry.getName().equals(getDataPrefix() + "version")) { | |
119 | // Nothing to do for now ("first" | |
120 | // version is 3.0) | |
121 | } else if (entryLName.endsWith(".info")) { | |
122 | // Info file | |
123 | IOUtils.write(zipIn, tmpInfo); | |
124 | } else if (imageEntry) { | |
125 | // Cover | |
126 | if (getCover()) { | |
127 | try { | |
326093dc | 128 | cover = ImageUtils.fromStream(zipIn); |
08fe2e33 NR |
129 | } catch (Exception e) { |
130 | Instance.syserr(e); | |
131 | } | |
132 | } | |
133 | } else if (entry.getName().equals(getDataPrefix() + "URL")) { | |
b7afbe42 NR |
134 | String[] descArray = StringUtils |
135 | .unhtml(IOUtils.readSmallStream(zipIn)).trim() | |
136 | .split("\n"); | |
137 | if (descArray.length > 0) { | |
138 | url = descArray[0].trim(); | |
139 | } | |
08fe2e33 | 140 | } else if (entry.getName().equals(getDataPrefix() + "SUMMARY")) { |
b7afbe42 NR |
141 | String[] descArray = StringUtils |
142 | .unhtml(IOUtils.readSmallStream(zipIn)).trim() | |
143 | .split("\n"); | |
144 | int skip = 0; | |
145 | if (descArray.length > 1) { | |
146 | title = descArray[0].trim(); | |
147 | skip = 1; | |
148 | if (descArray.length > 2 | |
149 | && descArray[1].startsWith("©")) { | |
150 | author = descArray[1].substring(1).trim(); | |
151 | skip = 2; | |
152 | } | |
153 | } | |
154 | this.desc = ""; | |
155 | for (int i = skip; i < descArray.length; i++) { | |
156 | this.desc += descArray[i].trim() + "\n"; | |
157 | } | |
158 | ||
159 | this.desc = this.desc.trim(); | |
08fe2e33 NR |
160 | } else { |
161 | // Hopefully the data file | |
162 | IOUtils.write(zipIn, tmp); | |
163 | } | |
164 | } | |
165 | } | |
166 | ||
167 | if (requireInfo() && (!tmp.exists() || !tmpInfo.exists())) { | |
168 | throw new IOException( | |
169 | "file not supported (maybe not created with this program or corrupt)"); | |
170 | } | |
171 | ||
172 | if (tmp.exists()) { | |
68686a37 NR |
173 | this.fakeIn = new MarkableFileInputStream(new FileInputStream(tmp)); |
174 | } | |
175 | ||
176 | if (tmpInfo.exists()) { | |
57f02339 | 177 | meta = InfoReader.readMeta(tmpInfo, true); |
68686a37 NR |
178 | if (cover != null) { |
179 | meta.setCover(cover); | |
180 | } | |
181 | tmpInfo.delete(); | |
182 | } else { | |
183 | meta = new MetaData(); | |
68686a37 NR |
184 | meta.setLang("EN"); |
185 | meta.setTags(new ArrayList<String>()); | |
186 | meta.setSource(getSourceName()); | |
b7afbe42 NR |
187 | meta.setUuid(url); |
188 | meta.setUrl(url); | |
189 | meta.setTitle(title); | |
190 | meta.setAuthor(author); | |
08fe2e33 NR |
191 | } |
192 | } | |
193 | ||
194 | @Override | |
195 | protected void close() throws IOException { | |
68686a37 NR |
196 | if (tmp != null && tmp.exists()) { |
197 | if (!tmp.delete()) { | |
198 | tmp.deleteOnExit(); | |
08fe2e33 NR |
199 | } |
200 | } | |
201 | ||
202 | tmp = null; | |
08fe2e33 | 203 | |
dea63313 NR |
204 | if (fakeIn != null) { |
205 | fakeIn.close(); | |
206 | } | |
207 | ||
68686a37 | 208 | super.close(); |
08fe2e33 NR |
209 | } |
210 | ||
211 | protected String getDataPrefix() { | |
212 | return "DATA/"; | |
213 | } | |
214 | ||
215 | protected boolean requireInfo() { | |
216 | return true; | |
217 | } | |
218 | ||
219 | protected boolean getCover() { | |
220 | return true; | |
221 | } | |
08fe2e33 | 222 | } |