Commit | Line | Data |
---|---|---|
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; |
08fe2e33 NR |
21 | |
22 | /** | |
23 | * Support class for EPUB files created with this program (as we need some | |
24 | * metadata available in those we create). | |
25 | * | |
26 | * @author niki | |
27 | */ | |
68686a37 | 28 | class Epub extends InfoText { |
08fe2e33 | 29 | private File tmp; |
68686a37 | 30 | protected MetaData meta; |
08fe2e33 | 31 | |
68686a37 NR |
32 | private URL fakeSource; |
33 | private InputStream fakeIn; | |
08fe2e33 NR |
34 | |
35 | @Override | |
36 | public String getSourceName() { | |
37 | return "epub"; | |
38 | } | |
39 | ||
40 | @Override | |
41 | protected boolean supports(URL url) { | |
42 | if (url.getPath().toLowerCase().endsWith(".epub")) { | |
43 | return true; | |
44 | } | |
45 | ||
46 | return false; | |
47 | } | |
48 | ||
49 | @Override | |
68686a37 NR |
50 | protected MetaData getMeta(URL source, InputStream in) throws IOException { |
51 | return meta; | |
08fe2e33 NR |
52 | } |
53 | ||
54 | @Override | |
55 | protected String getDesc(URL source, InputStream in) throws IOException { | |
68686a37 NR |
56 | if (fakeIn != null) { |
57 | fakeIn.reset(); | |
58 | return super.getDesc(fakeSource, fakeIn); | |
08fe2e33 NR |
59 | } |
60 | ||
61 | return null; | |
62 | } | |
63 | ||
64 | @Override | |
ed08c171 NR |
65 | protected List<Entry<String, URL>> getChapters(URL source, InputStream in, |
66 | Progress pg) throws IOException { | |
68686a37 NR |
67 | if (fakeIn != null) { |
68 | fakeIn.reset(); | |
ed08c171 | 69 | return super.getChapters(fakeSource, fakeIn, pg); |
08fe2e33 NR |
70 | } |
71 | ||
72 | return null; | |
73 | } | |
74 | ||
75 | @Override | |
ed08c171 NR |
76 | protected String getChapterContent(URL source, InputStream in, int number, |
77 | Progress pg) throws IOException { | |
68686a37 NR |
78 | if (fakeIn != null) { |
79 | fakeIn.reset(); | |
ed08c171 | 80 | return super.getChapterContent(fakeSource, fakeIn, number, pg); |
08fe2e33 NR |
81 | } |
82 | ||
83 | return null; | |
84 | } | |
85 | ||
86 | @Override | |
68686a37 | 87 | protected void preprocess(URL source, InputStream in) throws IOException { |
08fe2e33 NR |
88 | // Note: do NOT close this stream, as it would also close "in" |
89 | ZipInputStream zipIn = new ZipInputStream(in); | |
90 | tmp = File.createTempFile("fanfic-reader-parser_", ".tmp"); | |
68686a37 | 91 | File tmpInfo = new File(tmp + ".info"); |
08fe2e33 | 92 | fakeSource = tmp.toURI().toURL(); |
68686a37 | 93 | BufferedImage cover = null; |
08fe2e33 NR |
94 | |
95 | for (ZipEntry entry = zipIn.getNextEntry(); entry != null; entry = zipIn | |
96 | .getNextEntry()) { | |
97 | if (!entry.isDirectory() | |
98 | && entry.getName().startsWith(getDataPrefix())) { | |
99 | String entryLName = entry.getName().toLowerCase(); | |
dea63313 | 100 | |
08fe2e33 NR |
101 | boolean imageEntry = false; |
102 | for (String ext : getImageExt(false)) { | |
103 | if (entryLName.endsWith(ext)) { | |
104 | imageEntry = true; | |
105 | } | |
106 | } | |
107 | ||
108 | if (entry.getName().equals(getDataPrefix() + "version")) { | |
109 | // Nothing to do for now ("first" | |
110 | // version is 3.0) | |
111 | } else if (entryLName.endsWith(".info")) { | |
112 | // Info file | |
113 | IOUtils.write(zipIn, tmpInfo); | |
114 | } else if (imageEntry) { | |
115 | // Cover | |
116 | if (getCover()) { | |
117 | try { | |
326093dc | 118 | cover = ImageUtils.fromStream(zipIn); |
08fe2e33 NR |
119 | } catch (Exception e) { |
120 | Instance.syserr(e); | |
121 | } | |
122 | } | |
123 | } else if (entry.getName().equals(getDataPrefix() + "URL")) { | |
124 | // Do nothing | |
125 | } else if (entry.getName().equals(getDataPrefix() + "SUMMARY")) { | |
126 | // Do nothing | |
127 | } else { | |
128 | // Hopefully the data file | |
129 | IOUtils.write(zipIn, tmp); | |
130 | } | |
131 | } | |
132 | } | |
133 | ||
134 | if (requireInfo() && (!tmp.exists() || !tmpInfo.exists())) { | |
135 | throw new IOException( | |
136 | "file not supported (maybe not created with this program or corrupt)"); | |
137 | } | |
138 | ||
139 | if (tmp.exists()) { | |
68686a37 NR |
140 | this.fakeIn = new MarkableFileInputStream(new FileInputStream(tmp)); |
141 | } | |
142 | ||
143 | if (tmpInfo.exists()) { | |
57f02339 | 144 | meta = InfoReader.readMeta(tmpInfo, true); |
68686a37 NR |
145 | if (cover != null) { |
146 | meta.setCover(cover); | |
147 | } | |
148 | tmpInfo.delete(); | |
149 | } else { | |
150 | meta = new MetaData(); | |
151 | meta.setUuid(source.toString()); | |
152 | meta.setLang("EN"); | |
153 | meta.setTags(new ArrayList<String>()); | |
154 | meta.setSource(getSourceName()); | |
2206ef66 | 155 | meta.setUrl(source.toString()); |
08fe2e33 NR |
156 | } |
157 | } | |
158 | ||
159 | @Override | |
160 | protected void close() throws IOException { | |
68686a37 NR |
161 | if (tmp != null && tmp.exists()) { |
162 | if (!tmp.delete()) { | |
163 | tmp.deleteOnExit(); | |
08fe2e33 NR |
164 | } |
165 | } | |
166 | ||
167 | tmp = null; | |
08fe2e33 | 168 | |
dea63313 NR |
169 | if (fakeIn != null) { |
170 | fakeIn.close(); | |
171 | } | |
172 | ||
68686a37 | 173 | super.close(); |
08fe2e33 NR |
174 | } |
175 | ||
176 | protected String getDataPrefix() { | |
177 | return "DATA/"; | |
178 | } | |
179 | ||
180 | protected boolean requireInfo() { | |
181 | return true; | |
182 | } | |
183 | ||
184 | protected boolean getCover() { | |
185 | return true; | |
186 | } | |
08fe2e33 | 187 | } |