| 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 | import java.util.Scanner; |
| 12 | |
| 13 | import be.nikiroo.fanfix.Instance; |
| 14 | import be.nikiroo.fanfix.bundles.Config; |
| 15 | import be.nikiroo.fanfix.data.MetaData; |
| 16 | import be.nikiroo.utils.MarkableFileInputStream; |
| 17 | |
| 18 | // not complete: no "description" tag |
| 19 | public class InfoReader { |
| 20 | public static MetaData readMeta(File infoFile, boolean withCover) |
| 21 | throws IOException { |
| 22 | if (infoFile == null) { |
| 23 | throw new IOException("File is null"); |
| 24 | } |
| 25 | |
| 26 | if (infoFile.exists()) { |
| 27 | InputStream in = new MarkableFileInputStream(new FileInputStream( |
| 28 | infoFile)); |
| 29 | try { |
| 30 | return createMeta(infoFile.toURI().toURL(), in, withCover); |
| 31 | } finally { |
| 32 | in.close(); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | throw new FileNotFoundException( |
| 37 | "File given as argument does not exists: " |
| 38 | + infoFile.getAbsolutePath()); |
| 39 | } |
| 40 | |
| 41 | private static MetaData createMeta(URL sourceInfoFile, InputStream in, |
| 42 | boolean withCover) throws IOException { |
| 43 | MetaData meta = new MetaData(); |
| 44 | |
| 45 | meta.setTitle(getInfoTag(in, "TITLE")); |
| 46 | meta.setAuthor(getInfoTag(in, "AUTHOR")); |
| 47 | meta.setDate(getInfoTag(in, "DATE")); |
| 48 | meta.setTags(getInfoTagList(in, "TAGS", ",")); |
| 49 | meta.setSource(getInfoTag(in, "SOURCE")); |
| 50 | meta.setUrl(getInfoTag(in, "URL")); |
| 51 | meta.setPublisher(getInfoTag(in, "PUBLISHER")); |
| 52 | meta.setUuid(getInfoTag(in, "UUID")); |
| 53 | meta.setLuid(getInfoTag(in, "LUID")); |
| 54 | meta.setLang(getInfoTag(in, "LANG")); |
| 55 | meta.setSubject(getInfoTag(in, "SUBJECT")); |
| 56 | meta.setType(getInfoTag(in, "TYPE")); |
| 57 | meta.setImageDocument(getInfoTagBoolean(in, "IMAGES_DOCUMENT", false)); |
| 58 | if (withCover) { |
| 59 | String infoTag = getInfoTag(in, "COVER"); |
| 60 | if (infoTag != null && !infoTag.trim().isEmpty()) { |
| 61 | meta.setCover(BasicSupportHelper.getImage(null, sourceInfoFile, |
| 62 | infoTag)); |
| 63 | } |
| 64 | // Second chance: try to check for a cover next to the info file |
| 65 | if (meta.getCover() == null) { |
| 66 | String info = sourceInfoFile.getFile().toString(); |
| 67 | if (info.endsWith(".info")) { |
| 68 | info = info.substring(0, info.length() - ".info".length()); |
| 69 | String ext = "." |
| 70 | + Instance.getConfig() |
| 71 | .getString(Config.IMAGE_FORMAT_COVER) |
| 72 | .toLowerCase(); |
| 73 | meta.setCover(BasicSupportHelper.getImage(null, |
| 74 | sourceInfoFile, info + ext)); |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | try { |
| 79 | meta.setWords(Long.parseLong(getInfoTag(in, "WORDCOUNT"))); |
| 80 | } catch (NumberFormatException e) { |
| 81 | meta.setWords(0); |
| 82 | } |
| 83 | meta.setCreationDate(getInfoTag(in, "CREATION_DATE")); |
| 84 | meta.setFakeCover(Boolean.parseBoolean(getInfoTag(in, "FAKE_COVER"))); |
| 85 | |
| 86 | if (withCover && meta.getCover() == null) { |
| 87 | meta.setCover(BasicSupportHelper.getDefaultCover(meta.getSubject())); |
| 88 | } |
| 89 | |
| 90 | return meta; |
| 91 | } |
| 92 | |
| 93 | private static boolean getInfoTagBoolean(InputStream in, String key, |
| 94 | boolean def) throws IOException { |
| 95 | Boolean value = getInfoTagBoolean(in, key); |
| 96 | return value == null ? def : value; |
| 97 | } |
| 98 | |
| 99 | private static Boolean getInfoTagBoolean(InputStream in, String key) |
| 100 | throws IOException { |
| 101 | String value = getInfoTag(in, key); |
| 102 | if (value != null && !value.trim().isEmpty()) { |
| 103 | value = value.toLowerCase().trim(); |
| 104 | return value.equals("1") || value.equals("on") |
| 105 | || value.equals("true") || value.equals("yes"); |
| 106 | } |
| 107 | |
| 108 | return null; |
| 109 | } |
| 110 | |
| 111 | private static List<String> getInfoTagList(InputStream in, String key, |
| 112 | String separator) throws IOException { |
| 113 | List<String> list = new ArrayList<String>(); |
| 114 | String tt = getInfoTag(in, key); |
| 115 | if (tt != null) { |
| 116 | for (String tag : tt.split(separator)) { |
| 117 | list.add(tag.trim()); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | return list; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Return the value of the given tag in the <tt>.info</tt> file if present. |
| 126 | * |
| 127 | * @param key |
| 128 | * the tag key |
| 129 | * |
| 130 | * @return the value or NULL |
| 131 | * |
| 132 | * @throws IOException |
| 133 | * in case of I/O error |
| 134 | */ |
| 135 | private static String getInfoTag(InputStream in, String key) |
| 136 | throws IOException { |
| 137 | key = "^" + key + "="; |
| 138 | |
| 139 | if (in != null) { |
| 140 | in.reset(); |
| 141 | String value = getLine(in, key, 0); |
| 142 | if (value != null && !value.isEmpty()) { |
| 143 | value = value.trim().substring(key.length() - 1).trim(); |
| 144 | if (value.startsWith("'") && value.endsWith("'") |
| 145 | || value.startsWith("\"") && value.endsWith("\"")) { |
| 146 | value = value.substring(1, value.length() - 1).trim(); |
| 147 | } |
| 148 | |
| 149 | return value; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | return null; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Return the first line from the given input which correspond to the given |
| 158 | * selectors. |
| 159 | * |
| 160 | * @param in |
| 161 | * the input |
| 162 | * @param needle |
| 163 | * a string that must be found inside the target line (also |
| 164 | * supports "^" at start to say "only if it starts with" the |
| 165 | * needle) |
| 166 | * @param relativeLine |
| 167 | * the line to return based upon the target line position (-1 = |
| 168 | * the line before, 0 = the target line...) |
| 169 | * |
| 170 | * @return the line |
| 171 | */ |
| 172 | static private String getLine(InputStream in, String needle, |
| 173 | int relativeLine) { |
| 174 | return getLine(in, needle, relativeLine, true); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Return a line from the given input which correspond to the given |
| 179 | * selectors. |
| 180 | * |
| 181 | * @param in |
| 182 | * the input |
| 183 | * @param needle |
| 184 | * a string that must be found inside the target line (also |
| 185 | * supports "^" at start to say "only if it starts with" the |
| 186 | * needle) |
| 187 | * @param relativeLine |
| 188 | * the line to return based upon the target line position (-1 = |
| 189 | * the line before, 0 = the target line...) |
| 190 | * @param first |
| 191 | * takes the first result (as opposed to the last one, which will |
| 192 | * also always spend the input) |
| 193 | * |
| 194 | * @return the line |
| 195 | */ |
| 196 | static private String getLine(InputStream in, String needle, |
| 197 | int relativeLine, boolean first) { |
| 198 | String rep = null; |
| 199 | |
| 200 | List<String> lines = new ArrayList<String>(); |
| 201 | @SuppressWarnings("resource") |
| 202 | Scanner scan = new Scanner(in, "UTF-8"); |
| 203 | int index = -1; |
| 204 | scan.useDelimiter("\\n"); |
| 205 | while (scan.hasNext()) { |
| 206 | lines.add(scan.next()); |
| 207 | |
| 208 | if (index == -1) { |
| 209 | if (needle.startsWith("^")) { |
| 210 | if (lines.get(lines.size() - 1).startsWith( |
| 211 | needle.substring(1))) { |
| 212 | index = lines.size() - 1; |
| 213 | } |
| 214 | |
| 215 | } else { |
| 216 | if (lines.get(lines.size() - 1).contains(needle)) { |
| 217 | index = lines.size() - 1; |
| 218 | } |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | if (index >= 0 && index + relativeLine < lines.size()) { |
| 223 | rep = lines.get(index + relativeLine); |
| 224 | if (first) { |
| 225 | break; |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | return rep; |
| 231 | } |
| 232 | } |