|
4 | 4 | import java.io.FileWriter; |
5 | 5 | import java.time.LocalDate; |
6 | 6 | import java.time.Instant; |
| 7 | +import java.util.ArrayList; |
| 8 | +import java.util.HashMap; |
| 9 | +import java.util.List; |
| 10 | +import java.util.Map; |
| 11 | +import javax.xml.parsers.DocumentBuilderFactory; |
| 12 | +import org.w3c.dom.Element; |
| 13 | +import org.w3c.dom.NodeList; |
7 | 14 |
|
8 | 15 | /** |
9 | 16 | * XML fallback store — appends records to db/fallback/YYYY-MM-DD/N21.xml |
@@ -58,4 +65,155 @@ private static String esc(String s) |
58 | 65 | if (s == null) return ""; |
59 | 66 | return s.replace("&", "&").replace("<", "<").replace(">", ">").replace("\"", """); |
60 | 67 | } |
| 68 | + |
| 69 | + // ── Replay on reboot ────────────────────────────────────────────────────── |
| 70 | + |
| 71 | + /** |
| 72 | + * Called at startup. Scans every XML fallback file under db/fallback/, |
| 73 | + * replays any table=national_finance_ids records into MySQL, then removes |
| 74 | + * successfully replayed records from the XML so they are not re-sent. |
| 75 | + */ |
| 76 | + public static void replayFallback() |
| 77 | + { |
| 78 | + File root = new File("db/fallback"); |
| 79 | + if (!root.exists()) return; |
| 80 | + |
| 81 | + for (File dayDir : listDirs(root)) |
| 82 | + { |
| 83 | + File xml = new File(dayDir, "N21.xml"); |
| 84 | + if (!xml.exists() || xml.length() == 0) continue; |
| 85 | + |
| 86 | + // Close the XML so it is well-formed for parsing |
| 87 | + ensureClosed(xml); |
| 88 | + |
| 89 | + List<Element> replayed = new ArrayList<>(); |
| 90 | + List<Element> remaining = new ArrayList<>(); |
| 91 | + |
| 92 | + try |
| 93 | + { |
| 94 | + org.w3c.dom.Document doc = DocumentBuilderFactory.newInstance() |
| 95 | + .newDocumentBuilder().parse(xml); |
| 96 | + |
| 97 | + NodeList records = doc.getElementsByTagName("record"); |
| 98 | + |
| 99 | + for (int i = 0; i < records.getLength(); i++) |
| 100 | + { |
| 101 | + Element rec = (Element) records.item(i); |
| 102 | + String table = rec.getAttribute("table"); |
| 103 | + |
| 104 | + if ("national_finance_ids".equals(table)) |
| 105 | + { |
| 106 | + national.NationalFinanceID n = fromElement(rec); |
| 107 | + boolean ok = tryStore(n); |
| 108 | + if (ok) replayed.add(rec); else remaining.add(rec); |
| 109 | + } |
| 110 | + else |
| 111 | + { |
| 112 | + remaining.add(rec); |
| 113 | + } |
| 114 | + } |
| 115 | + } |
| 116 | + catch (Exception e) |
| 117 | + { |
| 118 | + System.err.println("[N21XmlFallback] replay parse error: " + e.getMessage()); |
| 119 | + continue; |
| 120 | + } |
| 121 | + |
| 122 | + if (replayed.isEmpty()) continue; |
| 123 | + |
| 124 | + // Rewrite the file keeping only un-replayed records |
| 125 | + rewrite(xml, remaining); |
| 126 | + |
| 127 | + System.out.println("[N21XmlFallback] replayed " + replayed.size() |
| 128 | + + " national_finance_ids record(s) from " + xml.getPath()); |
| 129 | + } |
| 130 | + } |
| 131 | + |
| 132 | + // ── replay helpers ──────────────────────────────────────────────────────── |
| 133 | + |
| 134 | + private static boolean tryStore(national.NationalFinanceID n) |
| 135 | + { |
| 136 | + try |
| 137 | + { |
| 138 | + N21Store.storeNationalFinanceID(n); |
| 139 | + // storeNationalFinanceID only falls through to XML on failure; |
| 140 | + // if it threw, the catch below will return false. |
| 141 | + return true; |
| 142 | + } |
| 143 | + catch (Exception e) |
| 144 | + { |
| 145 | + System.err.println("[N21XmlFallback] replay store failed for national_id=" |
| 146 | + + n.nationalId + ": " + e.getMessage()); |
| 147 | + return false; |
| 148 | + } |
| 149 | + } |
| 150 | + |
| 151 | + private static national.NationalFinanceID fromElement(Element rec) |
| 152 | + { |
| 153 | + national.NationalFinanceID n = new national.NationalFinanceID(); |
| 154 | + n.nationalId = parseLong(child(rec, "national_id")); |
| 155 | + n.remoteAddress = child(rec, "remote_address"); |
| 156 | + n.iq = parseInt(child(rec, "iq")); |
| 157 | + n.educationLevel = child(rec, "education_level"); |
| 158 | + n.socialSkills = parseInt(child(rec, "social_skills")); |
| 159 | + n.equipment = child(rec, "equipment"); |
| 160 | + n.trustLevel = parseInt(child(rec, "trust_level")); |
| 161 | + n.parentOne = child(rec, "parent_one"); |
| 162 | + n.parentTwo = child(rec, "parent_two"); |
| 163 | + n.suspects = child(rec, "suspects"); |
| 164 | + n.socialSpotting = child(rec, "social_spotting"); |
| 165 | + n.promissoryNote = parseDouble(child(rec, "promissory_note")); |
| 166 | + return n; |
| 167 | + } |
| 168 | + |
| 169 | + private static void rewrite(File xml, List<Element> keep) |
| 170 | + { |
| 171 | + try (FileWriter fw = new FileWriter(xml, false)) |
| 172 | + { |
| 173 | + fw.write("<N21>\n"); |
| 174 | + for (Element rec : keep) |
| 175 | + { |
| 176 | + fw.write(" <record table=\"" + rec.getAttribute("table") |
| 177 | + + "\" ts=\"" + rec.getAttribute("ts") + "\">\n"); |
| 178 | + NodeList children = rec.getChildNodes(); |
| 179 | + for (int i = 0; i < children.getLength(); i++) |
| 180 | + { |
| 181 | + if (children.item(i) instanceof Element child) |
| 182 | + fw.write(" <" + child.getTagName() + ">" |
| 183 | + + child.getTextContent() |
| 184 | + + "</" + child.getTagName() + ">\n"); |
| 185 | + } |
| 186 | + fw.write(" </record>\n"); |
| 187 | + } |
| 188 | + } |
| 189 | + catch (Exception e) |
| 190 | + { |
| 191 | + System.err.println("[N21XmlFallback] rewrite failed: " + e.getMessage()); |
| 192 | + } |
| 193 | + } |
| 194 | + |
| 195 | + /** Appends </N21> if missing so the file is parseable. */ |
| 196 | + private static void ensureClosed(File xml) |
| 197 | + { |
| 198 | + try |
| 199 | + { |
| 200 | + String content = new String(java.nio.file.Files.readAllBytes(xml.toPath())); |
| 201 | + if (!content.trim().endsWith("</N21>")) |
| 202 | + { |
| 203 | + try (FileWriter fw = new FileWriter(xml, true)) { fw.write("</N21>\n"); } |
| 204 | + } |
| 205 | + } |
| 206 | + catch (Exception ignored) {} |
| 207 | + } |
| 208 | + |
| 209 | + private static File[] listDirs(File root) |
| 210 | + { |
| 211 | + File[] dirs = root.listFiles(File::isDirectory); |
| 212 | + return dirs != null ? dirs : new File[0]; |
| 213 | + } |
| 214 | + |
| 215 | + private static String child(Element e, String tag) { NodeList nl = e.getElementsByTagName(tag); return nl.getLength() > 0 ? nl.item(0).getTextContent().trim() : ""; } |
| 216 | + private static long parseLong(String s) { try { return Long.parseLong(s); } catch (Exception e) { return 0L; } } |
| 217 | + private static int parseInt(String s) { try { return Integer.parseInt(s); } catch (Exception e) { return 0; } } |
| 218 | + private static double parseDouble(String s) { try { return Double.parseDouble(s); } catch (Exception e) { return 0.0; } } |
61 | 219 | } |
0 commit comments