/** * Copy from the copy method in StructUtil. Did not want to drag that code in. maybe this actually * should go to struct. * * @param from * @param to * @param excludes * @return * @throws Exception */ public static <T extends struct> T xcopy(struct from, T to, String... excludes) throws Exception { Arrays.sort(excludes); for (Field f : from.fields()) { if (Arrays.binarySearch(excludes, f.getName()) >= 0) continue; Object o = f.get(from); if (o == null) continue; Field tof = to.getField(f.getName()); if (tof != null) try { tof.set(to, Converter.cnv(tof.getGenericType(), o)); } catch (Exception e) { System.out.println( "Failed to convert " + f.getName() + " from " + from.getClass() + " to " + to.getClass() + " value " + o + " exception " + e); } } return to; }
private int compare(Revision a, Revision b) { if (Arrays.equals(a._id, b._id)) return 0; Version va = getVersion(a); Version vb = getVersion(b); int n = va.compareTo(vb); if (n != 0) return n; if (a.created != b.created) return a.created > b.created ? 1 : -1; for (int i = 0; i < a._id.length; i++) if (a._id[i] != b._id[i]) return a._id[i] > b._id[i] ? 1 : -1; return 0; }
public String verify(JarFile jar, String... algorithms) throws IOException { if (algorithms == null || algorithms.length == 0) algorithms = new String[] {"MD5", "SHA"}; else if (algorithms.length == 1 && algorithms[0].equals("-")) return null; try { Manifest m = jar.getManifest(); if (m.getEntries().isEmpty()) return "No name sections"; for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements(); ) { JarEntry je = e.nextElement(); if (MANIFEST_ENTRY.matcher(je.getName()).matches()) continue; Attributes nameSection = m.getAttributes(je.getName()); if (nameSection == null) return "No name section for " + je.getName(); for (String algorithm : algorithms) { try { MessageDigest md = MessageDigest.getInstance(algorithm); String expected = nameSection.getValue(algorithm + "-Digest"); if (expected != null) { byte digest[] = Base64.decodeBase64(expected); copy(jar.getInputStream(je), md); if (!Arrays.equals(digest, md.digest())) return "Invalid digest for " + je.getName() + ", " + expected + " != " + Base64.encodeBase64(md.digest()); } else reporter.error("could not find digest for " + algorithm + "-Digest"); } catch (NoSuchAlgorithmException nsae) { return "Missing digest algorithm " + algorithm; } } } } catch (Exception e) { return "Failed to verify due to exception: " + e.getMessage(); } return null; }