Esempio n. 1
0
  private boolean unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry, String name)
      throws IOException, FileNotFoundException {
    if (fileEntry == null) fileEntry = zip.getEntry(name);
    if (fileEntry == null)
      throw new FileNotFoundException("Can't find " + name + " in " + zip.getName());

    File outFile = new File(sGREDir, name);
    if (outFile.lastModified() == fileEntry.getTime() && outFile.length() == fileEntry.getSize())
      return false;

    File dir = outFile.getParentFile();
    if (!dir.exists()) dir.mkdirs();

    InputStream fileStream;
    fileStream = zip.getInputStream(fileEntry);

    OutputStream outStream = new FileOutputStream(outFile);

    while (fileStream.available() > 0) {
      int read = fileStream.read(buf, 0, buf.length);
      outStream.write(buf, 0, read);
    }

    fileStream.close();
    outStream.close();
    outFile.setLastModified(fileEntry.getTime());
    return true;
  }
Esempio n. 2
0
  /**
   * Returns the entries of an archive.
   *
   * @param ctx query context
   * @return entries
   * @throws QueryException query exception
   */
  private Iter entries(final QueryContext ctx) throws QueryException {
    final B64 archive = (B64) checkType(checkItem(expr[0], ctx), AtomType.B64);

    final ValueBuilder vb = new ValueBuilder();
    final ArchiveIn in = ArchiveIn.get(archive.input(info), info);
    try {
      while (in.more()) {
        final ZipEntry ze = in.entry();
        if (ze.isDirectory()) continue;
        final FElem e = new FElem(Q_ENTRY, NS);
        long s = ze.getSize();
        if (s != -1) e.add(Q_SIZE, token(s));
        s = ze.getTime();
        if (s != -1) e.add(Q_LAST_MOD, new Dtm(s, info).string(info));
        s = ze.getCompressedSize();
        if (s != -1) e.add(Q_COMP_SIZE, token(s));
        e.add(ze.getName());
        vb.add(e);
      }
      return vb;
    } catch (final IOException ex) {
      Util.debug(ex);
      throw ARCH_FAIL.thrw(info, ex);
    } finally {
      in.close();
    }
  }
Esempio n. 3
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 void updateLastModifiedTime(Set<ZipEntry> zes) throws IOException {
   for (ZipEntry ze : zes) {
     long lastModified = ze.getTime();
     if (lastModified != -1) {
       File f = new File(ze.getName().replace('/', File.separatorChar));
       f.setLastModified(lastModified);
     }
   }
 }
Esempio n. 4
0
 /** Prints entry information. */
 void printEntry(ZipEntry e) throws IOException {
   if (vflag) {
     StringBuilder sb = new StringBuilder();
     String s = Long.toString(e.getSize());
     for (int i = 6 - s.length(); i > 0; --i) {
       sb.append(' ');
     }
     sb.append(s).append(' ').append(new Date(e.getTime()).toString());
     sb.append(' ').append(e.getName());
     output(sb.toString());
   } else {
     output(e.getName());
   }
 }
Esempio n. 5
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  /**
   * Extracts next entry from JAR file, creating directories as needed. If the entry is for a
   * directory which doesn't exist prior to this invocation, returns that entry, otherwise returns
   * null.
   */
  ZipEntry extractFile(InputStream is, ZipEntry e) throws IOException {
    ZipEntry rc = null;
    String name = e.getName();
    File f = new File(e.getName().replace('/', File.separatorChar));
    if (e.isDirectory()) {
      if (f.exists()) {
        if (!f.isDirectory()) {
          throw new IOException(formatMsg("error.create.dir", f.getPath()));
        }
      } else {
        if (!f.mkdirs()) {
          throw new IOException(formatMsg("error.create.dir", f.getPath()));
        } else {
          rc = e;
        }
      }

      if (vflag) {
        output(formatMsg("out.create", name));
      }
    } else {
      if (f.getParent() != null) {
        File d = new File(f.getParent());
        if (!d.exists() && !d.mkdirs() || !d.isDirectory()) {
          throw new IOException(formatMsg("error.create.dir", d.getPath()));
        }
      }
      try {
        copy(is, f);
      } finally {
        if (is instanceof ZipInputStream) ((ZipInputStream) is).closeEntry();
        else is.close();
      }
      if (vflag) {
        if (e.getMethod() == ZipEntry.DEFLATED) {
          output(formatMsg("out.inflated", name));
        } else {
          output(formatMsg("out.extracted", name));
        }
      }
    }
    if (!useExtractionTime) {
      long lastModified = e.getTime();
      if (lastModified != -1) {
        f.setLastModified(lastModified);
      }
    }
    return rc;
  }
Esempio n. 6
0
  /** Updates an existing jar file. */
  boolean update(InputStream in, OutputStream out, InputStream newManifest, JarIndex jarIndex)
      throws IOException {
    ZipInputStream zis = new ZipInputStream(in);
    ZipOutputStream zos = new JarOutputStream(out);
    ZipEntry e = null;
    boolean foundManifest = false;
    boolean updateOk = true;

    if (jarIndex != null) {
      addIndex(jarIndex, zos);
    }

    // put the old entries first, replace if necessary
    while ((e = zis.getNextEntry()) != null) {
      String name = e.getName();

      boolean isManifestEntry = equalsIgnoreCase(name, MANIFEST_NAME);

      if ((jarIndex != null && equalsIgnoreCase(name, INDEX_NAME)) || (Mflag && isManifestEntry)) {
        continue;
      } else if (isManifestEntry && ((newManifest != null) || (ename != null) || (pname != null))) {
        foundManifest = true;
        if (newManifest != null) {
          // Don't read from the newManifest InputStream, as we
          // might need it below, and we can't re-read the same data
          // twice.
          FileInputStream fis = new FileInputStream(mname);
          boolean ambiguous = isAmbiguousMainClass(new Manifest(fis));
          fis.close();
          if (ambiguous) {
            return false;
          }
        }

        // Update the manifest.
        Manifest old = new Manifest(zis);
        if (newManifest != null) {
          old.read(newManifest);
        }
        if (!updateManifest(old, zos)) {
          return false;
        }
      } else {
        if (!entryMap.containsKey(name)) { // copy the old stuff
          // do our own compression
          ZipEntry e2 = new ZipEntry(name);
          e2.setMethod(e.getMethod());
          e2.setTime(e.getTime());
          e2.setComment(e.getComment());
          e2.setExtra(e.getExtra());
          if (e.getMethod() == ZipEntry.STORED) {
            e2.setSize(e.getSize());
            e2.setCrc(e.getCrc());
          }
          zos.putNextEntry(e2);
          copy(zis, zos);
        } else { // replace with the new files
          File f = entryMap.get(name);
          addFile(zos, f);
          entryMap.remove(name);
          entries.remove(f);
        }
      }
    }

    // add the remaining new files
    for (File f : entries) {
      addFile(zos, f);
    }
    if (!foundManifest) {
      if (newManifest != null) {
        Manifest m = new Manifest(newManifest);
        updateOk = !isAmbiguousMainClass(m);
        if (updateOk) {
          if (!updateManifest(m, zos)) {
            updateOk = false;
          }
        }
      } else if (ename != null || pname != null) {
        if (!updateManifest(new Manifest(), zos)) {
          updateOk = false;
        }
      }
    }
    zis.close();
    zos.close();
    return updateOk;
  }