Ejemplo n.º 1
0
 private void setSizesAndOffsetFromZip64Extra(
     final ZipEntry ze, final OffsetEntry offset, final int diskStart) throws IOException {
   final Zip64ExtendedInformationExtraField z64 =
       (Zip64ExtendedInformationExtraField)
           ze.getExtraField(Zip64ExtendedInformationExtraField.HEADER_ID);
   if (z64 != null) {
     final boolean hasUncompressedSize = ze.getSize() == 4294967295L;
     final boolean hasCompressedSize = ze.getCompressedSize() == 4294967295L;
     final boolean hasRelativeHeaderOffset = offset.headerOffset == 4294967295L;
     z64.reparseCentralDirectoryData(
         hasUncompressedSize, hasCompressedSize, hasRelativeHeaderOffset, diskStart == 65535);
     if (hasUncompressedSize) {
       ze.setSize(z64.getSize().getLongValue());
     } else if (hasCompressedSize) {
       z64.setSize(new ZipEightByteInteger(ze.getSize()));
     }
     if (hasCompressedSize) {
       ze.setCompressedSize(z64.getCompressedSize().getLongValue());
     } else if (hasUncompressedSize) {
       z64.setCompressedSize(new ZipEightByteInteger(ze.getCompressedSize()));
     }
     if (hasRelativeHeaderOffset) {
       offset.headerOffset = z64.getRelativeHeaderOffset().getLongValue();
     }
   }
 }
Ejemplo n.º 2
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;
  }
  protected void load(ZipFile zipfile) throws IOException {
    Enumeration entries = zipfile.entries();
    while (entries.hasMoreElements()) {
      ZipEntry entry = (ZipEntry) entries.nextElement();

      fireBeginFile(entry.getName());

      Logger.getLogger(getClass())
          .debug("Starting file " + entry.getName() + " (" + entry.getSize() + " bytes)");

      byte[] bytes = null;
      InputStream in = null;
      try {
        in = zipfile.getInputStream(entry);
        bytes = readBytes(in);
      } finally {
        if (in != null) {
          try {
            in.close();
          } catch (IOException ex) {
            // Ignore
          }
        }
      }

      Logger.getLogger(getClass())
          .debug("Passing up file " + entry.getName() + " (" + bytes.length + " bytes)");
      getLoader().load(entry.getName(), new ByteArrayInputStream(bytes));

      fireEndFile(entry.getName());
    }
  }
Ejemplo n.º 4
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();
    }
  }
Ejemplo n.º 5
0
  /** Adds a new file entry to the ZIP output stream. */
  void addFile(ZipOutputStream zos, File file) throws IOException {
    String name = file.getPath();
    boolean isDir = file.isDirectory();
    if (isDir) {
      name = name.endsWith(File.separator) ? name : (name + File.separator);
    }
    name = entryName(name);

    if (name.equals("") || name.equals(".") || name.equals(zname)) {
      return;
    } else if ((name.equals(MANIFEST_DIR) || name.equals(MANIFEST_NAME)) && !Mflag) {
      if (vflag) {
        output(formatMsg("out.ignore.entry", name));
      }
      return;
    }

    long size = isDir ? 0 : file.length();

    if (vflag) {
      out.print(formatMsg("out.adding", name));
    }
    ZipEntry e = new ZipEntry(name);
    e.setTime(file.lastModified());
    if (size == 0) {
      e.setMethod(ZipEntry.STORED);
      e.setSize(0);
      e.setCrc(0);
    } else if (flag0) {
      crc32File(e, file);
    }
    zos.putNextEntry(e);
    if (!isDir) {
      copy(file, zos);
    }
    zos.closeEntry();
    /* report how much compression occurred. */
    if (vflag) {
      size = e.getSize();
      long csize = e.getCompressedSize();
      out.print(formatMsg2("out.size", String.valueOf(size), String.valueOf(csize)));
      if (e.getMethod() == ZipEntry.DEFLATED) {
        long ratio = 0;
        if (size != 0) {
          ratio = ((size - csize) * 100) / size;
        }
        output(formatMsg("out.deflated", String.valueOf(ratio)));
      } else {
        output(getMsg("out.stored"));
      }
    }
  }
Ejemplo n.º 6
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());
   }
 }
  protected void load(ZipInputStream in) throws IOException {
    ZipEntry entry;
    while ((entry = in.getNextEntry()) != null) {
      fireBeginFile(entry.getName());

      Logger.getLogger(getClass())
          .debug("Starting file " + entry.getName() + " (" + entry.getSize() + " bytes)");
      byte[] bytes = readBytes(in);

      Logger.getLogger(getClass())
          .debug("Passing up file " + entry.getName() + " (" + bytes.length + " bytes)");
      getLoader().load(entry.getName(), new ByteArrayInputStream(bytes));

      fireEndFile(entry.getName());
    }
  }
 /**
  * Dumps a zip entry into a string.
  *
  * @param ze a ZipEntry
  */
 private String dumpZipEntry(ZipEntry ze) {
   StringBuffer sb = new StringBuffer();
   if (ze.isDirectory()) {
     sb.append("d ");
   } else {
     sb.append("f ");
   }
   if (ze.getMethod() == ZipEntry.STORED) {
     sb.append("stored   ");
   } else {
     sb.append("defalted ");
   }
   sb.append(ze.getName());
   sb.append("\t");
   sb.append("" + ze.getSize());
   if (ze.getMethod() == ZipEntry.DEFLATED) {
     sb.append("/" + ze.getCompressedSize());
   }
   return (sb.toString());
 }
  /** initializes internal hash tables with Jar file resources. */
  private byte[] read(String name) {
    try {
      // extracts just sizes only.
      ZipFile zf = new ZipFile(jarFileName);
      Enumeration e = zf.entries();
      while (e.hasMoreElements()) {
        ZipEntry ze = (ZipEntry) e.nextElement();
        if (debugOn) {
          System.out.println(dumpZipEntry(ze));
        }
        htSizes.put(ze.getName(), new Integer((int) ze.getSize()));
      }
      zf.close();

      // extract resources and put them into the hashtable.
      FileInputStream fis = new FileInputStream(jarFileName);
      BufferedInputStream bis = new BufferedInputStream(fis);
      ZipInputStream zis = new ZipInputStream(bis);
      ZipEntry ze = null;
      while ((ze = zis.getNextEntry()) != null) {
        if (ze.isDirectory()) {
          continue;
        }
        if (debugOn) {
          System.out.println("ze.getName()=" + ze.getName() + "," + "getSize()=" + ze.getSize());
        }
        int size = (int) ze.getSize();
        // -1 means unknown size.
        if (size == -1) {
          size = ((Integer) htSizes.get(ze.getName())).intValue();
        }
        byte[] b = new byte[(int) size];
        int rb = 0;
        int chunk = 0;
        while (((int) size - rb) > 0) {
          chunk = zis.read(b, rb, (int) size - rb);
          if (chunk == -1) {
            break;
          }
          rb += chunk;
        }

        if (debugOn) {
          System.out.println(
              ze.getName() + "  rb=" + rb + ",size=" + size + ",csize=" + ze.getCompressedSize());
        }

        if (ze.getName().equals(name)) {
          return b;
        }
      }
    } catch (NullPointerException e) {
      System.out.println("done.");
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }

    return null;
  }
Ejemplo n.º 10
0
// =============================================================================
Ejemplo n.º 11
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;
  }