protected void load(String filename, InputStream in) {
    Logger.getLogger(getClass()).debug("Starting group in stream " + filename);

    ZipInputStream zipfile = null;
    try {
      zipfile = new ZipInputStream(in);

      fireBeginGroup(filename, -1);

      Logger.getLogger(getClass()).debug("Loading ZipInputStream " + filename);
      load(zipfile);
      Logger.getLogger(getClass()).debug("Loaded ZipInputStream " + filename);

      fireEndGroup(filename);
    } catch (IOException ex) {
      Logger.getLogger(getClass()).error("Cannot load Zip file \"" + filename + "\"", ex);
    } finally {
      if (zipfile != null) {
        try {
          zipfile.close();
        } catch (IOException ex) {
          // Ignore
        }
      }
    }
  }
  /**
   * Loop through the ZIP file, copying its entries into a new, temporary ZIP file, skipping the
   * entry to be deleted. Then replace the original file with the new one.
   */
  protected Integer deleteEntry() throws XMLDataStoreException {
    try {
      ZipInputStream inStream = this.buildZipInputStream();
      File outFile = this.buildTempFile();
      ZipOutputStream outStream = new ZipOutputStream(new FileOutputStream(outFile));

      byte[] buffer = new byte[32768];
      int inCount = 0;
      int outCount = 0;

      // copy all the entries except the one to be deleted
      ZipEntry entry = inStream.getNextEntry();
      while (entry != null) {
        inCount++;
        if (!this.getZipEntryName().equals(entry.getName())) {
          outCount++;
          outStream.putNextEntry(entry);
          int byteCount;
          while ((byteCount = inStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, byteCount);
          }
          outStream.closeEntry();
        }
        entry = inStream.getNextEntry();
      }
      inStream.close();
      if (outCount == 0) {
        // add a dummy record to an empty file so we can close it
        // this is required by ZipOutputStream
        outStream.putNextEntry(new ZipEntry("delete.txt"));
        outStream.write(
            "This file is a place-holder. The containing ZIP file should be deleted.".getBytes());
        outStream.closeEntry();
      }
      outStream.close();
      if (outCount == inCount) {
        // no entries were removed - just delete the temp file
        outFile.delete();
      } else {
        // at least one entry removed - delete the original file
        this.getFile().delete();
        if (outCount == 0) {
          // NO entries remain - just delete the temp file too
          outFile.delete();
        } else {
          // entries remain - replace original file with temp file
          outFile.renameTo(this.getFile());
        }
      }
      return new Integer(inCount - outCount); // should be 0 or 1
    } catch (IOException ex) {
      throw XMLDataStoreException.ioException(ex);
    }
  }
  /**
   * Rename the ZIP file to a temporary file, then copy its entries back into the original ZIP file,
   * leaving the stream open and returning it.
   */
  protected Writer buildWriteStream(boolean entryShouldExist) throws XMLDataStoreException {
    try {
      File inFile = this.buildTempFile();
      inFile.delete(); // the file actually gets created - delete it
      boolean renameSucceeded = this.getFile().renameTo(inFile);
      ZipInputStream inStream = this.buildZipInputStream(inFile);
      ZipOutputStream outStream = this.buildZipOutputStream();

      boolean entryActuallyExists = false;
      byte[] buffer = new byte[32768];
      ZipEntry entry = inStream.getNextEntry();
      while (entry != null) {
        boolean weWantToWriteTheEntry = true;
        if (this.getZipEntryName().equals(entry.getName())) {
          entryActuallyExists = true;

          // if we were expecting the entry, skip it;
          // if we were NOT expecting the entry, allow it to be rewritten
          // so the file is restored to its original condition
          if (entryShouldExist) {
            weWantToWriteTheEntry = false;
          }
        }
        if (weWantToWriteTheEntry) {
          outStream.putNextEntry(entry);
          int byteCount;
          while ((byteCount = inStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, byteCount);
          }
          outStream.closeEntry();
        }
        entry = inStream.getNextEntry();
      }

      // close and delete the temporary file
      inStream.close();
      inFile.delete();
      // check for invalid state
      if (entryShouldExist != entryActuallyExists) {
        outStream.close(); // close it since we will not be returning it
        // need more helpful exceptions here
        if (entryActuallyExists) {
          throw XMLDataStoreException.fileAlreadyExists(new File(this.getZipEntryName()));
        } else {
          throw XMLDataStoreException.fileNotFound(new File(this.getZipEntryName()), null);
        }
      }
      outStream.putNextEntry(new ZipEntry(this.getZipEntryName()));
      return new OutputStreamWriter(outStream);
    } catch (IOException ex) {
      throw XMLDataStoreException.ioException(ex);
    }
  }
  /**
   * Puts the uninstaller.
   *
   * @exception Exception Description of the Exception
   */
  private void putUninstaller() throws Exception {
    // Me make the .uninstaller directory
    String dest = translatePath("$INSTALL_PATH") + File.separator + "Uninstaller";
    String jar = dest + File.separator + "uninstaller.jar";
    File pathMaker = new File(dest);
    pathMaker.mkdirs();

    // We log the uninstaller deletion information
    UninstallData udata = UninstallData.getInstance();
    udata.setUninstallerJarFilename(jar);
    udata.setUninstallerPath(dest);

    // We open our final jar file
    FileOutputStream out = new FileOutputStream(jar);
    ZipOutputStream outJar = new ZipOutputStream(out);
    idata.uninstallOutJar = outJar;
    outJar.setLevel(9);
    udata.addFile(jar);

    // We copy the uninstaller
    InputStream in = getClass().getResourceAsStream("/res/IzPack.uninstaller");
    ZipInputStream inRes = new ZipInputStream(in);
    ZipEntry zentry = inRes.getNextEntry();
    while (zentry != null) {
      // Puts a new entry
      outJar.putNextEntry(new ZipEntry(zentry.getName()));

      // Byte to byte copy
      int unc = inRes.read();
      while (unc != -1) {
        outJar.write(unc);
        unc = inRes.read();
      }

      // Next one please
      inRes.closeEntry();
      outJar.closeEntry();
      zentry = inRes.getNextEntry();
    }
    inRes.close();

    // We put the langpack
    in = getClass().getResourceAsStream("/langpacks/" + idata.localeISO3 + ".xml");
    outJar.putNextEntry(new ZipEntry("langpack.xml"));
    int read = in.read();
    while (read != -1) {
      outJar.write(read);
      read = in.read();
    }
    outJar.closeEntry();
  }
 /** Return the specified ZIP file entry wrapped in a stream. */
 protected Reader buildReadStream(String readZipEntryName) throws XMLDataStoreException {
   try {
     ZipInputStream inStream = this.buildZipInputStream();
     ZipEntry entry = inStream.getNextEntry();
     while (entry != null) {
       if (readZipEntryName.equals(entry.getName())) {
         return new InputStreamReader(inStream);
       }
       entry = inStream.getNextEntry();
     }
     inStream.close();
   } catch (IOException ex) {
     throw XMLDataStoreException.ioException(ex);
   }
   return null;
 }
Esempio n. 6
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 public static byte [] unzipBytes(byte [] bs, Compression cmp) {
   InputStream is = null;
   int off = 0;
   try {
     switch(cmp) {
     case NONE: // No compression
       return bs;
     case ZIP: {
       ZipInputStream zis = new ZipInputStream(new ByteArrayInputStream(bs));
       ZipEntry ze = zis.getNextEntry(); // Get the *FIRST* entry
       // There is at least one entry in zip file and it is not a directory.
       if( ze != null && !ze.isDirectory() ) {
         is = zis;
         break;
       }
       zis.close();
       return bs; // Don't crash, ignore file if cannot unzip
     }
     case GZIP:
       is = new GZIPInputStream(new ByteArrayInputStream(bs));
       break;
     default:
       assert false:"cmp = " + cmp;
     }
     // If reading from a compressed stream, estimate we can read 2x uncompressed
     assert( is != null ):"is is NULL, cmp = " + cmp;
     bs = new byte[bs.length * 2];
     // Now read from the (possibly compressed) stream
     while( off < bs.length ) {
       int len = is.read(bs, off, bs.length - off);
       if( len < 0 )
         break;
       off += len;
       if( off == bs.length ) { // Dataset is uncompressing alot! Need more space...
         if( bs.length >= ValueArray.CHUNK_SZ )
           break; // Already got enough
         bs = Arrays.copyOf(bs, bs.length * 2);
       }
     }
   } catch( IOException ioe ) { // Stop at any io error
     Log.err(ioe);
   } finally {
     Utils.close(is);
   }
   return bs;
 }
Esempio n. 7
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  /** 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;
  }