Bug 83369 [Import/Export] Unused manifest file generation code in ZipFileExporter
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/ZipFileExporter.java
n = in.read(readBuffer);
        }
        contentStream.close();
        fileContents = buffer.toString().getBytes();
        try {
            byte[] hashValue = MessageDigest
                    .getInstance("SHA").digest(fileContents);
            manifestEntry.append(Base64Encoder.encode(hashValue));
            manifestEntry.append(newline);
            manifestEntry.append(md5Label);
            hashValue = MessageDigest.getInstance("MD5").digest(fileContents);
            manifestEntry.append(Base64Encoder.encode(hashValue));
            manifestEntry.append(newline + newline);
        } catch (NoSuchAlgorithmException e) {
            
            return;
        }
        manifestContents.append(manifestEntry.toString());
    }
    /**
     *	Do all required cleanup now that we're finished with the
     *	currently-open .zip
     *
     *	@exception java.io.IOException
     */
    public void finished() throws IOException {
        if (generateManifestFile)
            writeManifestFile();
        outputStream.close();
    }