Application: gvSIG desktop

//    private static final int BUFFER = 2048;

    public void compressPluginAsPackageSet(File file, String fileName,

        OutputStream os) throws MakePluginPackageServiceException {

        List<File> files = new ArrayList<File>();

        List<String> fileNames = new ArrayList<String>();

        files.add(file);

        fileNames.add(fileName);

        compressPluginsAsPackageSet(files, fileNames, os);

    }

    public void compressPluginsAsPackageSet(File directory, OutputStream os)

        throws MakePluginPackageServiceException {

        File[] files = directory.listFiles();

        List<File> filesArray = new ArrayList<File>();

        List<String> fileNamesArray = new ArrayList<String>();

        for (int i = 0; i < files.length; i++) {

            filesArray.add(files[i]);

            fileNamesArray.add(files[i].getName());

        }

        compressPluginsAsPackageSet(filesArray, fileNamesArray, os);

    }

    public void compressPluginsAsPackageSet(List<File> files,

        List<String> fileNames, OutputStream os)

        throws MakePluginPackageServiceException {

        try {

            ZipOutputStream zos =

                new ZipOutputStream(new BufferedOutputStream(os));

            for (int i = 0; i < files.size(); i++) {

                ZipEntry zipEntry = new ZipEntry(fileNames.get(i));

                zos.putNextEntry(zipEntry);

                compressPluginFiles(files.get(i), zos);

                zos.closeEntry();

            }

            zos.close();

        } catch (Exception e) {

            throw new MakePluginPackageServiceException(

                "Error compressing as package set the plugin files: " + files,

                e);

        }

    }

    public void compressPluginAsPackage(File folder, OutputStream os)

        throws MakePluginPackageServiceException {

        ZipOutputStream zos = new ZipOutputStream(os);

        try {

            int parentFileLenght = folder.getParentFile().toString().length();

            compressPluginFile(folder, parentFileLenght, zos);

            zos.flush();

            zos.close();

        } catch (IOException e) {

            throw new MakePluginPackageServiceException(

                "Error compressing as package the plugin folder: " + folder, e);

        }

    }

    public void compressPluginAsPackageIndex(File folder, OutputStream os)

        throws MakePluginPackageServiceException {

        ZipOutputStream zos = new ZipOutputStream(os);

        try {

            int parentFileLength = folder.getParentFile().toString().length();

            String folderName =

                folder.toString()

                    .substring(parentFileLength + 1, folder.toString().length());

            File infoFile =

                new File(folder, getPackageInfoFileName() + ".index");

            if( !infoFile.exists() ) {

                infoFile = new File(folder, getPackageInfoFileName());

            }

            byte[] buf = new byte[1024];

            int len;

            ZipEntry zipEntry =

                new ZipEntry(folderName + File.separator

                    + getPackageInfoFileName());

            zos.putNextEntry(zipEntry);

            FileInputStream fin = new FileInputStream(infoFile);

            BufferedInputStream in = new BufferedInputStream(fin);

            while ((len = in.read(buf)) >= 0) {

                zos.write(buf, 0, len);

            }

            in.close();

            zos.closeEntry();

            zos.flush();

            zos.close();

        } catch (IOException e) {

            throw new MakePluginPackageServiceException(

                "Error compressing as package index the plugin folder: "

                    + folder, e);

        }

    }

    private void compressPluginFiles(File fileOrFolder, ZipOutputStream zos)

        throws IOException {

        int parentFileLenght = fileOrFolder.getParentFile().toString().length();

        ZipOutputStream zosPlugin = new ZipOutputStream(zos);

        compressPluginFile(fileOrFolder, parentFileLenght, zosPlugin);

        zosPlugin.finish();

    }

    private void compressPluginFile(File file, int parenFileLength,

        ZipOutputStream zosPlugin) throws IOException {

        String fileName =

            file.toString()

                .substring(parenFileLength, file.toString().length());

        if (File.separatorChar != '/') {

            fileName = fileName.replace(File.separatorChar, '/');

        }

        if (file.isDirectory()) {

            // Remove the subversion folders

            if (!file.getName().toUpperCase().equals(".SVN")) {

                // Adding the files

                String[] fileNames = file.list();

                if (fileNames != null) {

                    for (int i = 0; i < fileNames.length; i++) {

                        compressPluginFile(new File(file, fileNames[i]),

                            parenFileLength, zosPlugin);

                    }

                }

            }

        } else {

            byte[] buf = new byte[1024];

            int len;

            ZipEntry zipEntry = new ZipEntry(fileName);

            zosPlugin.putNextEntry(zipEntry);

            FileInputStream fin = new FileInputStream(file);

            BufferedInputStream in = new BufferedInputStream(fin);

            while ((len = in.read(buf)) >= 0) {

                zosPlugin.write(buf, 0, len);

            }

            in.close();

            zosPlugin.closeEntry();

        }

    }

    private String getPackageInfoFileName() {

        return InstallerProviderLocator.getProviderManager()

            .getPackageInfoFileName();

    }