Example usage for java.io RandomAccessFile writeBytes

Introduction

In this page you can find the example usage for java.io RandomAccessFile writeBytes.

Prototype

@SuppressWarnings("deprecation")
public final void writeBytes(String s) throws IOException

Source Link

Document

Writes the string to the file as a sequence of bytes.

Usage

From source file:tvbrowser.ui.mainframe.MainFrame.java

@Override
public void drop(DropTargetDropEvent dtde) {
    dtde.acceptDrop(dtde.getDropAction());
    File[] files = getDragDropPlugins(dtde.getCurrentDataFlavors(), dtde.getTransferable());

    try {/* w ww  . j av a2 s  . c o  m*/
        File tmpFile = File.createTempFile("plugins", ".txt");
        StringBuilder alreadyInstalled = new StringBuilder();
        StringBuilder notCompatiblePlugins = new StringBuilder();

        for (File jarFile : files) {
            ClassLoader classLoader = null;

            try {
                URL[] urls = new URL[] { jarFile.toURI().toURL() };
                classLoader = URLClassLoader.newInstance(urls, ClassLoader.getSystemClassLoader());
            } catch (MalformedURLException exc) {

            }

            if (classLoader != null) {
                // Get the plugin name
                String pluginName = jarFile.getName();
                pluginName = pluginName.substring(0, pluginName.length() - 4);

                try {
                    String pluginId = "java." + pluginName.toLowerCase() + "." + pluginName;

                    PluginProxy installedPlugin = PluginProxyManager.getInstance().getPluginForId(pluginId);
                    TvDataServiceProxy service = TvDataServiceProxyManager.getInstance()
                            .findDataServiceById(pluginName.toLowerCase() + '.' + pluginName);

                    Class<?> pluginClass = classLoader.loadClass(pluginName.toLowerCase() + '.' + pluginName);

                    Method getVersion = pluginClass.getMethod("getVersion", new Class[0]);

                    Version version1 = null;
                    try {
                        version1 = (Version) getVersion.invoke(pluginClass, new Object[0]);
                    } catch (Throwable t1) {
                        t1.printStackTrace();
                    }

                    if (installedPlugin != null
                            && (installedPlugin.getInfo().getVersion().compareTo(version1) > 0
                                    || (installedPlugin.getInfo().getVersion().compareTo(version1) == 0
                                            && version1.isStable()))) {
                        alreadyInstalled.append(installedPlugin.getInfo().getName()).append('\n');
                    } else if (service != null && (service.getInfo().getVersion().compareTo(version1) > 0
                            || (service.getInfo().getVersion().compareTo(version1) == 0
                                    && version1.isStable()))) {
                        alreadyInstalled.append(service.getInfo().getName()).append('\n');
                    } else {
                        RandomAccessFile write = new RandomAccessFile(tmpFile, "rw");

                        String versionString = Integer.toString(version1.getMajor()) + '.'
                                + (version1.getMinor() / 10) + (version1.getMinor() % 10) + '.'
                                + version1.getSubMinor();

                        write.seek(write.length());

                        write.writeBytes("[plugin:" + pluginName + "]\n");
                        write.writeBytes("name_en=" + pluginName + "\n");
                        write.writeBytes("filename=" + jarFile.getName() + "\n");
                        write.writeBytes("version=" + versionString + "\n");
                        write.writeBytes("stable=" + version1.isStable() + "\n");
                        write.writeBytes("download=" + jarFile.toURI().toURL() + "\n");
                        write.writeBytes("category=unknown\n");

                        write.close();

                    }
                } catch (Exception e) {
                    notCompatiblePlugins.append(jarFile.getName()).append("\n");
                }
            }
        }

        if (alreadyInstalled.length() > 0) {
            showInfoTextMessage(
                    mLocalizer.msg("update.alreadyInstalled",
                            "The following Plugin in current version are already installed:"),
                    alreadyInstalled.toString(), 400);
        }

        if (notCompatiblePlugins.length() > 0) {
            showInfoTextMessage(
                    mLocalizer.msg("update.noTVBPlugin", "This following files are not TV-Browser Plugins:"),
                    notCompatiblePlugins.toString(), 400);
        }

        if (tmpFile.length() > 0) {
            java.net.URL url = tmpFile.toURI().toURL();
            SoftwareUpdater softwareUpdater = new SoftwareUpdater(url, false, true);
            mSoftwareUpdateItems = softwareUpdater.getAvailableSoftwareUpdateItems();
            dtde.dropComplete(true);

            SoftwareUpdateDlg updateDlg = new SoftwareUpdateDlg(this, false, mSoftwareUpdateItems);
            updateDlg.setVisible(true);
        } else {
            dtde.rejectDrop();
            dtde.dropComplete(false);
        }

        if (!tmpFile.delete()) {
            tmpFile.deleteOnExit();
        }
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}